# What’s That Sound? vs TouchChat Discover

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.

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.

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.

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.

## The numbers

| Metric | What’s That Sound? | TouchChat Discover |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | [3.2 (24 ratings)](https://appshunter.io/ios/app/whats-that-sound/id414716186/reviews) | **[3.8 (104 ratings)](https://appshunter.io/ios/app/touchchat-discover/id427022529/reviews)** |
| Number of ratings | 24 | **104** |
| Positive reviews | **45.5% of reviews** | 21.4% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 2 months** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 35 MB | 2.7 GB |
| Requires iOS | **8.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [DIfferent Roads to Learning, Inc.](https://appshunter.io/developer/404057274) | [Prentke Romich Company](https://appshunter.io/developer/474446992) |

## What reviewers say

### What’s That Sound?

[App page](https://appshunter.io/ios/app/whats-that-sound/id414716186)

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:** macOS Compatibility

**In-app purchases:** none


### TouchChat Discover

[App page](https://appshunter.io/ios/app/touchchat-discover/id427022529)

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:** macOS Compatibility, Family Sharing

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 30-Day Free Trial | Free | one-time |
| Upgrade to TouchChat HD Lite | $9.99 | one-time |
| Talk-About Vocabulary | $44.99 | one-time |
| PCS Symbol Library | $49.99 | one-time |
| iShare 1-Year 2GB Subscription | $59.99 | one-time |
| Pixon® for TouchChat | $79.99 | one-time |
| Gateway© Vocabulary | $149.99 | one-time |
| WordPower Vocabulary | $149.99 | one-time |
| Upgrade - TouchChat HD | $149.99 | one-time |
| Upgrade TouchChat HD WordPower | $299.99 | one-time |

**What reviewers like**

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

**What reviewers complain about**

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

**Reported bugs**

- App crashed when editing
- New update broke paid license
- Upgrade not working, logs out
- App glitches and shuts down
- App edits pictures without consent

**Requested features**

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


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*