# Chess Lab vs Simple Chess Trainer

Chess Lab and Simple Chess Trainer are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Chess Lab sells 1 one-off in-app purchase and Simple Chess Trainer sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Chess Lab | Simple Chess Trainer |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 4 days | — |
| Monetization | Free with in-app purchases | — |
| Size | 64 MB | 8 MB |
| Requires iOS | **17.6** | 18.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [koji ozono](https://appshunter.io/developer/1826482515) | [Oleksandr Ioffe](https://appshunter.io/developer/1895445780) |

## What reviewers say

### Chess Lab

[App page](https://appshunter.io/ios/app/chess-lab-arasan-ai-engine/id6757245101)

Analyze chess games with a powerful AI engine, practice against 30 difficulty levels, or watch live top-tier matches. Save and replay games, import PGNs, and customize your board view for a premium experience.

**Highlights:** AI-powered game analysis, 30 difficulty levels for CPU play, Local 2-player mode, Lichess spectating with channel selection, Save and replay games, PGN import, Customizable 2D/2.5D board views

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Chess Lab Pro | $2.99 | one-time |


### Simple Chess Trainer

[App page](https://appshunter.io/ios/app/simple-chess-trainer/id6766382515)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove All Adds (One-Time) | $12.99 | one-time |


## Frequently asked questions

### Is Chess Lab free?

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

### Is Simple Chess Trainer free?

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

### Do Chess Lab or Simple Chess Trainer have ads?

Both Chess Lab and Simple Chess Trainer show ads.

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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.*