# Chess Mastery Analysis & Train vs Chess Defense Trainer

The clearest difference is in-app purchases: Chess Mastery Analysis & Train at none against Chess Defense Trainer's 6. Chess Mastery Analysis & Train also leads on ads (none vs shown). Chess Defense Trainer's advantage is update cadence (every 2 months vs every 5 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Chess Defense Trainer sells 6 in-app purchases, starting at $2.99 per month. Chess Mastery Analysis & Train asks for nothing beyond the download.

Chess Mastery Analysis & Train ships an update every 5 months, Chess Defense Trainer every 2 months. The most recent releases landed on October 30, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Chess Mastery Analysis & Train | Chess Defense Trainer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/chess-mastery-analysis-and-train/id6478446286/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 5 months | **Every 2 months** |
| Monetization | Free | — |
| Size | 4 MB | 117 MB |
| Requires iOS | 17.0 | **16.4** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Ozan Ozcelik](https://appshunter.io/developer/1732862940) | [Dawid Wrzesinski](https://appshunter.io/developer/1812701337) |

## 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


### Chess Defense Trainer

[App page](https://appshunter.io/ios/app/chess-defense-trainer/id6747926627)

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Espresso Subscription | $2.99 | per month |
| Flat White Subscription | $5.99 | per 3 months |
| Latte Subscription | $7.99 | per 6 months |
| Espresso | $3.99 | one-time |
| Flat White | $6.99 | one-time |
| Latte | $9.99 | 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 Chess Defense Trainer free?

Chess Defense Trainer is free to download, with in-app purchases available.

### Do Chess Mastery Analysis & Train or Chess Defense Trainer have ads?

Chess Defense Trainer shows ads; Chess Mastery Analysis & Train does not.

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

Chess Mastery Analysis & Train ships an update every 5 months, and Chess Defense Trainer every 2 months. Most recently, Chess Mastery Analysis & Train was updated on October 30, 2026 and Chess Defense Trainer on November 5, 2026.

---

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