# Chess Expert Pro vs Chess Lab

The clearest difference is in-app purchases: Chess Expert Pro at none against Chess Lab's 1. Chess Expert Pro also leads on ads (none vs shown). Chess Lab's advantage is iOS requirement (17.6 vs 26.0). On price, update cadence and device support there is nothing between them.

Both are free to download. Chess Lab sells 1 one-off in-app purchase. Chess Expert Pro asks for nothing beyond the download.

Chess Expert Pro ships an update weekly, Chess Lab every 4 days. The most recent releases landed on October 30, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | Chess Expert Pro | Chess Lab |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 33.3% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Weekly | **Every 4 days** |
| Monetization | — | Free with in-app purchases |
| Size | 41 MB | 64 MB |
| Requires iOS | 26.0 | **17.6** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Gerhard Lentschik](https://appshunter.io/developer/629988041) | [koji ozono](https://appshunter.io/developer/1826482515) |

## What reviewers say

### Chess Expert Pro

[App page](https://appshunter.io/ios/app/chess-expert-pro/id6744117570)

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

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is Chess Expert Pro free?

Chess Expert Pro is free to download, with no in-app purchases.

### Is Chess Lab free?

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

### Do Chess Expert Pro or Chess Lab have ads?

Chess Lab shows ads; Chess Expert Pro does not.

### Which is updated more often, Chess Expert Pro or Chess Lab?

Chess Expert Pro ships an update weekly, and Chess Lab every 4 days. Most recently, Chess Expert Pro was updated on October 30, 2026 and Chess Lab on November 7, 2026.

---

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