Comparison

TouchChat Discover vs Otsimo AAC | Tap and Talk

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

Head to head
About

TouchChat Discover

This app offers a risk-free way to explore a powerful communication solution before committing to a purchase. It provides a free trial of all features or access to lite-tech boards for individuals with speech difficulties.

Highlights
  • 30-day free trial of full features
  • Explore lite-tech WordPower boards
  • Augmentative and Alternative Communication (AAC)
  • Customizable vocabulary and messages
  • Built-in voice synthesizer
  • Multiple language options
Features
Read full description

Experience TouchChat® Discover, the new, risk-free way to try all the features of the popular TouchChat app before you buy. After downloading, you’ll have the option to start a free 30-day trial OR to explore the WordPower96 English and Spanish lite-tech boards. TouchChat is a full-featured Augmentative and Alternative Communication (AAC) solution for individuals who have difficulty using their natural voice. TouchChat is designed for individuals with Autism, Down Syndrome, ALS, apraxia, stroke, or other conditions that affect a person's ability to use natural speech. TouchChat gives an individual the ability to choose a vocabulary file which consists of pages and buttons that contain words, phrases, sentences, and other functions. Messages are spoken with a built-in voice synthesizer or by playing a recorded message. Various synthesized and custom voice options are available, allowing the user to choose a voice that fits their own personality. After your 30-day trial ends, you’ll have the option to purchase TouchChat HD w/WordPower®, TouchChat HD, or TouchChat HD Lite. If you don’t make a purchase, you’ll still have access to the WordPower96 English and Spanish lite-tech boards when your trial period ends. TouchChat provides multiple language options in a universal app supporting iPhone®, iPod touch® and iPad®. By downloading and using the TouchChat app, the purchaser accepts the PRC-Saltillo TouchChat Software License Terms. The Manufacturer of the iOS application – TouchChat Discover is: Prentke Romich Company dba PRC-Saltillo 1022 Heyl Rd Wooster, OH 44691 USA Tel.: (330) 262-1984 // (800) 262-1984 Fax: (330) 262-4829 Email: info@aacapps.com Web: www.prc-saltillo.com The EU Authorized European Representative for the iOS application – TouchChat Discover is: Prentke Romich GmbH Karthäuserstr. 3 D-34117 Kassel Germany Tel.: (05 61) 7 85 59-0 Fax: (05 61) 7 85 59-29 Email: info@prentke-romich.de Web : www.prentke-romich.de The UK Responsible Person for the iOS application – TouchChat Discover is: Liberator Ltd Glenside Business Park West Pinchbeck, Spalding, Lincolnshire, PE11 3SA UK Tel: +44 (0)1733 370470 Email: info@liberator.co.uk Web: www.liberator.co.uk/ The Swiss Authorized Representative for the iOS application – TouchChat Discover is: Inspera GmbH Thunstrasse 64 | CH-3110 Münsingen Phone +41 31 819 74 60 | Mobile +41 79 435 53 09 mail@inspera.ch | www.inspera.ch

About

Otsimo AAC | Tap and Talk

This app provides a customizable symbol-based communication system for individuals with speech difficulties. It offers voice output, text-to-speech, and pre-installed words to facilitate effective communication for users of all ages.

Highlights
  • Symbol-based communication
  • Voice output
  • Text-to-speech keyboard
  • Customizable views and boards
  • Over 1700 pre-installed words
  • Verb conjugations
  • Offline capability
Features
Read full description

Welcome to Otsimo AAC, the innovative alternative and augmentative communication app that's designed for anyone who struggles with verbal communication, including non-speaking individuals of all ages. Our app offers a wide range of features that empower you to communicate more easily and effectively. With several different ways to express yourself, such as voice output, text-to-speech, and symbol-based communication, Otsimo AAC is fully customizable, from personalized views to preferred language and voice settings. It's the ideal tool for those who require augmentative and alternative communication devices, especially individuals with speech-language disorders, autism, cerebral palsy, Down syndrome, and other developmental disabilities or speech disorders. Customizable Communication Otsimo AAC has an edit mode that allows you to customize every screen to your preferences. You can add or remove any card, symbol, or word you'd like and even assign photos or symbols to the words you've added so that you can have quick and easy access to your custom boards. With our app, you have complete control over your communication. Pre-installed Words With over 1700 unique words preinstalled, Otsimo AAC offers a comprehensive selection of words that covers most everyday communication needs. Our app is designed to grow with you, so you can add your own words, phrases, and even prepositions as your communication needs evolve. Text to Speech Keyboard Our app also comes equipped with an internal keyboard, so you can type anything you'd like. This feature is especially useful for individuals who prefer to type rather than use a symbol-based communication system. Conjugations of Verbs Otsimo AAC offers conjugations of verbs, which makes communicating in the past, present, and future tense easier than ever before. Offline Capability Our app can be used offline, so you can use it anywhere, anytime, without worrying about network connectivity. This feature especially benefits individuals who travel frequently or live in areas with limited internet access. Natural Sounding Voices Otsimo AAC offers 13 different natural-sounding voice outputs to choose from, so you can find the one that represents you best. With our app, you'll feel confident that your voice is being heard in a way that's true to your personality. In summary, Otsimo AAC is the ultimate communication tool for non-speaking individuals of all ages. With customizable screens, pre-installed words, and verb conjugations, you'll have all the tools you need to communicate more easily and effectively. Help & Support At Otsimo AAC, we're committed to providing exceptional help and support to our users. Our blog offers a comprehensive library of articles and guides on AAC, providing reliable and updated information to help you make the most of our app. As a company specializing in special needs, we go above and beyond to make Otsimo AAC more accessible for everyone, and we welcome your feedback. Download the app today and let us know how we can improve your experience. With your help, we'll continue to evolve and innovate, making communication easier and more effective for all. Try Otsimo AAC free for 14 days! For Otsimo AAC, we offer the following subscriptions: 1 month from $5.49 with 3 days trial. 1 month discounted from $2.99 with 3 days trial. 1 year from $35.99 with 14 days trial. 1 year discounted from $19.99 with 7 days trial. Actual charges might be converted to local currency depending on your country of residence. The conversion will be made automatically. If you upgrade to Premium, payment will be charged to your iTunes account at the confirmation of purchase. Subscriptions automatically renew unless auto-renew is turned off at least 24 hours before the end of the current period. Privacy Policy: https://otsimo.com/en/legal/privacy/ Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

TouchChat Discover4 screens
Otsimo AAC | Tap and Talk4 screens

Verdict

The call

The clearest difference is review sentiment: Otsimo AAC | Tap and Talk at 78% against TouchChat Discover's 21%. Otsimo AAC | Tap and Talk also leads on rating (4.2 vs 3.8) and update cadence (every 3 weeks vs every 2 months). On price, ratings volume, ads and in-app purchases 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. TouchChat Discover sells 10 one-off in-app purchases and Otsimo AAC | Tap and Talk sells 6 in-app purchases, starting at $5.49 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Otsimo AAC | Tap and Talk holds the better App Store score, 4.2 against 3.8. Both are backed by a comparable volume of ratings — 103 and 51 respectively. Written reviews point the same way: 21% of TouchChat Discover's written reviews are positive against 78% of Otsimo AAC | Tap and Talk's.

UpkeepUpdate frequency

TouchChat Discover ships an update every 2 months, Otsimo AAC | Tap and Talk every 3 weeks. The most recent releases landed on November 6, 2026 and November 3, 2026 respectively.

Scorecard4 real differences · 6 level
TouchChat Discover versus Otsimo AAC | Tap and Talk: the parameters behind the verdict, then further details
ParameterTouchChat DiscoverOtsimo AAC | Tap and Talk
PriceFreeFree
Rating3.8 (103 ratings)4.2 (51 ratings) — better
Positive reviews21.4% of reviews77.5% of reviews — better
Number of ratings103 — better51
Update frequencyEvery 2 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS18.014.0 — better
Further details — not scored
Size2.7 GB108 MB
Age rating4+4+
DeveloperPrentke Romich CompanyOtsimo

Customer experience

TouchChat Discover

All ratings102 ratings
Positive67.6%
Neutral6.9%
Negative25.5%
Written reviews56 reviews
Positive21.4%
Neutral1.8%
Negative76.8%

Otsimo AAC | Tap and Talk

All ratings50 ratings
Positive80.0%
Neutral2.0%
Negative18.0%
Written reviews40 reviews
Positive77.5%
Neutral2.5%
Negative20.0%

User reviews

TouchChat Discover

From 103 App Store ratings

What we love

  • 👍 Useful for visual language-learning
  • 👍 Handy backup communication tool
  • 👍 Access to all vocabulary sets
  • 👍 Good for practice and training

Room to improve

  • 💸 Expensive pricing
  • 🔇 No speech output
  • 🐛 Bugs and glitches
  • 📉 Lagging performance
  • 🚫 No audio

Otsimo AAC | Tap and Talk

From 51 App Store ratings

What we love

  • 👍 Clear voice output
  • 👍 Natural communication with verb conjugations
  • 👍 Useful for high-anxiety days
  • 👍 User-friendly interface
  • 👍 Extensive symbol library

Room to improve

  • 👎 No lifetime purchase option
  • 👎 No way to explore without signing in
  • 👎 Requires subscription to use features
  • 👎 App is not free as advertised
  • 👎 App doesn't load past the first screen

Bugs and requests

TouchChat Discover

Reported bugs

10 issues
  • App crashed when editing
  • New update broke paid license
  • Upgrade not working, logs out
  • App glitches and shuts down
  • App edits pictures without consent
Show 5 more
  • Will not download, storage issues
  • Does not work with iOS 16 and new iPhone
  • No access to 30 day trial after purchase
  • App crashes whole app
  • App has bugs, glitches, and lagging

Requested features

4 requests
  • Add scientific calculator with exponents, complex numbers & roots
  • Make it less expensive
  • Add teenage voices back
  • Add voice to free trial

Otsimo AAC | Tap and Talk

Reported bugs

4 issues
  • App does not load past the first screen
  • App is glitchy when adding or editing cards
  • Signing in is bugged
  • Unauthorized money taken from account

Requested features

4 requests
  • Lifetime purchase option
  • Ability to explore basics without signing up
  • Lock home screen or password protection for editing mode
  • Customization transfers between devices

In-app purchases

10 purchases

TouchChat Discover

One-time10
  • 30-Day Free TrialFree
  • Upgrade to TouchChat HD Lite$9.99
  • Talk-About Vocabulary$44.99
Show 7 more
  • PCS Symbol Library$49.99
  • iShare 1-Year 2GB Subscription$59.99
  • Pixon® for TouchChat$79.99
  • Gateway© Vocabulary$149.99
  • WordPower Vocabulary$149.99
  • Upgrade - TouchChat HD$149.99
  • Upgrade TouchChat HD WordPower$299.99
6 purchases

Otsimo AAC | Tap and Talk

Subscriptions6
  • AAC Monthly Subscription3 Days trial$5.491 Month
  • Monthly Subscription6 Months trial$5.491 Month
  • Special Subscription7 Days trial$19.991 Year
Show 3 more
  • AAC Annual Subscription7 Days trial$35.901 Year
  • Annual Subscription6 Months trial$35.901 Year
  • Otsimo Bundle$189.991 Year

Questions

Is TouchChat Discover free?
TouchChat Discover is free to download, with in-app purchases available.
Is Otsimo AAC | Tap and Talk free?
Otsimo AAC | Tap and Talk is free to download, with in-app purchases available.
Which has better reviews, TouchChat Discover or Otsimo AAC | Tap and Talk?
Otsimo AAC | Tap and Talk is rated higher. TouchChat Discover averages 3.8 out of 5 from 103 ratings, while Otsimo AAC | Tap and Talk averages 4.2 from 51 ratings.
Do TouchChat Discover or Otsimo AAC | Tap and Talk have ads?
Neither TouchChat Discover nor Otsimo AAC | Tap and Talk shows ads.
Which is updated more often, TouchChat Discover or Otsimo AAC | Tap and Talk?
TouchChat Discover ships an update every 2 months, and Otsimo AAC | Tap and Talk every 3 weeks. Most recently, TouchChat Discover was updated on November 6, 2026 and Otsimo AAC | Tap and Talk on November 3, 2026.

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