# TouchChat Discover vs Otsimo AAC | Tap and Talk

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.

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.

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.

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.

## The numbers

| Metric | TouchChat Discover | Otsimo AAC | Tap and Talk |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.8 (103 ratings)](https://appshunter.io/ios/app/touchchat-discover/id427022529/reviews) | **[4.2 (51 ratings)](https://appshunter.io/ios/app/otsimo-aac-tap-and-talk/id6443643989/reviews)** |
| Number of ratings | **103** | 51 |
| Positive reviews | 21.4% of reviews | **77.5% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 2.7 GB | 108 MB |
| Requires iOS | 18.0 | **14.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Prentke Romich Company](https://appshunter.io/developer/474446992) | [Otsimo](https://appshunter.io/developer/1084723769) |

## What reviewers say

### 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


### Otsimo AAC | Tap and Talk

[App page](https://appshunter.io/ios/app/otsimo-aac-tap-and-talk/id6443643989)

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:** macOS Compatibility, Vision Pro support

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AAC Monthly Subscription | $5.49 | per month |
| Monthly Subscription | $5.49 | per month |
| Special Subscription | $19.99 | per year |
| AAC Annual Subscription | $35.90 | per year |
| Annual Subscription | $35.90 | per year |
| Otsimo Bundle | $189.99 | per year |

**What reviewers like**

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

**What reviewers complain about**

- 👎 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

**Reported bugs**

- 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**

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


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