# Chess Mastery Analysis & Train vs OpenChess

The clearest difference is rating: OpenChess at 5.0 against Chess Mastery Analysis & Train's 4.0. OpenChess also leads on update cadence (fortnightly vs every 5 months) and device support (3 vs 1). Chess Mastery Analysis & Train's advantage is in-app purchases (none vs 10). On price, ratings volume and ads there is nothing between them.

Both are free to download. OpenChess sells 10 one-off in-app purchases. Chess Mastery Analysis & Train asks for nothing beyond the download.

OpenChess holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

Chess Mastery Analysis & Train ships an update every 5 months, OpenChess fortnightly. The most recent releases landed on October 21, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Chess Mastery Analysis & Train | OpenChess |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (1 ratings)](https://appshunter.io/ios/app/chess-mastery-analysis-and-train/id6478446286/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/openchess-an-opening-explorer/id6504700904/reviews)** |
| Number of ratings | 1 | **2** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Fortnightly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 4 MB | 57 MB |
| Requires iOS | 17.0 | **12.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Ozan Ozcelik](https://appshunter.io/developer/1732862940) | [David Bryant](https://appshunter.io/developer/1559648957) |

## What reviewers say

### 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


### OpenChess

[App page](https://appshunter.io/ios/app/openchess-an-opening-explorer/id6504700904)

Master chess openings by playing against a specialized AI. Explore specific defenses or move sequences, and gain insights into positional advantages and piece values. Improve your game from the very first moves.

**Highlights:** Learn specific chess openings, Play against AI focused on opening lines, Analyze positional advantages, Evaluate piece values and mobility, Understand pawn structure, Track defended and attacked pieces

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Tarrasch Defense Opening | $0.99 | one-time |
| Trompowsky Attack Opening | $0.99 | one-time |
| Scandinavian Defense Opening | $0.99 | one-time |
| Three Knights Opening | $0.99 | one-time |
| Zukertort Opening | $0.99 | one-time |
| Van't Kruijs Opening | $0.99 | one-time |
| Vienna Game Opening | $0.99 | one-time |
| Ware Opening | $0.99 | one-time |
| Opening Explorer | $4.99 | one-time |
| OpenChess Premium | $19.99 | one-time |


## Frequently asked questions

### Is Chess Mastery Analysis & Train free?

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

### Is OpenChess free?

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

### Which has better reviews, Chess Mastery Analysis & Train or OpenChess?

OpenChess is rated higher. Chess Mastery Analysis & Train averages 4.0 out of 5 from 1 ratings, while OpenChess averages 5.0 from 2 ratings.

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

Neither Chess Mastery Analysis & Train nor OpenChess shows ads.

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

Chess Mastery Analysis & Train ships an update every 5 months, and OpenChess fortnightly. Most recently, Chess Mastery Analysis & Train was updated on October 21, 2026 and OpenChess on October 15, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*