# Synthesis24 vs Chess Mastery

The clearest difference is update cadence: Chess Mastery at every 3 days against Synthesis24's every 3 months. Synthesis24's advantage is iOS requirement (15.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

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

Synthesis24 ships an update every 3 months, Chess Mastery every 3 days. The most recent releases landed on October 9, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Synthesis24 | Chess Mastery |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 days** |
| Size | 49 MB | 3 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [杰超 杨](https://appshunter.io/developer/1364053114) | [Muhammed Nihal C](https://appshunter.io/developer/6809677348) |

## What reviewers say

### Synthesis24

[App page](https://appshunter.io/ios/app/synthesis24/id1606353407)

**Features:** macOS Compatibility

**In-app purchases:** none


### Chess Mastery

[App page](https://appshunter.io/ios/app/chess-mastery/id6809769032)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Synthesis24 free?

Synthesis24 is free to download, with no in-app purchases.

### Is Chess Mastery free?

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

### Do Synthesis24 or Chess Mastery have ads?

Neither Synthesis24 nor Chess Mastery shows ads.

### Which is updated more often, Synthesis24 or Chess Mastery?

Synthesis24 ships an update every 3 months, and Chess Mastery every 3 days. Most recently, Synthesis24 was updated on October 9, 2026 and Chess Mastery on October 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.*