Comparison

AAC Evaluation Genie vs TD Snap®

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

Head to head
About

AAC Evaluation Genie

This app assists speech-language pathologists and educators in evaluating augmentative and alternative communication (AAC) needs. It offers a structured framework with multiple subtests to assess various language and symbol identification skills, aiding in the selection of appropriate AAC systems.

Highlights
  • 13 comprehensive subtests
  • Screening options for subtests
  • Direct and switch scan user access
  • Visual identification and discrimination
  • Vocabulary assessment (noun, function, verb, adjective)
  • Category recognition and inclusion/exclusion
  • Core vocabulary and Unity icon patterns
  • Picture description and word prediction
Read full description

Are you looking for a fast and efficient process to streamline AAC evaluations? AAC Evaluation Genie is a powerful and intuitive app designed specifically for speech-language pathologists, occupational therapists, special educators, and assistive technology specialists. Developed by a certified speech-language pathologist, this innovative tool transforms the way professionals assess and evaluate augmentative and alternative communication (AAC) needs. AAC Evaluation Genie is a clinical tool intended to assist professionals in identifying skill areas related to language representation methods commonly found on augmentative communication systems. The purpose of AAC Evaluation Genie is not to identify a particular speech-generating device, but to build a framework for selecting an appropriate augmentative communication system for ongoing evaluation and/or device trial. Key Features: 13 Comprehensive Subtests: Administer detailed evaluations with screening options available for each subtest, ensuring a thorough assessment of AAC skills. AAC Evaluation Genie includes direct and switch scan user access methods. 1. Visual Identification: Evaluates the ability to progressively track and identify a single icon. Visual Discrimination: Evaluates the ability to progressively track and discriminate a single icon. 2. Noun Vocabulary: Evaluates the user’s ability to identify common noun vocabulary. 3. Function Vocabulary: Evaluates the user’s ability to identify common noun vocabulary by stated function. 4. Verb Vocabulary: Evaluates the user’s ability to identify common verb (action word) vocabulary. 5. Category Recognition: Evaluates the user’s ability to identify common noun vocabulary by category group inclusion. 6. Adjective Vocabulary: Evaluates the user’s ability to identify common adjective (describing word) vocabulary. 7. Word Association: Evaluates the user’s ability to identify a noun by associated feature or function. 8. Category Inclusion: Evaluates the user’s ability to identify common noun vocabulary by category inclusion. 9. Category Exclusion: Evaluates the user’s ability to identify common noun vocabulary by category exclusion. 10. Core Vocabulary: Evaluates the recognition and identification of common core vocabulary words not easily represented with pictures using either Pixon® or SymbolStix® symbol sets. 11. Unity Icon Patterns: Evaluates the identification of vocabulary organized by Minspeak Unity® semantic/linguistic patterns. 12. Picture Description: Evaluates the user’s ability to describe basic pictures using a simulated AAC display. Choose either Pixon® or SymbolStix® symbol set for testing. 13. Word Prediction: Evaluates the user’s ability to read text and select a target word from a list of four choices. AAC Evaluation Genie provides a robust framework for practitioners to conduct efficient, effective, and comprehensive AAC assessments. Join the community of forward-thinking professionals enhancing their practice with cutting-edge technology. Download AAC Evaluation Genie today and revolutionize your approach to AAC assessment!

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.

Verdict

The call

The clearest difference is price: TD Snap® at Free against AAC Evaluation Genie's $12.99. TD Snap® also leads on rating (4.1 vs 3.0) and ratings volume (877 vs 2). AAC Evaluation Genie's advantage is in-app purchases (none vs 4). On update cadence, ads, device support 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

TD Snap® is free to download; AAC Evaluation Genie costs $12.99 up front. TD Snap® sells 4 in-app purchases, starting at $4.99 per month. AAC Evaluation Genie asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

TD Snap® holds the better App Store score, 4.1 against 3.0. That said, the two scores are not equally well evidenced: TD Snap® has 877 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 22% of AAC Evaluation Genie's written reviews are positive against 31% of TD Snap®'s.

UpkeepUpdate frequency

AAC Evaluation Genie ships an update every 3 months, TD Snap® every 2 months. The most recent releases landed on November 1, 2026 and November 6, 2026 respectively.

Scorecard6 real differences · 4 level
AAC Evaluation Genie versus TD Snap®: the parameters behind the verdict, then further details
ParameterAAC Evaluation GenieTD Snap®
Price$12.99Free — better
Rating3.0 (2 ratings)4.1 (877 ratings) — better
Positive reviews22.2% of reviews30.7% of reviews — better
Number of ratings2877 — better
Update frequencyEvery 3 monthsEvery 2 months — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaid — betterSubscription
DevicesiPadiPad
Requires iOS12.0.0 — better13.0
Further details — not scored
Size108 MB3.4 GB
Age rating4+4+
DeveloperHump SoftwareTobii Dynavox LLC

Customer experience

AAC Evaluation Genie

All ratings1 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews27 reviews
Positive22.2%
Neutral37.0%
Negative40.7%

TD Snap®

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

Bugs and requests

AAC Evaluation Genie

Not enough reviews yet to summarise bugs or 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

In-app purchases

None

AAC Evaluation Genie

No in-app purchases

4 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

Questions

Is AAC Evaluation Genie free?
AAC Evaluation Genie costs $12.99, with no in-app purchases.
Is TD Snap® free?
TD Snap® is free to download, with in-app purchases available.
Which has better reviews, AAC Evaluation Genie or TD Snap®?
TD Snap® is rated higher. AAC Evaluation Genie averages 3.0 out of 5 from 2 ratings, while TD Snap® averages 4.1 from 877 ratings.
Do AAC Evaluation Genie or TD Snap® have ads?
Neither AAC Evaluation Genie nor TD Snap® shows ads.
Which is updated more often, AAC Evaluation Genie or TD Snap®?
AAC Evaluation Genie ships an update every 3 months, and TD Snap® every 2 months. Most recently, AAC Evaluation Genie was updated on November 1, 2026 and TD Snap® on November 6, 2026.

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