# ChessPrep vs Gambyt

The clearest difference is in-app purchases: Gambyt at none against ChessPrep's 3. ChessPrep's advantage is iOS requirement (12.0 vs 17.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. ChessPrep sells 3 in-app purchases, starting at $0.99 per month. Gambyt asks for nothing beyond the download.

ChessPrep ships an update every 3 days, Gambyt every 2 days. The most recent releases landed on October 16, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | ChessPrep | Gambyt |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/chessprep/id6469808213/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 days | **Every 2 days** |
| Monetization | Free with in-app purchases | — |
| Size | 109 MB | 1 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Stephen Papadatos](https://appshunter.io/developer/1712680449) | [Kyle Frommelt](https://appshunter.io/developer/1848001205) |

## What reviewers say

### ChessPrep

[App page](https://appshunter.io/ios/app/chessprep/id6469808213)

Enhance your chess strategy with a powerful companion app. Build your repertoire from grandmaster moves, analyze opponent responses, and master tactics using a strong chess engine and spaced repetition.

**Highlights:** Build repertoire from grandmaster moves, Analyze opponent responses by elo, Stockfish 16 chess engine, Spaced repetition system, Position analysis and variation calculation

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ChessButler Monthly Sub | $0.99 | per month |
| ChessButler Yearly Sub | $9.99 | per year |
| ChessButler Lifetime Premium | $19.99 | one-time |


### Gambyt

[App page](https://appshunter.io/ios/app/gambyt/id6756532071)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ChessPrep free?

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

### Is Gambyt free?

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

### Do ChessPrep or Gambyt have ads?

Neither ChessPrep nor Gambyt shows ads.

### Which is updated more often, ChessPrep or Gambyt?

ChessPrep ships an update every 3 days, and Gambyt every 2 days. Most recently, ChessPrep was updated on October 16, 2026 and Gambyt on October 14, 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.*