# TouchChat Discover vs Math Skills Builder Lite

The clearest difference is rating: Math Skills Builder Lite at 5.0 against TouchChat Discover's 3.8. Math Skills Builder Lite also leads on iOS requirement (13.0 vs 18.0). TouchChat Discover's advantage is update cadence (every 2 months vs every 19 months) and ratings volume (100 vs 1). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. TouchChat Discover sells 11 one-off in-app purchases and Math Skills Builder Lite sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Math Skills Builder Lite holds the better App Store score, 5.0 against 3.8. That said, the two scores are not equally well evidenced: TouchChat Discover has 100 ratings behind it against 1, so its average is the more settled of the two.

TouchChat Discover ships an update every 2 months, Math Skills Builder Lite every 19 months. The most recent releases landed on October 15, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | TouchChat Discover | Math Skills Builder Lite |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.8 (100 ratings)](https://appshunter.io/ios/app/touchchat-discover/id427022529/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/math-skills-builder-lite/id1277897625/reviews)** |
| Number of ratings | **100** | 1 |
| Positive reviews | 21.8% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 19 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 2.7 GB | 191 MB |
| Requires iOS | 18.0 | **13.0** |
| Devices | **iPhone, iPad** | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Prentke Romich Company](https://appshunter.io/developer/474446992) | [Attainment Company](https://appshunter.io/developer/403989333) |

## 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 |


### Math Skills Builder Lite

[App page](https://appshunter.io/ios/app/math-skills-builder-lite/id1277897625)

This app helps students apply early numeracy skills to solve real-world math problems. It uses math stories and concrete strategies to teach when to add or subtract. Research indicates the program is highly effective for developing problem-solving abilities.

**Highlights:** Real-world math problem scenarios, Early numeracy skill application, Concrete addition/subtraction strategies, Multiple learning modes, Research-backed effectiveness

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Version | $59.99 | one-time |


## Frequently asked questions

### Is TouchChat Discover free?

TouchChat Discover is free to download, with in-app purchases available.

### Is Math Skills Builder Lite free?

Math Skills Builder Lite is free to download, with in-app purchases available.

### Which has better reviews, TouchChat Discover or Math Skills Builder Lite?

Math Skills Builder Lite is rated higher. TouchChat Discover averages 3.8 out of 5 from 100 ratings, while Math Skills Builder Lite averages 5.0 from 1 ratings.

### Do TouchChat Discover or Math Skills Builder Lite have ads?

Neither TouchChat Discover nor Math Skills Builder Lite shows ads.

### Which is updated more often, TouchChat Discover or Math Skills Builder Lite?

TouchChat Discover ships an update every 2 months, and Math Skills Builder Lite every 19 months. Most recently, TouchChat Discover was updated on October 15, 2026 and Math Skills Builder Lite on September 17, 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.*