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Moving from PECS to High-Tech AAC: A Guide for SLPs

Reviewed byBlair Bradley, M.S., CCC-SLP
A speech-language pathologist sits beside a young AAC user at a low classroom table, a picture-card communication book open near one hand and a QuickTalker Freestyle speech device laid flat in front of them, as she points to a symbol on the device screen

Moving from PECS to high-tech AAC means giving an AAC user who communicates with picture cards a speech-generating device that speaks their words aloud and holds a far larger vocabulary they can reach on their own. It is a natural next step for many communicators, and it works best as an expansion of what already works rather than a hard switch. This guide walks speech-language pathologists through what the move involves, how to recognize when an AAC user is ready, and how to run a smooth transition on a QuickTalker Freestyle™ speech device. If you are setting up a communicator for the first time, it pairs naturally with how to get started.

Key Takeaways

  • Moving from PECS to high-tech AAC gives an AAC user spoken output and a much larger vocabulary they can reach independently, while picture exchange builds the core idea that communication is a two-person exchange.
  • There are no prerequisites to complete first; a child can begin learning a speech device whether or not they worked through every phase of picture exchange.
  • Signs of readiness include exchanging symbols with intent, reaching for more words than a card set holds, and showing interest in a screen-based device.
  • The smoothest transitions introduce the speech device alongside the picture cards, so the AAC user gains a tool rather than losing the one they trust.
  • Aided language stimulation, modeling words on the device during real routines, is the strategy that helps a new device take hold.
  • An app-agnostic device lets you choose the AAC app whose layout fits the user and adjust it later on the same hardware as they grow.

What Does Moving from PECS to High-Tech AAC Mean?

Moving from PECS to high-tech AAC means adding a speech-generating device to a communicator who currently exchanges picture symbols by hand. PECS, the Picture Exchange Communication System, is a structured low-tech approach where an AAC user hands a picture card to a partner to make a request or comment. High-tech AAC uses a dedicated speech device that produces spoken words when the user selects symbols on a screen, drawing from a vocabulary far larger than a physical card set can hold.

The shift is less about replacing one system and more about widening the user’s reach. Picture exchange teaches something foundational: that communication is a powerful, intentional exchange between two people. A high-tech device builds on that foundation by adding a spoken voice, faster access to many more words, and the ability to combine words into longer, more flexible messages. For more information on the device side, the beginner’s guide to high-tech AAC for SLPs covers the fundamentals.

Do You Have to Master PECS Before High-Tech AAC?

No, an AAC user does not have to master PECS, or finish every phase of it, before using a high-tech AAC device. This is one of the most common misconceptions in AAC, and current evidence points the other way. There are no skill prerequisites a communicator must clear before being given robust AAC, a point the field has affirmed for years and one we cover in debunking AAC myths.

The American Speech-Language-Hearing Association’s practice portal on AAC frames AAC as appropriate across a wide range of communicators and functions, without a fixed sequence of low-tech steps to complete first. In practice, that means a team can introduce a speech device when it serves the user, whether they have worked through every phase of picture exchange or are still early in it. Picture exchange and a speech device are tools, and a communicator can hold more than one.

A speech-language pathologist sits beside a young AAC user at a low table, leaning in to introduce a QuickTalker Freestyle speech device while a small set of picture communication cards rests on the table within the child
Introducing a speech device while the picture cards stay within reach lets the AAC user gain a new tool instead of trading one away

Signs an AAC User Is Ready for a Speech Device

The clearest signs of readiness show up in how an AAC user already communicates, not in a formal checklist. Because robust AAC has no prerequisites, these signals are about timing and motivation rather than permission. Watch for indicators like these:

  • Exchanging symbols with clear intent. The user hands over cards to request, comment, or direct, showing they understand symbols carry meaning.
  • Reaching for more words than the cards hold. The user runs up against the limits of a physical card set, or improvises to express ideas the cards do not cover.
  • Combining symbols. The user strings two or more cards together, a sign they are ready for the longer messages a device supports.
  • Showing interest in a screen. The user is drawn to tablets or devices, which can make a speech device feel motivating rather than unfamiliar.
  • Communicating across more partners and places. The user wants to be understood by people beyond their closest partners, where spoken output helps.

If you are weighing a formal evaluation, the guide to who qualifies for an SGD walks through the criteria funders and clinicians look for.

How Do You Transition from PECS to a Speech Device?

You transition from PECS to a speech device by carrying over the words that already work, introducing the device alongside the cards, and modeling on it daily until it becomes the user’s go-to tool. The steps below give SLPs a repeatable path that keeps the AAC user supported at every stage.

A five-step journey from picture cards to a high-tech AAC device: map the current vocabulary, choose the device and app, introduce the device alongside the cards, model on the device every day, then expand and follow the user
  1. Map the current vocabulary. List the picture symbols the AAC user already uses and the messages they exchange most. The words that already work for them should carry straight over to the device so the move feels familiar.
  2. Choose the device and app. Pick a speech device and an AAC app whose core word layout fits the user. Choosing app-agnostic hardware lets you adjust the app later as the user grows, without buying new equipment. The five considerations for choosing a device can help you decide.
  3. Introduce the device alongside the cards. Add the speech device during familiar routines while the picture cards stay available. The AAC user gains a new tool rather than losing the one they trust.
  4. Model on the device every day. Use aided language stimulation, tapping words on the device as you say them during real activities, so the user sees how the screen maps onto everyday language. The approach is detailed in aided language stimulation for early intervention.
  5. Expand and follow the user’s lead. Grow the modeled vocabulary as the AAC user explores, adding words around a stable core and letting their interests guide what comes next.

Keeping Picture Cards in the Mix

Picture cards still have a place after a speech device arrives, and keeping them supports multimodal communication. Multimodal communication simply means a person uses more than one way to express themselves, and most of us do this all the time with speech, gestures, and writing. An AAC user is no different, and a richer set of tools means more ways to be understood.

A laminated core board or a small card set is a dependable backup when a device is charging, out of reach, or in a setting where a screen is hard to use. Some AAC users also move comfortably between cards and a device depending on the moment. Rather than retiring the cards on day one, let their use taper naturally as the device becomes the user’s primary voice. For more on weaving AAC through daily life at home, see effective AAC implementation in the home.

Choosing a Device That Grows With the AAC User

The best speech device is one that can grow with the AAC user for years, not one matched only to today’s vocabulary. A communicator who starts with a handful of words will, with good modeling, reach for many more, and the device should keep up without forcing a fresh start. Dedicated, app-agnostic hardware makes that possible: the same device can run the AAC app that fits the user now and a different one later if their needs change.

A device dedicated to communication, rather than a shared family tablet, also helps an AAC user understand that this tool is their voice. That clarity can deepen how readily they pick it up.

“Being able to get the AbleNet device that he knows is solely for AAC has like rocketed his usage of AAC.” — Chloe, mom to Knox

When you are comparing options, the SLP clinical resources and the five key considerations for choosing a device lay out what to weigh.

Supporting Families Through the Change

Families move through this transition most smoothly when they know the picture cards are staying and their role is simply to model. Caregivers who have invested time in picture exchange have built real communication with their child, and a speech device extends that work rather than undoing it. Naming that directly helps families feel confident as the device arrives.

Give families a few concrete things to do: tap words on the device as they talk during everyday routines, keep the card set handy as a backup, and celebrate any way their child communicates, on the device or off it. Short, regular modeling during snacks, play, and bedtime adds up faster than long practice sessions. For families newer to modeling, presuming competence is a helpful frame for meeting their child as a capable communicator.

A parent sits beside a young AAC user on a living room floor, modeling a word on a QuickTalker Freestyle speech device during play while a small set of picture cards rests nearby
Short, regular modeling at home during everyday routines helps a new speech device take hold

Frequently Asked Questions

Is high-tech AAC better than PECS?

High-tech AAC is not better than PECS; the two tools do different jobs, and many AAC users benefit from both. Picture exchange builds the idea that communication is a powerful exchange between two people, while a high-tech speech device adds spoken output and a much larger vocabulary the user can reach independently. The right tool is the one that gives a particular communicator the most reach in the moment.

When should you move from PECS to a high-tech AAC device?

Consider a high-tech AAC device when an AAC user is exchanging picture symbols with intent, reaching for more words than a card set can hold, or showing interest in a screen-based device. There is no fixed skill checklist to complete first. Many teams introduce a speech device alongside picture cards rather than waiting for a single readiness milestone.

Do you have to stop using picture cards after getting a speech device?

No. Picture cards and a speech device can work side by side, and keeping both supports multimodal communication. A laminated card or core board is a reliable backup when a device is charging or out of reach, and some AAC users move comfortably between the two depending on the setting. Keeping picture cards in the mix protects the communication the user already has.

How long does the transition from PECS to AAC take?

The timeline varies by AAC user, and it is led by the communicator rather than the calendar. Some users take to a speech device within a few weeks of daily modeling, while others settle in over several months. Consistent modeling across real routines, paired with responsive partners, is what moves the transition along.

Can a child use a speech device if they never finished PECS?

Yes. There are no prerequisites a child must complete before using a high-tech AAC device, including finishing a picture exchange program. Research and clinical guidance support introducing robust AAC early and directly. A child can begin learning a speech device whether or not they worked through every phase of picture exchange first.

Getting Started

The move from picture cards to a speech device is a milestone worth celebrating, and you do not have to plan it alone. Whether you are mapping a current card set, comparing devices, or coaching a family through the change, support is available at every step. Explore how to get started with QuickTalker Freestyle, or browse the SLP clinical resources to help an AAC user reach for their next words with confidence.

About the reviewer

Blair Bradley, M.S., CCC-SLP

Speech-Language Pathologist·ableU Manager, AbleNet

Blair has been a licensed Speech-Language Pathologist since 2019, with pediatric experience across school settings and private practice. Her focus is AAC selection, evaluation, and coaching for families and teams.

Read Blair's full bio