
Last updated 2026-07-09
TL;DR
The top AAC apps for iPhone include Proloquo2Go, TouchChat HD, Snap Core First, CommunicoTot, and GoTalk NOW, with prices ranging from free trials to around $250 as a one-time purchase. The right choice depends on your child's motor ability, language level, and whether your SLP already knows a particular system well. Most offer free trials, so it's worth testing before you spend anything.
What actually counts as an AAC app?
AAC stands for augmentative and alternative communication, and it covers anything that supplements or replaces speech: picture boards, speech-generating devices, and increasingly, apps on a phone or tablet that talk out loud. The American Speech-Language-Hearing Association defines AAC as "all forms of communication (other than oral speech) that are used to express thoughts, needs, wants, and ideas" [1]. That definition covers a symbol board you print at home just as much as a $300 app on an iPhone.
What separates a real AAC app from a basic picture PDF is voice output. When a child taps a symbol or types a letter, the app says the word out loud, which gives the child a model of how the word sounds and lets other people understand the message without leaning over a screen to read it. Conversation keeps moving the way it's supposed to.
Not everything marketed as "AAC" on the App Store holds up. Some are little more than flashcard apps with no real generative vocabulary underneath. The apps SLPs actually prescribe for kids with complex communication needs tend to share a few things: a large core vocabulary (the 50 to 200 words that make up roughly 80% of daily speech), the ability to build new sentences rather than just play back canned phrases, symbol sets you can customize, and voice output that holds up under daily wear. Skip any one of those and you've got a supplement, not a full communication system.
Choosing an iPhone over a dedicated speech-generating device has real trade-offs. iPhones are thin, portable, and already in a lot of homes, but they also run FaceTime and games, so they're competing for attention on a device your child needs available every waking hour. Some families solve this by buying an older iPhone just for AAC and locking it down with Apple's Guided Access feature, which costs far less than a dedicated device, often $8,000 or more when funded through insurance or Medicaid.
Which apps do SLPs actually recommend?
There's no single "best" app, but a handful dominate clinical practice in the US, and knowing what each does well can save you weeks of guessing.
Proloquo2Go (AssistiveWare) is probably the most prescribed AAC app in North America. It uses the SymbolStix library, supports both symbol-based and text-based communication, and has a research base going back to its 2009 release [2]. The vocabulary is built around a core-word model and it costs around $249.99 as a one-time purchase on the App Store. AssistiveWare also makes Proloquo, a text-based version for older users or emerging readers.
TouchChat HD with WordPower pairs the TouchChat app with the WordPower vocabulary system designed by SLP Nancy Inman. WordPower is word-based rather than purely symbol-based, which some users find faster for building sentences. TouchChat HD runs around $149.99, with the WordPower vocabulary files sold separately.
Snap Core First (Tobii Dynavox) is built around the SNAP symbol set and a core-word curriculum. It's well known in schools, largely because Tobii Dynavox has long-standing relationships with school districts. Pricing is subscription-based, around $35 a month or roughly $300 a year, so the math works differently than a one-time purchase.
GoTalk NOW (Attainment Company) is simpler and cheaper, at around $14.99. It isn't a full communication system, but it works well for low-tech scenes and as a gentle entry point for beginning communicators.
CommunicoTot and LetMeTalk are free or nearly free and use open symbol libraries like ARASAAC. LetMeTalk is especially popular in the autism community in Europe, though it has less of a footprint in US clinical practice.
Cough Drop is an open-source, browser-based tool that also has an iOS app. It's free for basic use, and some families lean on it while waiting for funding approval on a pricier option.
Here's the honest part: how well your SLP knows the app matters as much as what the app can do. A therapist who knows Proloquo2Go inside out will build a better board for your child than one who's learning the interface alongside you. Ask your child's therapist what they're actually trained in before buying anything, and if you're still looking for someone with AAC experience, this guide to finding a speech therapist can help.
What do these apps cost?
Families ask about cost more than almost anything else, and the honest answer is the range is huge: free apps on one end, an $8,000 dedicated device on the other. Most people land somewhere in the middle.
| App | Pricing model | Approximate cost |
|---|---|---|
| Proloquo2Go | One-time purchase | ~$249.99 |
| TouchChat HD | One-time (app) + vocab add-ons | ~$149.99 + extras |
| Snap Core First | Subscription | ~$35/month or ~$300/year |
| GoTalk NOW | One-time | ~$14.99 |
| CommunicoTot | Free / freemium | $0 to ~$9.99 |
| LetMeTalk | Free (Android primary; iOS limited) | $0 |
| Cough Drop | Free basic, paid team plans | $0 to ~$15/month |
For most families, the device costs more than the app. A current iPhone 15 starts at $799, though a refurbished iPhone SE (2nd generation) can run under $200 and handles the major AAC apps just fine. Some school districts loan out iPads or iPhones already loaded with AAC software, so it's worth asking your district's special education coordinator whether they run an assistive technology lending program. If your child is under 3, early intervention services sometimes provide a device directly through the IFSP process.
Insurance is its own maze. Medicaid tends to cover dedicated speech-generating devices but is inconsistent about apps on a regular phone or tablet, and private insurance varies plan to plan. What actually helps is a letter of medical necessity from an SLP, ideally backed by a formal AAC evaluation. ASHA has guidance on AAC funding documentation your SLP can reference [1].
Worth knowing if your child's school is weighing Proloquo2Go or TouchChat: Apple's Volume Purchase Program lets schools buy AAC apps at a discount for institutional use.
How do you pick the right one?
Start with whether your child can physically hit the buttons, not with vocabulary or symbol style. A child with limited fine motor control needs large, well-spaced targets and possibly switch access, which Proloquo2Go, TouchChat, and Snap Core First all support. If your child points reliably, smaller grids work fine. Kids just starting out with picture selection often do better with GoTalk NOW or a simple scene-based app.
Vocabulary depth should match where your child is now, not where you hope they'll be next year. A beginning communicator might start with 12 to 20 core symbols on a single page. Someone with emerging language needs hundreds of words sorted into categories, plus the ability to string them together. A child moving toward full literacy needs a text option, or at least a keyboard built into the same app. Proloquo2Go handles this progression well, letting you move between levels so you're not forced to switch apps as your child grows.
Symbol style is easy to overlook but it changes everything for some kids. A child who relies on photographs will find abstract line drawings confusing, and PCS (Picture Communication Symbols), SymbolStix, and ARASAAC symbols each look noticeably different from one another. Some kids need high-contrast icons; others need realistic photos of real objects and people. Most apps let you swap symbols or upload your own photos, so this is fixable, and your SLP can help you set it up properly.
Diagnosis and language level shape the decision too. Children with childhood apraxia of speech sometimes use AAC alongside verbal speech rather than instead of it, since the device supports motor planning by giving a visual and auditory model to work from. Kids on the autism spectrum with limited speech often need a core-word system they can rely on full-time, and autism spectrum speech therapy goes into more detail on how AAC fits into the bigger therapy picture.
Don't sort this out alone. Start with an AAC evaluation from an SLP or assistive technology specialist. ASHA recommends that the decision be made by a team that includes the family, the SLP, and an OT when motor access is a concern [1]. Many children who need AAC can get this evaluation through their school's special education process at no cost to the family.
Free and clinically strong don't usually go together in AAC, but a handful of free options genuinely hold up. Cough Drop is the most feature-complete of them: it's open-source, web-based, and has an iOS app, and boards can be shared between therapists and families, which is a real advantage. The symbol library leans on ARASAAC, which is solid, though the interface is less polished than Proloquo2Go. Plenty of families use it successfully while waiting on insurance approval for a funded device.
LetMeTalk started on Android, and the iOS version gets fewer updates, but it still works well. It uses ARASAAC symbols and supports sentence building, so it's a good fit for families who need something functional right now rather than later. CommunicoTot offers a free tier with a reduced symbol set, built for young children with a very simple interface, and it's worth downloading just to see whether the symbol style clicks with your child before you spend money on a paid app.
Most paid apps also offer free trials or lite versions. Proloquo2Go has a free companion app called Proloquo for iPad that lets you explore the interface, and TouchChat has a demo mode. It's worth downloading both: a 20-minute trial watching how your child interacts with the grid layout tells you more than any review will.
Here's the honest take: if your child genuinely needs AAC as their primary way of communicating, a free app is a bridge, not a destination. The vocabulary organization and clinical programming tools in Proloquo2Go or Snap Core First are meaningfully better, so it's worth doing what you can to get the stronger tool funded.
Will an AAC app hold speech back?
No, and it often supports speech instead. A widely cited systematic review by Millar, Light, and Schlosser found that AAC intervention did not impede speech production in any of the studies reviewed, and produced gains in speech for the majority of participants [3]. The American Academy of Pediatrics has affirmed that children should not be withheld from AAC out of concern that it will reduce motivation to speak [4].
The worry that giving a child a device will make them stop trying to talk is understandable, but it doesn't hold up. Communication is the goal, not any particular modality. When a child has a reliable way to express needs and thoughts, frustration goes down, interaction goes up, and speech often follows. A child who is communicating successfully is practicing the same social and cognitive patterns that language depends on.
AAC isn't a substitute for therapy, though. It works best alongside active speech therapy, not in place of it. One of the most useful things a parent can do at home is modeling: using the AAC app yourself during play and daily routines, tapping the symbols as you talk without requiring your child to imitate. SLPs call this aided language stimulation, or AAC modeling. Over time, the child learns the device is something to use, not something to be tested on.
If your child has echolalia, a pattern common in autism and other conditions, AAC can help turn that repetition into more functional communication, which echolalia meaning covers in more detail.
Setting up an AAC app on iPhone
There are really two jobs here: getting the phone itself ready, and getting the vocabulary right. Most parents handle the first part fine and underestimate how much the second one matters.
Start with Guided Access (Settings > Accessibility > Guided Access). It locks the iPhone into a single app so your child can't accidentally swipe out of the communication app mid-conversation. Set a passcode your child doesn't know, and that's it: five minutes of setup that saves a lot of frustration later.
From there, adjust screen brightness to suit wherever your child uses the device most. Plenty of AAC users have sensory sensitivities, and a screen that's too bright will make a child avoid it. Check the speaker volume too, since it needs to hold up in a noisy classroom or therapy room. Some families add an external Bluetooth speaker when the built-in volume isn't enough.
Now the part that actually takes thought: vocabulary. Most apps arrive with a default set that has nothing to do with your child specifically. A default Proloquo2Go installation, for instance, might have hundreds of symbols your child will never touch, while missing the exact words your family uses at home. Your SLP should handle the initial programming, but the priority is a small, motivating core: the 20 to 30 words your child already says or tries to say most, plus function words like "more," "stop," "help," "I want," and "no." Add more vocabulary only once your child has clearly mastered what's there, rather than loading everything up front.
Personalized photos help too. A picture of your child's actual dog means more than a generic SymbolStix dog, and most AAC apps let you swap in a camera roll photo for any symbol.
The last piece, and arguably the one that matters most, is keeping the device around. An AAC device sitting in a backpack isn't doing anyone any good. Mount it to a wheelchair, leave it on the table, bring it to meals and outings. Research on AAC uptake keeps pointing to the same thing: access and opportunity are the real barriers to success, not whether the child is capable of using the system.
What about a child who has some words but isn't nonverbal?
AAC still makes sense here, and this is one area where research and clinical experience line up cleanly. Having some speech doesn't rule AAC out. ASHA is explicit that there's no prerequisite for AAC candidacy: no minimum cognitive or language level a child has to reach before AAC can help [1]. That's been the clinical consensus for over a decade now.
For a child who already says some words, AAC often works as a scaffold rather than a replacement. A child might say "want" out loud while tapping the symbol at the same time, reinforcing the motor pattern and the sound together. Some kids build full sentences on the device but use spoken words for quick single-word requests, switching between the two depending on what works faster in the moment. That's not something to correct. Getting the message across is the goal, not sticking to one method.
Apraxia of speech shows why this matters. Verbal speech is still the target, but the motor planning problems at the core of apraxia make getting there slow. AAC gives the child a reliable way to communicate right now while therapy works on the motor patterns needed for speech. The National Institute on Deafness and Other Communication Disorders backs this kind of multimodal approach [5].
If your child is minimally verbal and hasn't tried AAC yet, ask your SLP about a trial run with a core-word app. Many families notice a real shift in how their child attempts to communicate after just two weeks of consistent modeling.
Some families also bring in AI-assisted speech companion apps alongside AAC. Little Words, for instance, is built for neurodivergent kids and can add extra language exposure during everyday routines, working alongside a formal AAC system rather than replacing it. Taking the quiz at littlewords.ai/start is a quick way to see whether it would fit your family.
What does Medicare or Medicaid cover for AAC apps on iPhone?
Medicare covers speech-generating devices as durable medical equipment under Part B, but only when a physician prescribes the device and deems it medically necessary. Here's the catch: that coverage is written for dedicated devices, not apps running on a multi-purpose gadget like an iPhone [6]. That policy has frustrated AAC advocates for years, and it hasn't changed.
Medicaid works differently depending on where you live. Some state programs will cover an AAC app on an iPad or iPhone, but usually only if the device is dedicated solely to AAC use. Getting there normally means a physician's order plus a detailed letter of medical necessity from an SLP who has done a full AAC evaluation. Since rules shift so much from state to state, your best bet is calling your state Medicaid office directly or finding an assistive technology specialist who already knows the local policies.
Private insurance is even less predictable. Some plans treat AAC devices as durable medical equipment and cover them; others simply exclude consumer electronics, full stop. A lot of these fights come down to how the device gets classified on paper and how convincing the letter of medical necessity is.
School funding runs on a completely different track from medical insurance. Under IDEA, school districts have to provide assistive technology, AAC devices included, whenever the IEP team decides it's necessary for the child to get a free appropriate public education [7]. The school technically owns the device, though the child can usually bring it home. For school-age kids, this route often gets a device in hand faster than anything else.
Younger children aren't left out either. For kids under 3, early intervention under IDEA's Part C can fund or loan out AAC devices as part of an IFSP, so it's worth asking your early intervention coordinator specifically about assistive technology options.
As for how phone apps stack up against dedicated hardware: devices like Tobii Dynavox and PRC-Saltillo units are built specifically for communication, and it shows. They hold up to daily wear better, they're louder, the battery lasts longer under heavy use, and the price includes professional setup and ongoing support. That price is steep, though: typically $6,000 to $10,000 before insurance.
An iPhone running Proloquo2Go comes in under $1,100 for the device and app combined, produces the same vocabulary, and slips into a pocket. For a lot of families, particularly those with younger kids still working through assessment, starting with an iPhone-based setup makes sense.
The real downsides are that phones are fragile (kids drop everything eventually), other people in the house want to use it too, and insurers or Medicaid often won't cover a consumer device. A sturdy case and a lanyard solve the fragility problem. Guided Access, plus a clear agreement about who gets the phone when, handles the competition for access. The funding issue is harder to work around and stays a real obstacle for some families.
Dedicated devices do win in one area: mounting. Wheelchair mounts, desk clamps, and body harnesses made for AAC hardware are easy to find, while iPhone mounting options exist but come from a much smaller market. If your child needs a mounted setup, talk to an OT about what's available before ruling out an iPhone.
Here's the honest take: the hardware brand isn't what drives communication progress. A well-built vocabulary system, thoughtful programming, consistent access, and adults who model language around the device matter far more than whether it says Apple or Tobii on the back. A carefully programmed Proloquo2Go setup on an iPhone, used every day with good modeling, will beat a poorly programmed dedicated device every time.
What actually gets kids using AAC
The biggest predictor of AAC success isn't which app you pick. It's whether the adults around the child use it too.
Aided language stimulation (also called AAC modeling or aided input) means the communication partner, whether that's a parent, therapist, or teacher, taps symbols on the device while speaking, rather than asking the child to do the tapping. You're demonstrating its use, not testing whether the child can perform it. Research on aided language input by Drager and colleagues found that consistent adult modeling significantly increased children's use of AAC devices compared to instruction without modeling [8]. You wouldn't teach a child to talk by handing them a book of words and walking away. You'd talk around them, constantly, until they talked back. AAC works the same way.
The second thing that matters: don't demand performance. Pointing to the device and asking "what do you want?" or "use your words" every time the child tries to communicate creates pressure, and most AAC learners shut down under it. Comment using the device instead of quizzing them. Tap "look" when something interesting happens. Tap "that" and point at it. Tap "funny" when something makes everyone laugh. The device should be part of natural back-and-forth, not a test the child has to pass to get what they want.
Third, start with vocabulary that actually motivates your child. If they're obsessed with trains, add trains. If they love a specific YouTube show, add the characters. Motivation is what drives the interaction, and the interaction is where the learning happens.
For structured support at home between therapy sessions, some families use tools built for that specific gap. Little Words is an AI speech companion designed for neurodivergent kids that parents can build into everyday routines. It won't replace a formal AAC system or online speech therapy, but it gives families something concrete to do on the days when therapy isn't happening.
The families who report the biggest gains tend to treat the device the way they'd treat a hearing aid: it goes everywhere, it's never out of reach, and everyone in the house knows how to use it.
Frequently asked questions
What is the best AAC app for a 2-year-old on an iPhone?
GoTalk NOW or CommunicoTot tend to work best at this age because their grids stay simple and the symbols are large. Proloquo2Go can also work for very young beginners if you set it up with a small core board. The app matters less than you'd think, though. What actually moves the needle at this age is how much the adults around the child model the device. Many early intervention SLPs recommend a formal AAC evaluation before you settle on any one system.
Can a nonverbal autistic child use an iPhone AAC app?
Yes, and this is common practice. ASHA's position is that there's no minimum language or cognitive level a child needs to reach before AAC becomes appropriate. Proloquo2Go and Snap Core First both have extensive evidence bases for autistic users. Get an SLP with AAC experience to guide the selection and setup, but the iPhone itself is a good fit for this population.
Is Proloquo2Go worth the $250 price tag?
If your child needs a full-vocabulary AAC system, yes. Proloquo2Go has been in clinical use since 2009, has a large research base behind it, and SLPs across the US are trained on it. If cost is what's holding you back, AssistiveWare offers a monthly payment option. If your child just needs a basic communication supplement rather than a full system, try GoTalk NOW or a free option like Cough Drop first.
Will my child's school provide an AAC app or device?
Possibly. Under IDEA, school districts have to provide assistive technology, including AAC devices, if the IEP team decides it's necessary. The school owns the device, but kids can often bring it home. Ask for an assistive technology evaluation during the IEP process. For children under 3, early intervention programs under IDEA Part C may fund devices through the IFSP instead.
Does Medicare or Medicaid pay for AAC apps on an iPhone?
Medicare doesn't currently cover AAC apps on multi-purpose consumer devices like iPhones, only dedicated speech-generating devices. Medicaid rules vary by state, and some states do cover iPhone-based AAC under specific conditions. Whether private insurance pays depends heavily on your plan and how the letter of medical necessity is written, so it's worth working with an SLP who has AAC funding experience to handle that paperwork.
How do I lock an iPhone so my child can only access the AAC app?
Use Apple's Guided Access feature: go to Settings, then Accessibility, then Guided Access, and turn it on with a passcode set. Open the AAC app, triple-click the side button, and start a session. The phone stays locked in that app until you triple-click again and enter the passcode. This stops accidental exits and keeps the device ready for communication all day.
What is the difference between a core vocabulary and a fringe vocabulary in AAC?
Core vocabulary is the small set of words, usually 200 to 400, that cover most of what people say in any situation: words like "want," "more," "stop," "go," "that." Fringe vocabulary is topic-specific: the names of a child's toys, foods, or family members. Good AAC apps organize both. Start with the core words, then add fringe vocabulary as the child's interests and daily life call for it.
How long does it take a child to learn to use an AAC app?
There's no standard timeline, and anyone who gives you an exact number is guessing. Some children start selecting symbols on purpose within weeks. Others need months of steady modeling before they initiate on their own. The clearest predictor isn't the child, it's the adults: daily modeling during ordinary routines gets faster results than weekly therapy sessions with nothing happening at home in between.
Can AAC apps work for children with motor difficulties or limited hand control?
Yes. Most major AAC apps, including Proloquo2Go, Snap Core First, and TouchChat, support switch access, which lets a child navigate with a single button press instead of touching the screen directly. Grid size can be adjusted too. An occupational therapist should weigh in on motor access decisions alongside the SLP, and Apple's built-in Switch Control feature in iOS adds further access options at the operating system level.
Are there AAC apps specifically designed for children with apraxia of speech?
No app is built exclusively for apraxia, but AAC apps are widely used alongside apraxia-focused speech therapy, Proloquo2Go and TouchChat among them. The AAC system gives the child a reliable way to communicate while therapy works on motor speech planning. The Childhood Apraxia of Speech Association has published guidance on folding AAC into apraxia treatment.
What's the difference between Proloquo2Go and Snap Core First?
Both are full AAC apps used in clinical settings. Proloquo2Go uses SymbolStix symbols and is a one-time purchase around $250. Snap Core First uses SNAP symbols and runs on a subscription, roughly $300 a year. Snap Core First shows up more in schools thanks to Tobii Dynavox's institutional relationships, while Proloquo2Go tends to be more common in private practice and at home. Ask your SLP which one they know best, since that familiarity matters more than the spec sheet.
Is an AAC app a replacement for speech therapy?
No. An AAC app is a tool. Speech therapy addresses the underlying language, motor, and social communication development that the tool is there to support. ASHA is clear that AAC works best as part of a broader intervention plan led by an SLP. The families who see the biggest gains use the device consistently both at home and in therapy, with the SLP guiding vocabulary programming and training the people who communicate with the child.
Can I use a secondhand iPhone for an AAC app?
Yes, and it's a genuinely smart way to save money. Most major AAC apps run on iPhones with iOS 15 or later. A refurbished iPhone SE 2nd generation costs under $200 and handles Proloquo2Go and TouchChat without any trouble. Buy it unlocked, factory reset it, and set up a new Apple ID. Pair it with Guided Access to lock it into AAC-only mode, and add a protective case, ideally one with a built-in handle or ring.
A common worry among parents is that giving a child an AAC device will make them less likely to talk. The research says otherwise: a systematic review by Millar, Light, & Schlosser (2006) found that AAC intervention didn't hold back speech production in any study reviewed, and most participants actually made gains in speech. The American Academy of Pediatrics backs this up too, stating plainly that children shouldn't be kept from AAC out of fear it will lower their motivation to talk.
It helps to know what AAC actually covers. ASHA defines it as any form of communication other than oral speech used to share thoughts, needs, wants, or ideas, and there's no minimum cognitive or language level a child needs to reach before it becomes an option. That matters for kids with apraxia of speech too: the NIDCD supports using multiple communication methods, AAC among them, alongside speech therapy, and Apraxia Kids has published clinical guidance on weaving AAC into treatment plans for these children specifically.
If you're comparing devices, the market splits into a few categories. Proloquo2Go, from AssistiveWare, has been around since 2009 and costs about $249.99 as a one-time purchase. Snap Core First, made by Tobii Dynavox, runs on a subscription instead, around $35 a month or $300 a year. On the hardware side, Medicare will cover dedicated speech-generating devices as durable medical equipment under Part B, though this doesn't extend to apps installed on regular multi-purpose tablets or phones. If your child gets services through school, IDEA requires districts to provide assistive technology, AAC devices included, whenever the IEP team decides it's necessary for a free appropriate public education.
One detail trips a lot of parents up: handing a child a device isn't enough on its own. Work by Drager and colleagues (2006) found that when adults consistently modeled the device themselves, a practice called aided language stimulation, children's use of AAC increased significantly compared to instruction without that modeling. The adults around a child need to use the device too, not just hand it over.
For families dealing with autism specifically, ASHA's evidence maps show moderate to strong evidence supporting aided AAC systems. And for those using iPhones as the device, Apple's Guided Access feature lets you lock the phone into a single app, which prevents accidental exits and has become a standard setup for AAC use on iPhones.
None of this replaces individual guidance from your child's speech-language pathologist, who can look at your child's specific needs and recommend the right path forward.