Article

LittleWords vs an AAC Device: They're Not the Same Thing

Last month a mom named Priya in Austin emailed us a screenshot of her son's iPad home screen. Two apps sat side by side: Proloquo2Go and LittleWords. "I'm con

Last month a mom named Priya in Austin emailed us a screenshot of her son's iPad home screen. Two apps sat side by side: Proloquo2Go and LittleWords. "I'm confused," she wrote. "My SLP says Ravi needs AAC. My neighbor says this Buddy character is basically the same thing. Are they? Because if they are, I don't want to spend months fighting insurance." Her message was polite, but I could feel the frustration underneath. Ravi is four. He has about six spoken words. Every month he doesn't have reliable communication is a month he can't tell his parents what he wants for breakfast.

Priya's question deserves a blunt answer: they are not the same thing. Not even close. And the confusion between practice tools and communication systems is actively hurting families.

LittleWords is a speech-practice companion built around an AI character (Buddy) that a child interacts with for about ten minutes a day. An AAC device is a communication system a child uses to talk to the people in their life. Different categories. Different purposes. LittleWords is not AAC, is not a substitute for AAC, and is not appropriate as the primary communication tool for a non-speaking child. If your child needs AAC, get a real AAC system. LittleWords sits alongside, never replaces.

This article exists because the question keeps coming up, and the clarity matters.

What LittleWords Actually Does

LittleWords is an app with an AI character named Buddy. The child opens the app, has a short conversation or play session, and the app uses techniques (parallel talk, self-talk, expansion, expectant waiting) that mirror how a play-based speech-language pathologist works in session.

Buddy is designed for neurodivergent kids. The pacing is slower than typical kid apps. The character follows the child's lead. Interactions are play-based, not drill-based.

Sessions run about ten minutes. Daily or near-daily use is recommended. LittleWords is COPPA compliant. Voice data is not used to train external models.

Think of it like a batting cage for language. You go there to practice your swing. You do not play the actual game there.

What an AAC Device Actually Does

An AAC device is a communication system the child uses to communicate with the real people in their life. The child taps or selects symbols, the device speaks the words, and the conversation happens between the child and another human being, with the device as the medium.

Examples include:

AAC is funded through insurance, Medicaid, schools, or out of pocket. Selection requires an evaluation by an SLP trained in AAC. It's not something you pick based on app store reviews.

Here's the thing: a child who uses AAC needs it because they cannot reliably communicate without it. The device isn't a luxury or a nice-to-have. It's their voice.

The Line Between Practice and Communication

LittleWords: child talks to an AI character for practice. The other party is not a real person.

AAC: child talks to real people using a vocabulary system. The other party is the parent, sibling, friend, teacher, anyone.

These are different functions. A child using AAC needs it the way you need your mouth. A child using LittleWords is doing reps on emerging verbal speech. Confusing the two is like confusing a Rosetta Stone subscription with actually living in the country where you need the language to survive.

Yes, a Child Can Use Both

A child with AAC as their primary communication system can also use LittleWords as a daily practice tool for verbal speech that's emerging alongside the AAC.

In that case:

The two tools serve different purposes. They're not competing. A family can have both, the same way a child can have glasses for seeing and workbooks for reading practice. Neither one replaces the other.

Why We Won't Shut Up About This

The AAC community has been burned over and over by companies that overpromise. Apps that claim to "replace" AAC. Apps that frame verbal speech as the real goal and AAC as a temporary crutch. Apps that confuse families about whether their child needs real AAC or whether some practice tool will be enough.

We refuse to be one of those companies. I'll say it plainly: if your child is non-speaking or minimally verbal and you're wondering whether LittleWords is enough, the answer is no. Your child needs real AAC. Get an evaluation. Get the device. Use LittleWords later, if it fits, as a supplement for emerging verbal speech. But not as the primary communication tool. Not ever.

A child who needs AAC and doesn't get it because a family bought an app instead has lost months or years of communication access. That's not a hypothetical. It happens constantly. We will keep saying this until no one is confused.

Specific Scenarios (So There's No Wiggle Room)

Scenario A: Your toddler has fewer than ten words and you haven't pursued AAC yet. Your toddler needs an AAC evaluation. Call early intervention or an AAC-trained SLP. Start the AAC process now. LittleWords could enter the picture later as a supplement, but it is not the answer here.

Scenario B: Your child has AAC and is also developing some verbal speech. LittleWords could be a useful supplement for the verbal speech practice layer. The AAC stays for daily communication. Both tools, different jobs.

Scenario C: Your child is verbal with speech goals (articulation, vocabulary, functional language). LittleWords is in its primary use case. This child doesn't need AAC. LittleWords provides ten minutes of play-based practice on verbal speech goals.

Scenario D: Your child is autistic, verbal, and you want to support language development. LittleWords fits. AAC may not be needed. Use LittleWords as a daily practice tool alongside whatever other speech work the family is doing.

Scenario E: Your child uses AAC and is non-speaking. LittleWords is probably not the right tool. The child's communication is through AAC. A practice app for verbal speech is not the priority. Focus on AAC implementation, modeling, and rich communication contexts.

What We Built, and What We Deliberately Didn't

LittleWords is built for kids who have some verbal speech (or emerging verbal speech) and need a practice tool that:

That's the use case. Outside that use case, LittleWords may not be the right tool. We're telling you this because honest is the only way we want to operate.

We have not built LittleWords to be an AAC system, a replacement for a speech therapist, a substitute for human interaction, a diagnostic tool, a primary communication mode for non-speaking kids, or a "cure" for any condition.

If you see marketing from any company that blurs these lines, be skeptical. AAC is AAC. Therapy is therapy. Practice tools are practice tools. They are not interchangeable.

When to Talk to a Professional

If you're unsure whether your child needs AAC, an SLP trained in AAC can evaluate and recommend. Don't make the AAC decision based on apps. Make it based on a clinical evaluation.

If you already have AAC and you're wondering whether LittleWords fits as a supplement, the SLP who knows your child is the right person to advise.

FAQs

Will using LittleWords keep my child from learning AAC? No, but they shouldn't be substitutes for each other. If AAC is appropriate, get AAC. LittleWords can be a separate tool used alongside it.

Why are you so emphatic that LittleWords is not AAC? Because confusing the two harms families. A child who needs AAC and doesn't get it because the family used a practice app instead has lost months or years of communication access. We refuse to contribute to that confusion.

Is LittleWords cheaper than AAC? Different category entirely. AAC is often funded through insurance or Medicaid (frequently free to families with documentation), or roughly $250 to $300 for app-based AAC out of pocket. LittleWords is $49 lifetime (Founding Family, waitlist) or $19/mo at launch. Price isn't the comparison. Function is.

Can my child use Buddy as their voice? No. Buddy is a character the child talks to for practice. Buddy is not a voice the child speaks through to other people. AAC provides voice. LittleWords provides practice.

Will LittleWords work for my non-speaking autistic child? Likely not as a primary tool. A non-speaking child needs AAC for daily communication. LittleWords could supplement emerging verbal speech if there is some, but it is not the answer for the communication need.

---

Related reading: AAC for autism hub · Speech therapy at home for autistic kids (pillar guide) · Will AAC stop my child from talking · AAC myths autism

Related Little Words guides

Important: Little Words is educational support for home practice. It is not a medical device, not an AAC replacement, and not a substitute for a licensed speech-language pathologist, pediatrician, or developmental evaluation.