Comparison

What’s That Sound? vs TouchChat Discover

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

Head to head
About

What’s That Sound?

This interactive game helps young learners develop auditory discrimination and processing skills. Players match objects with their sounds, building a foundation for reading, speaking, and spelling. It's designed to enhance early childhood learning through engaging sound-based activities.

Highlights
  • Develops auditory discrimination
  • Enhances auditory processing
  • Matches objects with sounds
  • Supports early literacy skills
  • Interactive learning game
Features
Read full description

This interactive game develops auditory discrimination and processing skills in young learners. Players will improve their skills by matching objects and their associated sounds. Simple auditory processing skills lay the foundation for learning how to read, speak and spell.

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

Screenshots

What’s That Sound?4 screens
TouchChat Discover4 screens

Verdict

The call

The clearest difference is price: TouchChat Discover at Free against What’s That Sound?'s $1.99. TouchChat Discover also leads on rating (3.8 vs 3.2) and update cadence (every 2 months vs every 10 months). What’s That Sound?'s advantage is in-app purchases (none vs 10) and review sentiment (45% vs 21%). On ads and device support 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

TouchChat Discover is free to download; What’s That Sound? costs $1.99 up front. TouchChat Discover sells 10 one-off in-app purchases. What’s That Sound? asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

TouchChat Discover holds the better App Store score, 3.8 against 3.2. Both are backed by a comparable volume of ratings — 24 and 104 respectively. Written reviews complicate that: 45% of What’s That Sound?'s written reviews are positive against 21% of TouchChat Discover's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

What’s That Sound? ships an update every 10 months, TouchChat Discover every 2 months. The most recent releases landed on November 1, 2026 and November 10, 2026 respectively.

Scorecard8 real differences · 2 level
What’s That Sound? versus TouchChat Discover: the parameters behind the verdict, then further details
ParameterWhat’s That Sound?TouchChat Discover
Price$1.99Free — better
Rating3.2 (24 ratings)3.8 (104 ratings) — better
Positive reviews45.5% of reviews — better21.4% of reviews
Number of ratings24104 — better
Update frequencyEvery 10 monthsEvery 2 months — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaidFree with in-app purchases — better
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS8.0 — better18.0
Further details — not scored
Size35 MB2.7 GB
Age rating4+4+
DeveloperDIfferent Roads to Learning, Inc.Prentke Romich Company

Customer experience

What’s That Sound?

All ratings24 ratings
Positive45.8%
Neutral12.5%
Negative41.7%
Written reviews22 reviews
Positive45.5%
Neutral31.8%
Negative22.7%

TouchChat Discover

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

Bugs and requests

What’s That Sound?

Not enough reviews yet to summarise bugs or 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

In-app purchases

None

What’s That Sound?

No 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

Questions

Is What’s That Sound? free?
What’s That Sound? costs $1.99, with no in-app purchases.
Is TouchChat Discover free?
TouchChat Discover is free to download, with in-app purchases available.
Which has better reviews, What’s That Sound? or TouchChat Discover?
TouchChat Discover is rated higher. What’s That Sound? averages 3.2 out of 5 from 24 ratings, while TouchChat Discover averages 3.8 from 104 ratings.
Do What’s That Sound? or TouchChat Discover have ads?
Neither What’s That Sound? nor TouchChat Discover shows ads.
Which is updated more often, What’s That Sound? or TouchChat Discover?
What’s That Sound? ships an update every 10 months, and TouchChat Discover every 2 months. Most recently, What’s That Sound? was updated on November 1, 2026 and TouchChat Discover on November 10, 2026.

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