Comparison

TD Snap® vs PS K140

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

PS K140

This app connects students, families, and educators with academic schedules, grades, school announcements, and staff directories. It offers multilingual support and integrates with educational platforms for seamless communication and management.

Highlights
  • Academic schedules and real-time grades
  • School announcements and notifications
  • Parent-Teacher Association updates
  • Staff directory
  • Student progress reports
  • Multilingual support (100+ languages)
  • Integration with educational platforms
Features
Read full description

Key Features: Students: Gain the edge in your studies with direct links to your academic schedules, real-time grades, and extensive learning materials. Families: Participate actively in school life with updates from the Parent-Teacher Association, a comprehensive staff directory, and detailed reports on student progress. Educational Staff: Have immediate access to crucial educational data, embed the principles of PBIS in your teaching, and find valuable CTLE materials for ongoing educational growth. Latest Updates: Stay abreast of the latest school announcements through instant notifications. All your school’s social platforms integrated into one stream for ease of access. Planning and Participation: Always be in the loop with exhaustive details on academic and extracurricular activities, including conferences and various school outings. Multilingual Support & User-Friendly Design: A testament to our dedication to diversity with language support spanning over 100 languages and full accessibility for all users. Advantages: A unified digital nexus for: Parents: Manage your child's schooling with an all-encompassing mobile resource. Educators: Simplify educational management and student interaction. Real-World Applications: Parents On-the-Move: Effortlessly check in on your child’s academic performance even amidst a hectic day. Pupils: Lay out your week seamlessly by reviewing schedules ahead of time. Educators: Streamline planning for school activities and academic schedules with your peers. Interactive Elements: A seamless navigation experience with an intuitive interface. One-touch access to essential educational platforms like Google Classroom and ClassDojo. Health resources at your fingertips, with essential links to wellness screenings and immunization information. Distinct Offerings: On-demand translation for inclusive engagement with the school community. An engaging visual showcase featuring school events and moments. Wrap-Up: Get the P.S. K140 now to simplify your educational experience – simplifying education management for everyone involved.

Screenshots

PS K1404 screens

Verdict

The call

The clearest difference is rating: PS K140 at 5.0 against TD Snap®'s 4.1. PS K140 also leads on in-app purchases (none vs 10) and device support (3 vs 1). TD Snap®'s advantage is ratings volume (866 vs 1) and iOS requirement (13.0 vs 15.6). On price, update cadence and ads 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. PS K140 asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

PS K140 holds the better App Store score, 5.0 against 4.1. That said, the two scores are not equally well evidenced: TD Snap® has 866 ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

TD Snap® ships an update every 2 months, PS K140 monthly. The most recent releases landed on October 24, 2026 and September 18, 2026 respectively.

Scorecard6 real differences · 4 level
TD Snap® versus PS K140: the parameters behind the verdict, then further details
ParameterTD Snap®PS K140
PriceFreeFree
Rating4.1 (866 ratings)5.0 (1 ratings) — better
Positive reviews30.7% of reviews—
Number of ratings866 — better1
Update frequencyEvery 2 monthsMonthly — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationSubscriptionFree — better
DevicesiPadiPhone, iPad, iPod — better
Requires iOS13.0 — better15.6
Further details — not scored
Size3.4 GB163 MB
Age rating4+12+
DeveloperTobii Dynavox LLCSolved Education Consultancy, LLC

Customer experience

TD Snap®

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

PS K140

All ratings1 ratings
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

PS K140

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
None

PS K140

No in-app purchases

Questions

Is TD Snap® free?
TD Snap® is free to download, with in-app purchases available.
Is PS K140 free?
PS K140 is free to download, with no in-app purchases.
Which has better reviews, TD Snap® or PS K140?
PS K140 is rated higher. TD Snap® averages 4.1 out of 5 from 866 ratings, while PS K140 averages 5.0 from 1 ratings.
Do TD Snap® or PS K140 have ads?
Neither TD Snap® nor PS K140 shows ads.
Which is updated more often, TD Snap® or PS K140?
TD Snap® ships an update every 2 months, and PS K140 monthly. Most recently, TD Snap® was updated on October 24, 2026 and PS K140 on September 18, 2026.

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