High tech AAC devices: what they are, what they cost, and how to choose

Last updated 2026-07-09

A high tech AAC device is any electronic system that helps someone communicate when speech alone isn't enough. AAC stands for augmentative and alternative communication, and it covers everything from simple picture boards to full voice-output computer systems. "High tech" just means the device runs on power and produces electronic output, usually synthesized or recorded speech.

ASHA defines AAC as "all of the ways we share our ideas and feelings without talking," and high tech devices sit at the most feature-rich end of that spectrum ^[1]. They can store thousands of vocabulary words, speak in natural-sounding voices, and adapt to a user's motor abilities through touch, eye gaze, or switch scanning.

On the other end of the spectrum are low tech options like paper boards, PECS binders, and alphabet charts, which cost almost nothing, need no batteries, and never crash. High tech devices do things paper can't: speak aloud in a crowded room, hold complex phrases, and grow with the user over time. Most kids who use AAC end up using both, switching depending on the situation. If you're new to this whole area, the broader piece on AAC devices is a good place to start before coming back to this one.

The main types, and how they differ

There are three broad categories, and knowing them upfront saves you from expensive wrong turns.

Dedicated speech-generating devices (SGDs) are purpose-built computers with one job: communication. Brands like Tobii Dynavox, PRC-Saltillo, and Lingraphica make the most widely prescribed models. They're ruggedized, spill-resistant, and built for full-day use, and many qualify for Medicaid or insurance coverage as durable medical equipment (DME). The tradeoff is price, typically $5,000 to $12,000 before insurance ^[2].

App-based AAC runs on a consumer tablet. Apps like Proloquo2Go, TouchChat, LAMP Words for Life, and Snap Core First cost $150 to $350, and the tablet adds another $300 to $800. The total is far lower than a dedicated device, which is why many families start here. The catch is durability (a dropped iPad is just a dropped iPad) and the fact that some insurers won't cover consumer hardware as DME.

Eye-gaze and alternative-access systems serve children with significant motor involvement who can't reliably touch a screen. These track where the user is looking and select symbols or letters accordingly. Tobii's eye-tracking hardware is the most prescribed in the United States, and these systems are almost always dedicated devices at the higher end of the cost range.

Within any of these three categories, the software itself can be built around different vocabulary frameworks:

No framework wins across the board. A child with apraxia of speech may do best with motor-planning layouts like LAMP, since consistent motor patterns can support speech development alongside device use ^[3]. A child who already reads may thrive with spelling-based access instead. This is exactly the kind of call a speech-language pathologist should make, not a device vendor.

What these devices actually cost

Cost is usually the first question parents ask, and the honest answer is that it varies enormously.

These figures reflect 2024 to 2025 retail pricing reported by device manufacturers and corroborated by Medicaid funding documentation ^[2][4].

Here's the part that actually matters: most families with documented medical necessity don't pay list price. Medicaid covers dedicated SGDs in all 50 states under the durable medical equipment benefit, often at 100% for medically necessary devices once an SLP has done an evaluation ^[4]. Private insurance coverage varies a lot by plan, but the Affordable Care Act's essential health benefits rules push many plans toward covering SGDs classified as DME.

App-based systems are trickier to fund, since Medicaid generally won't pay for a consumer tablet as DME. Some families buy the app themselves and ask for reimbursement only on the mount, case, or stylus. Others turn to nonprofit funding sources like the United Healthcare Children's Foundation or the AAC Institute while insurance decisions are pending.

Worth knowing: the $8,000 to $12,000 retail price on dedicated devices is largely a negotiated starting point between manufacturers and payers. If you're paying out of pocket, call the manufacturer directly. Most offer hardship pricing or loan programs.

Does your child need high tech, or will low tech do?

This isn't a straightforward answer, and anyone who tells you otherwise is selling something.

Low tech options (picture boards, PECS books, alphabet charts, communication wallets) work for a huge range of communicators. They're portable, never run out of battery, and can be made for under $20. Research consistently shows that low tech and high tech AAC aren't competitors; most strong communicators use both depending on the situation ^[1].

Still, high tech devices do things paper can't. Synthesized voice output means a stranger in a grocery store can understand your child without learning a symbol system. Stored phrases let a child express a complex thought faster than pointing through a binder. Dynamic displays hold thousands of words without any added bulk.

The real question isn't whether your child is "ready" for high tech AAC. It's whether these tools would meaningfully expand how they communicate right now. ASHA's position is that there's no prerequisite cognitive or language level required before introducing AAC; waiting for a child to be ready isn't supported by the evidence ^[1].

A high tech device tends to be worth pursuing when the child has enough intentional motor control to activate a touchscreen, switch, or gaze system, even if the movements are limited; when the family can commit to learning the device alongside the child; when voice output would add something meaningfully different from what the child produces vocally; or when low tech systems are being outgrown or falling short in key environments.

Children with childhood apraxia of speech or significant autism spectrum communication challenges are among the most common candidates, though AAC isn't limited to any one diagnosis. An SLP who specializes in AAC is the right person to do the formal feature matching and figure out what fits your child best.

How does an AAC evaluation actually work?

An AAC evaluation is a specialized assessment done by a speech-language pathologist, ideally one with specific AAC training or certification. It's a different animal from a general speech-language evaluation.

The SLP will look at how the child currently communicates (vocalizations, gestures, eye contact), plus motor skills like hand and head control and visual tracking, cognitive and language skills, sensory needs, and the settings where the child actually needs to communicate. From there they run what's called "feature matching," lining up the child's profile against the features of different devices and access methods to find the best fit.

If you're seeking insurance or Medicaid funding, the evaluation needs a formal written report establishing medical necessity. That generally means showing the child has a communication impairment that significantly limits daily functioning, and that the device being requested is the least expensive option that still meets the child's needs. The Centers for Medicare and Medicaid Services (CMS) has published guidance on SGD coverage criteria ^[4].

Expect a trial period with one or more devices as part of the process. Many SLP practices and AAC manufacturers run loan programs, and companies like Tobii Dynavox and PRC-Saltillo offer short-term trials. Don't commit to a device your child hasn't actually tried.

If your child has an IEP, the school district may be required to conduct an AAC evaluation at no cost to the family under IDEA, provided the team agrees the child might benefit from AAC as a related service ^[5]. Keep in mind that school-provided devices are for educational use and stay at school, while a personally owned device obtained through insurance travels everywhere with your child. Plenty of families end up pursuing both routes at once.

To find a qualified SLP, ASHA's Find a Professional directory lets you filter by specialty area, including AAC ^[1]. If you want more background on choosing and working with a specialist, our speech therapy article covers that in more depth.

Can insurance or Medicaid pay for a high tech AAC device?

Yes, and this is one of the more important things for families to understand going in.

Medicaid covers speech-generating devices in all 50 states. CMS published clarifying guidance in 2001 confirming that SGDs qualify as covered durable medical equipment when a physician or licensed healthcare provider documents medical necessity ^[4]. Coverage typically runs 100% of allowable cost after a qualifying evaluation. The paperwork is a real burden, but the coverage is there.

Private insurance is a mixed bag. Under the ACA, plans on the individual and small group markets must cover "habilitative services" as essential health benefits, and SGDs often fall under durable medical equipment or rehabilitation technology benefits, though exact coverage depends on plan language. Many families get an initial denial and then win on appeal, especially when the SLP submits a strong letter of medical necessity backed by functional impact documentation.

For children under 21 on Medicaid, the Early and Periodic Screening, Diagnostic and Treatment (EPSDT) benefit often matters most. EPSDT requires states to cover any medically necessary service for children under 21, even if the state's Medicaid plan doesn't otherwise cover it ^[6]. This is frequently the funding path for kids whose standard Medicaid SGD benefit has gaps.

If you don't qualify for Medicaid and your private insurance falls short, there are nonprofit routes worth exploring: the AAC Institute (aacInstitute.org), the United Healthcare Children's Foundation, Variety the Children's Charity, and state assistive technology programs (every state has one under the AT Act of 2004 ^[7]). These AT Act programs often offer low-interest loans, device lending libraries for trials, and reuse programs where you can pick up a donated SGD at little or no cost ^[7].

What are the most widely used high tech AAC device brands and apps?

A handful of companies dominate the AAC market, and knowing who they are helps you ask sharper questions during an evaluation.

Tobii Dynavox is the largest AAC company in the world following Tobii's acquisition of Dynavox. Their lineup ranges from the Snap Core First app (on iPads and Windows tablets) to dedicated hardware like the TD Snap and I-Series eye-gaze systems, and it's the most commonly prescribed SGD brand in the United States according to AAC funding data ^[2].

PRC-Saltillo, formerly Prentke Romich Company, makes the Unity vocabulary system and the LAMP Words for Life app, along with the Accent hardware series. It's closely associated with motor-planning AAC approaches and gets recommended often for apraxia of speech.

Lingraphica focuses mostly on adults recovering from aphasia or stroke, with devices like TouchTalk and AllTalk. It's worth knowing about for families with teenagers aging out of pediatric systems, or adults looking into speech therapy options.

AssistiveWare makes Proloquo2Go and Proloquo4Text, both for iPad. Proloquo2Go is the most widely used AAC app globally and has the largest research base among app-based systems, though it's iOS only.

Saltillo / Metacom makes TouchChat HD with WordPower, another widely prescribed app available on both iOS and Android.

Beyond these major players, there are dozens of smaller apps. Some parents ask about free options: Cboard and CommunicoTe are free or low-cost grid-based apps with smaller vocabulary sets. They're fine for early exploration but generally not enough to support a full-time AAC user.

How long does it take for a child to learn to use a high tech AAC device?

Device vendors tend to gloss over this question, and SLPs tend to be the most honest source on it.

Learning AAC isn't like learning to use an app. It's learning a language. Most researchers who study AAC acquisition compare it to first language learning in typically developing kids: it takes time, steady exposure, and a communication partner who models the language regularly ^[3].

The single most important practice in AAC intervention is "aided language input," or modeling, where a parent, SLP, or teacher uses the device themselves while talking to the child. The child watches someone communicate fluently with the system and picks it up through observation and interaction rather than drills. It sounds simple, but it's actually a serious commitment that takes training and daily repetition to do well.

There's no clean data on average acquisition timelines, because it varies so much by the child's age, other disabilities present, how much modeling happens at home, and whether the chosen vocabulary actually fits the child. What the research does show is that children who get steady modeling from caregivers make faster progress, while restricting AAC use to therapy sessions only slows things down ^[3].

Plan on a minimum of three to six months before a new device user is communicating flexibly and independently. Some children take a year or two. Others, especially older adopters or those with significant cognitive disabilities, may always need real support from a communication partner, and that doesn't mean the device isn't working. It just means AAC is a relationship, not a product. Starting early tends to help too: children who begin AAC younger generally build larger vocabularies and become more independent communicators over time.

Does using AAC stop a child from learning to talk?

No, and this might be the most persistent myth in AAC. The evidence flatly contradicts it.

A 2006 meta-analysis by Millar, Light, and Schlosser examined 23 studies of AAC intervention and found that in 89% of participants, speech either increased or stayed the same after AAC was introduced ^[8]. Not a single study in the analysis showed meaningful speech reduction following AAC introduction. As the authors put it, their findings "provided strong evidence that AAC interventions do not impede speech production" ^[8].

The fear that giving a child a device will make them "lazy" about speaking comes from a reasonable-sounding intuition that just doesn't hold up. Communication is communication: more of it in any form tends to support more of it in every form. Kids who have a reliable way to be understood get less frustrated, stay more motivated to interact, and are often more willing to attempt speech themselves.

For children with childhood apraxia of speech specifically, certain AAC systems (particularly those built on motor-planning frameworks like LAMP) may actively support speech development by pairing consistent articulatory models with symbol selection. Researchers are still actively studying this.

The American Academy of Pediatrics recommends that children with communication delays get referred for evaluation, and that AAC be considered as part of early intervention rather than held back until speech fails ^[9].

What should parents look for when choosing between high tech AAC devices?

An SLP does this kind of feature-matching formally, but you can start working through it yourself by asking a few key questions.

Start with access. How does your child physically interact with the world? A child with reliable finger pointing can use direct touch, while a child with limited hand control might need a keyguard (a plastic overlay with holes over each button), switch scanning, or eye gaze. This one factor alone narrows the device list dramatically.

Next comes the vocabulary framework. Does your child learn better through pictures or words? Does their SLP have a strong view on motor-planning versus grid-based organization? Whatever you land on shapes how much practice the whole family ends up doing together.

Then think about durability for real life. Dedicated devices are built to survive drops and moisture. iPads in protective cases (Otterbox Defender, Heckbo cases) hold up reasonably well but aren't quite equivalent. If your child throws things, test the case before you commit to anything.

Voice quality matters more than people expect, since your child will use this voice for years. Listen carefully to what's available; many devices offer multiple options, and Acapela and Nuance Vocalizer are voice engines you'll see across several brands.

Consider the growth ceiling too. A device that works for a four-year-old should still work at fourteen. Ask how many vocabulary words the system can store and how that vocabulary gets reorganized as complexity grows.

Finally, look at family and school adoption. The best device in the world fails if nobody around the child knows how to use it, so ask whether the device maker offers training for families and teachers, and whether there's a local consultant nearby.

If you're supplementing therapy at home, tools like Little Words can help you practice modeling language in everyday moments between sessions. It won't replace a dedicated AAC evaluation, but consistent daily exposure matters, and home-based tools fill real gaps.

How is a high tech AAC device different from a tablet or speech app?

Fair question, since the line has blurred a lot over the last decade. Ten years ago the answer was simple: dedicated SGDs were specialized hardware, tablets were consumer entertainment devices, and there wasn't much overlap. Now apps like Proloquo2Go run on standard iPads and produce output that's functionally equivalent to many dedicated devices.

The real differences today come down to a handful of things. Dedicated SGDs are built to survive a school day, with rubberized housing, reinforced screens, and built-in handles, and there's no YouTube app sitting there waiting to distract a child. Funding classification also matters: CMS and most insurers will fund a dedicated SGD as durable medical equipment, but they generally won't fund a consumer iPad that way, though some states have Medicaid waiver programs that cover the tablet itself. Mounting hardware tends to connect more cleanly to dedicated devices too, whether that's wheelchair mounts, adjustable arms, or switch access, though tablet mounting has gotten better. And a dedicated device does one thing: communication. That matters in school settings, where a tablet might get taken away for non-AAC use, or where a child's access to their voice shouldn't hinge on whether parental controls were set up correctly. For many families, the practical path looks like this: start with an app on a tablet, show success and medical necessity, then pursue insurance funding for a dedicated device if it works out. That's not the only route, but it's the most common one.

What role does an SLP play after the device is set up?

Getting the device is the beginning, not the finish line. An SLP with AAC expertise should program the vocabulary to match the child's communication environments, train caregivers and teachers in aided language input, monitor progress and adjust vocabulary as needs change, and troubleshoot access issues as motor skills develop.

Many families run into a real problem here: their child's school SLP or private therapist has solid general training but limited AAC-specific experience. That's common, and it's not a knock on the clinician; AAC is a subspecialty. If you sense your SLP is learning alongside your child, ask directly whether they have AAC-specific training and whether a co-consult with an AAC specialist makes sense. Most good clinicians welcome that question rather than bristle at it.

For children in school, the IEP team should build in AAC goals if the device is part of the educational plan, and those goals need to be specific and measurable, not "will use device to communicate" but something like "will use device to make requests across three different environments with 80% accuracy."

Online speech therapy has opened up AAC access for families in rural areas or anywhere local AAC specialists are scarce, since more of these platforms now include SLPs with AAC certification who can run device trials over video and support families remotely.

The research on caregiver-implemented AAC intervention holds up well. A study by Kashinath, Woods, and Goldstein found that parents trained in milieu teaching strategies significantly increased their children's use of AAC in natural environments ^[12]. Parent training isn't optional here. It's the mechanism that makes generalization happen.

Frequently asked questions

What is the difference between high tech and low tech AAC devices?

Low tech AAC (picture boards, PECS binders, alphabet charts) needs no power, costs very little, and never breaks down. High tech AAC is electronic: it produces voice output, stores large vocabularies, and can be set up for touch, switch, or eye gaze access. Most experienced AAC users rely on both depending on the situation. Low tech isn't a lesser option; it works alongside high tech, not beneath it.

What's the most common high tech AAC device for children with autism?

There's no single answer, since the right device depends on the child's motor skills, vocabulary needs, and learning style. That said, Proloquo2Go on iPad and Tobii Dynavox's Snap Core First are among the most frequently prescribed for autistic children in the United States. An AAC evaluation by an SLP is really the only reliable way to find the best fit for a specific child.

At what age can a child start using a high tech AAC device?

There's no minimum age. ASHA's position is that no prerequisite cognitive or language skills are required before introducing AAC, and children as young as 12 to 18 months have started on AAC systems once communication delays are identified. Earlier introduction generally leads to better long-term outcomes, so if a pediatrician or SLP brings up AAC, waiting isn't the answer.

Will insurance cover a high tech AAC device for my child?

Medicaid covers dedicated speech-generating devices in all 50 states when a physician documents medical necessity and an SLP evaluation backs up the request. Private insurance varies by plan, but many cover SGDs as durable medical equipment under the ACA's essential health benefits. App-based systems on consumer tablets are harder to get funded through insurance; dedicated hardware has a cleaner path to coverage.

How do I get an AAC evaluation for my child?

Ask your child's pediatrician for a referral to an SLP with AAC expertise, or search ASHA's Find a Professional directory and filter for AAC as a specialty. If your child has an IEP, you can request an AAC evaluation through the school district at no cost under IDEA. Many device manufacturers also have regional consultants who can connect families with evaluators and set up trials.

Can a child use AAC and still learn to speak?

Yes. A 2006 meta-analysis of 23 studies found that 89% of AAC users showed speech that either increased or stayed the same after AAC was introduced, and none showed meaningful speech reduction. AAC doesn't get in the way of speech development; for many children, having a reliable way to communicate cuts down frustration and actually increases motivation to attempt speech.

What is a speech-generating device (SGD)?

A speech-generating device is dedicated electronic AAC hardware built specifically to produce voice output for communication, as opposed to a consumer tablet running an app. That distinction matters for funding: SGDs qualify as durable medical equipment for insurance and Medicaid purposes. Prices range from around $5,000 for touch-access devices up to $10,000 to $15,000 for eye-gaze systems, before insurance.

What is eye-gaze AAC and who is it for?

Eye-gaze AAC uses a camera and infrared sensors to track where someone is looking on the screen, letting them select symbols or letters without moving their hands. It's built for people with significant motor limitations who can't reliably touch a screen or operate a switch. Tobii is the leading manufacturer, and while eye-gaze systems are among the priciest AAC devices, Medicaid often covers them in full as medically necessary equipment.

What is LAMP and why do SLPs recommend it for apraxia?

LAMP stands for Language Acquisition through Motor Planning: an AAC approach where each word is always activated by the exact same motor pattern, building muscle memory for symbol selection. That mirrors how the brain organizes speech motor sequences, which is why SLPs often turn to LAMP-based apps like LAMP Words for Life for children with childhood apraxia of speech. Consistent motor patterns support both device use and the development of natural speech.

Can a school district provide a high tech AAC device?

Under IDEA, school districts must provide assistive technology, AAC devices included, if the IEP team decides it's necessary for the child to access their education. That said, school-provided devices are for educational use and typically stay at school, while personally owned devices obtained through Medicaid or private insurance go everywhere the child goes. Many families end up pursuing both at once.

How much does Proloquo2Go cost?

Proloquo2Go runs about $299.99 on the Apple App Store as of 2024, and it needs an iPad or iPhone, which adds $349 and up for current hardware. Some insurance plans will cover the app cost when it's part of a documented AAC plan, but most won't cover the iPad itself as durable medical equipment. AssistiveWare, the company behind the app, offers funding support resources on their site.

What funding sources help pay for AAC devices when insurance denies coverage?

Options include state assistive technology programs (every state has one under the AT Act of 2004), the AAC Institute, United Healthcare Children's Foundation, Variety the Children's Charity, and manufacturer hardship pricing. Medicaid's EPSDT benefit covers medically necessary devices for children under 21 even when standard plan coverage falls short, and many manufacturers also run refurbished or loaned device programs.

Does my child need to be nonverbal to qualify for an AAC device?

No. AAC is for anyone whose natural speech isn't meeting their communication needs across every environment, all the time. A child who can say some words but can't reliably make requests, answer questions, or communicate in noisy settings is still a candidate for an AAC evaluation. ASHA is explicit that AAC supplements speech rather than being reserved only for children who are completely nonverbal.

What's the difference between core vocabulary and fringe vocabulary on an AAC device?

Core vocabulary is a small set of high-frequency words (go, want, more, stop, I, you, help) that make up roughly 80% of what people say day to day. Fringe vocabulary is topic-specific: names, preferred foods, school subjects. Effective AAC systems organize both, keeping core words in a consistent spot for fast access and fringe words tucked into category folders. Most modern AAC apps are built around this structure.

Sources

1. ASHA, Augmentative and Alternative Communication (AAC) overview page: ASHA defines AAC as all of the ways we share our ideas and feelings without talking; there are no prerequisite cognitive or language skills required before introducing AAC
2. Tobii Dynavox, product pricing and device catalog: Dedicated SGDs typically range from $5,000 to over $10,000 before insurance; Tobii Dynavox is the most commonly prescribed SGD brand in the United States
3. Millar, D.C., Light, J.C., & Schlosser, R.W. (2006). The impact of augmentative and alternative communication intervention on the speech production of individuals with developmental disabilities. Journal of Speech, Language, and Hearing Research, 49(2), 248 to 264.: In 89% of AAC participants across 23 studies, speech either increased or stayed the same after AAC was introduced; findings provided strong evidence that AAC interventions do not impede speech production
4. CMS, Centers for Medicare and Medicaid Services, Speech Generating Devices coverage guidance: CMS confirmed that SGDs qualify as covered durable medical equipment under Medicaid when a physician documents medical necessity; coverage applies in all 50 states
5. U.S. Department of Education, IDEA Individuals with Disabilities Education Act: Under IDEA, school districts must provide assistive technology including AAC devices when the IEP team determines it is necessary for the child to access their education
6. CMS, Early and Periodic Screening, Diagnostic and Treatment (EPSDT) benefit overview: EPSDT requires states to cover any medically necessary service for children under 21 even if that service is not otherwise covered by the state Medicaid plan
7. Assistive Technology Act of 2004 and the Association of Assistive Technology Act Programs: Every state has an assistive technology program under the AT Act of 2004, often offering low-interest loans, device lending libraries, and device reuse programs
8. Millar, Light, & Schlosser (2006), Journal of Speech, Language, and Hearing Research (same as citation 3, specific quotation): Authors stated their findings 'provided strong evidence that AAC interventions do not impede speech production'
9. American Academy of Pediatrics, AAP guidance on early identification of language delays and referral to speech-language pathology: The AAP recommends that children with communication delays be referred for evaluation and that AAC be considered as part of early intervention, not held back until speech fails
10. AssistiveWare, Proloquo2Go product page and pricing: Proloquo2Go costs approximately $299.99 on the Apple App Store; it is the most widely used AAC app globally
11. Kashinath, S., Woods, J., & Goldstein, H. (2006). Enhancing generalized teaching strategy use in daily routines by parents of children with autism. Journal of Speech, Language, and Hearing Research, 49(3), 466 to 485.: Parents trained in milieu teaching strategies significantly increased their children's use of AAC in natural environments