# TouchChat Discover vs PS K140

The clearest difference is rating: PS K140 at 5.0 against TouchChat Discover's 3.8. PS K140 also leads on in-app purchases (none vs 11) and iOS requirement (15.6 vs 18.0). TouchChat Discover's advantage is ratings volume (102 vs 1). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. TouchChat Discover sells 11 one-off in-app purchases. PS K140 asks for nothing beyond the download.

PS K140 holds the better App Store score, 5.0 against 3.8. That said, the two scores are not equally well evidenced: TouchChat Discover has 102 ratings behind it against 1, so its average is the more settled of the two.

TouchChat Discover ships an update every 2 months, PS K140 monthly. The most recent releases landed on October 26, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | TouchChat Discover | PS K140 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.8 (102 ratings)](https://appshunter.io/ios/app/touchchat-discover/id427022529/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/ps-k140/id6748641315/reviews)** |
| Number of ratings | **102** | 1 |
| Positive reviews | 21.8% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 2.7 GB | 163 MB |
| Requires iOS | 18.0 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Prentke Romich Company](https://appshunter.io/developer/474446992) | [Solved Education Consultancy, LLC](https://appshunter.io/developer/1506645558) |

## 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 (11)**

| 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 |
| Arabic Vocabulary Set | $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


### PS K140

[App page](https://appshunter.io/ios/app/ps-k140/id6748641315)

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:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is TouchChat Discover free?

TouchChat Discover 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, TouchChat Discover or PS K140?

PS K140 is rated higher. TouchChat Discover averages 3.8 out of 5 from 102 ratings, while PS K140 averages 5.0 from 1 ratings.

### Do TouchChat Discover or PS K140 have ads?

Neither TouchChat Discover nor PS K140 shows ads.

### Which is updated more often, TouchChat Discover or PS K140?

TouchChat Discover ships an update every 2 months, and PS K140 monthly. Most recently, TouchChat Discover was updated on October 26, 2026 and PS K140 on September 18, 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.*