Comparison

TD Snap® vs Expressia

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

TD Snap®

This communication software assists individuals with speech and language disabilities by offering symbol-supported and text-based communication options. It features customizable page sets and editing tools, accessible via touch, eye gaze, and switch access. A subscription is required after a trial period.

Highlights
  • Symbol-supported and text-based page sets
  • Customizable editing tools
  • Touch, eye gaze, and switch access
  • Picture Communication Symbols library
  • Visual schedules and timers
  • Cloud-based content syncing
Features
Read full description

TD Snap® is a flexible, robust communication software for people with speech and language disabilities such as autism, cerebral palsy and aphasia. Created by Tobii Dynavox, a leader in augmentative and alternative communication (AAC), TD Snap provides a choice of evidence-based, professionally developed page sets designed to meet different communication needs and preferences, with both symbol-supported and text-based options. TD Snap includes easy-to-use editing tools to create a personalized experience, and is accessible via touch, eye gaze and switch access methods. A monthly subscription is required to enable speech following a 1-month trial period. Tobii Dynavox offers complementary resources to help communicators, caregivers, and professionals succeed with TD Snap. These resources can be found by visiting myTobiiDynavox.com or tobiidynavox.com. Have you purchased a Tobii Dynavox device and looking to use your companion TD Snap license on an iOS device? Download this app and log into myTobiiDynavox in the start-up wizard. Customizable TD Snap Page Sets: • Core First: A symbol-supported page set enabling a path to literacy at any stage of language development, now also available in High contrast • Motor Plan: A symbol-supported page set enabling efficient language acquisition at any age, custom designed for both touch and eye gaze • Express: A symbol-supported page set to help people express themselves using theme-based phrases and words, now also available in bilingual Spanish/English • Text: A page set for those who are literate or transitioning from symbol supports to literacy • Scanning: A page set for those who use scanning as their primary access method, • Aphasia: A page set to help adults with aphasia communicate while also supporting language recovery , now also available in bilingual Spanish/English • PODD*: A page set based on the Pragmatic Organization Dynamic Display vocabulary strategy, developed by AAC expert Gayle Porter • Gateway*: A page set based on the Gateway vocabulary strategy, developed by Joan Bruno *Denotes in-app purchase of an additional monthly subscription per page or symbol set. Developed by a third party. Powerful Set of Integrated TD Snap Tools: • Editing: An intuitive editing tool to help customize buttons to meet a communicator’s unique needs • Diversity: A variety of diversity settings that let you customize skin tone, hair shades, and more • PCS: A built-in library of over 75,000 Picture Communication Symbols translated into over 25 languages • Search: A search bar to locate words and symbols with an easy and accessible path to find them • Visual Supports: A set of supports like visual schedules, timers, and scripts • Google Assistant: An integrated tool enabling symbol-supported access to Google Assistant • QuickFires: A set of commonly used pre-programmed phrases to make communication smoother • myTobiiDynavox: A cloud-based resource for backing up, sharing, and syncing customized content. How Subscriptions Work Following the 1-month free trial, your Apple ID payment method on file will automatically be charged monthly unless you cancel 24 hours before the trial ends. Subsequent monthly payments will be charged to your Apple ID payment method 24 hours before the end of each period. Your subscriptions are managed in account settings on the App Store. TD Snap® is a trademark and registered trademark of Tobii Dynavox AB. Tobii Dynavox cannot guarantee compatibility of TD Snap with any non-Tobii Dynavox brand of hardware and will not offer technical support for compatibility issues. All downloads are governed by TD Snap License Agreement for Download.

About

Expressia

This app provides two core functions: an alternative communication tool for non-verbal individuals using image, voice, and text cards to build sentences, and a cognitive stimulation platform for educational professionals to create engaging activities. It supports users with various disabilities and is completely free and ad-free.

Highlights
  • Alternative communication for non-verbal individuals
  • Image, voice, and text card creation
  • Sentence building functionality
  • Cognitive stimulation activities
  • Association, pairing, ordering, and storytelling exercises
  • Support for visual and motor disabilities
  • Voice scan feature
Features
Read full description

Expressia: Communicate & Learn Without Limits! Communicate and learn easily and fun with Expressia, a complete app for: Alternative Communication: - People who cannot speak or have difficulty expressing themselves verbally. - Create personalized boards with images, sounds, and voice to communicate independently. Adapted Activities (Cognitive Stimulation): - Teachers, speech therapists, and therapists who work with people with learning disabilities. - Create interactive and personalized activities to stimulate learning in a playful and effective way. Expressia is ideal for: - Autism - Down Syndrome - Cerebral Palsy - ADHD - Alzheimer's - Dyslexia - Speech difficulties - Learning disorders - Special Education and School Inclusion - Speech therapy, Occupational Therapy, and Special Education - TEACCH, ABA and PECS methodologies, and others. Features: - Fully customizable: create boards and activities according to your needs. - Search for images from the internet for your boards directly from the app. You can also use images from your own device. - Add images, photos, sounds, or record your own voice to communication boards and activities. - Easily share boards, phrases, or activities with anyone by sending a link. - Voice scan for people with visual and motor impairments. Learn more: WhatsApp support +55 31 4040-4192 Follow us on Instagram! @expressia.life Expressia on the web! www.expressia.life #aac #specialeducation #learningapps #communicationtools #autism #downsyndrome #adhd

Screenshots

Expressia4 screens

Verdict

The call

The clearest difference is review sentiment: Expressia at 100% against TD Snap®'s 31%. Expressia also leads on monetization model (free vs subscription) and update cadence (fortnightly vs every 2 months). On price, ads, in-app purchases and iOS requirement there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. TD Snap® sells 10 in-app purchases, starting at $4.99 per month and Expressia sells 2 in-app purchases, starting at $5.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

TD Snap® ships an update every 2 months, Expressia fortnightly. The most recent releases landed on October 13, 2026 and October 2, 2026 respectively.

Scorecard4 real differences · 6 level
TD Snap® versus Expressia: the parameters behind the verdict, then further details
ParameterTD Snap®Expressia
PriceFreeFree
Rating4.1 (856 ratings) — better—
Positive reviews30.7% of reviews100.0% of reviews — better
Number of ratings856 — better—
Update frequencyEvery 2 monthsFortnightly — better
AdsNoNo
In-app purchasesYesYes
MonetizationSubscriptionFree — better
DevicesiPadiPhone, iPad, iPod — better
Requires iOS13.013.0
Further details — not scored
Size3.4 GB93 MB
Age rating4+4+
DeveloperTobii Dynavox LLCColibri Interfaces

Customer experience

TD Snap®

All ratings856 ratings
Positive77.1%
Neutral6.3%
Negative16.6%
Written reviews179 reviews
Positive30.7%
Neutral5.6%
Negative63.7%

Expressia

Written reviews4 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

TD Snap®

Reported bugs

4 issues
  • Voice disappearing after updates
  • Crashes on launch
  • Incompatibility with iPad Pro
  • Inability to restore purchased content

Requested features

5 requests
  • Ability to change undo symbol
  • Link to ACCIL image database
  • Ability to set user age for appropriate vocabulary
  • More robust core vocabulary
  • Easier grammar modeling

Expressia

Not enough reviews yet to summarise bugs or requests.

In-app purchases

10 purchases

TD Snap®

Subscriptions4
  • Gateway Monthly1 Month trial$4.991 Month
  • PODD Monthly1 Month trial$4.991 Month
  • Metacom Monthly1 Month trial$4.991 Month
Show 1 more
  • Speaking Upgrade Monthly1 Month trial$9.991 Month
One-time6
  • Acapela Voices$39.99
  • Nuance Voices$39.99
  • Speaking Upgrade$49.99
Show 3 more
  • METACOM Symbols$49.99
  • PODD Page Sets$149.99
  • Gateway Page Sets$149.99
2 purchases

Expressia

Subscriptions2
  • Expressia Essential$5.991 Month
  • Expressia PRO$9.991 Month

Questions

Is TD Snap® free?
TD Snap® is free to download, with in-app purchases available.
Is Expressia free?
Expressia is free to download, with in-app purchases available.
Do TD Snap® or Expressia have ads?
Neither TD Snap® nor Expressia shows ads.
Which is updated more often, TD Snap® or Expressia?
TD Snap® ships an update every 2 months, and Expressia fortnightly. Most recently, TD Snap® was updated on October 13, 2026 and Expressia on October 2, 2026.

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