# Turing’s Machine Lite vs Chess Expert Pro

The clearest difference is update cadence: Chess Expert Pro at weekly against Turing’s Machine Lite's every 9 months. Turing’s Machine Lite's advantage is iOS requirement (8.0 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Turing’s Machine Lite ships an update every 9 months, Chess Expert Pro weekly. The most recent releases landed on October 24, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Turing’s Machine Lite | Chess Expert Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (4 ratings)](https://appshunter.io/ios/app/turings-machine-lite/id1114457564/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Weekly** |
| Monetization | Free | — |
| Size | 78 MB | 41 MB |
| Requires iOS | **8.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [DBRG Ltd.](https://appshunter.io/developer/964613425) | [Gerhard Lentschik](https://appshunter.io/developer/629988041) |

## What reviewers say

### Turing’s Machine Lite

[App page](https://appshunter.io/ios/app/turings-machine-lite/id1114457564)

Experience the original chess computer program conceived by Alan Turing. Play against a classic engine or a modern, stronger version. Includes puzzles, practice levels, and two-player modes for a virtual chessboard experience.

**Highlights:** Original TuroChamp implementation, Modern engine up to 2000 Elo, Puzzles and practice levels, Two-player modes (Bluetooth/LAN), Virtual chessboard (Tabletop mode), Mini-tournament mode, Elo rating estimation

**Features:** macOS Compatibility

**In-app purchases:** none


### Chess Expert Pro

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

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

**In-app purchases:** none


## Frequently asked questions

### Is Turing’s Machine Lite free?

Turing’s Machine Lite is free to download, with no in-app purchases.

### Is Chess Expert Pro free?

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

### Do Turing’s Machine Lite or Chess Expert Pro have ads?

Neither Turing’s Machine Lite nor Chess Expert Pro shows ads.

### Which is updated more often, Turing’s Machine Lite or Chess Expert Pro?

Turing’s Machine Lite ships an update every 9 months, and Chess Expert Pro weekly. Most recently, Turing’s Machine Lite was updated on October 24, 2026 and Chess Expert Pro on October 4, 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.*