# Tchin vs UNI for Change

The clearest difference is device support: Tchin at 3 against UNI for Change's 1. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Tchin ships an update every 3 weeks, UNI for Change every 5 weeks. The most recent releases landed on October 26, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Tchin | UNI for Change |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 5 weeks |
| Size | 37 MB | 65 MB |
| Requires iOS | **15.6** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 9+ | 4+ |
| Developer | [Philippe Bonsang](https://appshunter.io/developer/1116487532) | [Université de Liège](https://appshunter.io/developer/1464882178) |

## What reviewers say

### Tchin

[App page](https://appshunter.io/ios/app/tchin/id1116487533)

**Features:** macOS Compatibility

**In-app purchases:** none


### UNI for Change

[App page](https://appshunter.io/ios/app/uni-for-change/id6478279991)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Tchin free?

Tchin is free to download, with no in-app purchases.

### Is UNI for Change free?

UNI for Change is free to download, with no in-app purchases.

### Do Tchin or UNI for Change have ads?

Neither Tchin nor UNI for Change shows ads.

### Which is updated more often, Tchin or UNI for Change?

Tchin ships an update every 3 weeks, and UNI for Change every 5 weeks. Most recently, Tchin was updated on October 26, 2026 and UNI for Change on October 6, 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.*