# ChessPrep vs Chess Mastery Analysis & Train

The clearest difference is review sentiment: Chess Mastery Analysis & Train at 100% against ChessPrep's 33%. Chess Mastery Analysis & Train also leads on in-app purchases (none vs 3). ChessPrep's advantage is update cadence (every 3 days vs every 5 months) and device support (3 vs 1). On price and ads there is nothing between them.

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

ChessPrep ships an update every 3 days, Chess Mastery Analysis & Train every 5 months. The most recent releases landed on June 11, 2026 and July 8, 2026 respectively.

## The numbers

| Metric | ChessPrep | Chess Mastery Analysis & Train |
| --- | --- | --- |
| 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 | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 5 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 109 MB | 4 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Stephen Papadatos](https://appshunter.io/developer/1712680449) | [Ozan Ozcelik](https://appshunter.io/developer/1732862940) |

## 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 |


### Chess Mastery Analysis & Train

[App page](https://appshunter.io/ios/app/chess-mastery-analysis-and-train/id6478446286)

This app helps you improve your chess strategy by predicting advantage in positions and comparing your guesses with machine analysis. It offers an educational and entertaining way to learn new tactics and master challenging games.

**Highlights:** Predict chess position advantage, Compare guesses with machine analysis, Learn new chess strategies, Test skills with hard mode, User-friendly interface

**In-app purchases:** none


## Frequently asked questions

### Is ChessPrep free?

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

### Is Chess Mastery Analysis & Train free?

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

### Do ChessPrep or Chess Mastery Analysis & Train have ads?

Neither ChessPrep nor Chess Mastery Analysis & Train shows ads.

### Which is updated more often, ChessPrep or Chess Mastery Analysis & Train?

ChessPrep ships an update every 3 days, and Chess Mastery Analysis & Train every 5 months. Most recently, ChessPrep was updated on June 11, 2026 and Chess Mastery Analysis & Train on July 8, 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.*