# ChessRiddle vs CH3TRIS

The clearest difference is in-app purchases: ChessRiddle at none against CH3TRIS's 1. CH3TRIS's advantage is update cadence (every 3 days vs every 3 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. CH3TRIS sells 1 one-off in-app purchase. ChessRiddle asks for nothing beyond the download.

ChessRiddle ships an update every 3 weeks, CH3TRIS every 3 days. Both last shipped on October 31, 2026.

## The numbers

| Metric | ChessRiddle | CH3TRIS |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 3 days** |
| Size | 64 MB | 27 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Felix Andreas Beck](https://appshunter.io/developer/1879081669) | [Ramon Buzon](https://appshunter.io/developer/6783867847) |

## What reviewers say

### ChessRiddle

[App page](https://appshunter.io/ios/app/chessriddle-chess-trainer/id6759503028)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### CH3TRIS

[App page](https://appshunter.io/ios/app/ch3tris/id6783867845)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Version | $3.00 | one-time |


## Frequently asked questions

### Is ChessRiddle free?

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

### Is CH3TRIS free?

CH3TRIS is free to download, with in-app purchases available.

### Do ChessRiddle or CH3TRIS have ads?

Neither ChessRiddle nor CH3TRIS shows ads.

### Which is updated more often, ChessRiddle or CH3TRIS?

ChessRiddle ships an update every 3 weeks, and CH3TRIS every 3 days. Most recently, ChessRiddle was updated on October 31, 2026 and CH3TRIS on October 31, 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.*