# Turing’s Machine Lite vs Chess Coach

The clearest difference is in-app purchases: Turing’s Machine Lite at none against Chess Coach's 7. Turing’s Machine Lite also leads on iOS requirement (8.0 vs 16.0). Chess Coach's advantage is update cadence (every 2 days vs every 9 months). On price, ads and device support there is nothing between them.

Both are free to download. Chess Coach sells 7 one-off in-app purchases. Turing’s Machine Lite asks for nothing beyond the download.

Turing’s Machine Lite ships an update every 9 months, Chess Coach every 2 days. The most recent releases landed on November 2, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | Turing’s Machine Lite | Chess Coach |
| --- | --- | --- |
| 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** | Yes |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 2 days** |
| Monetization | Free | — |
| Size | 78 MB | 217 MB |
| Requires iOS | **8.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [DBRG Ltd.](https://appshunter.io/developer/964613425) | [JUAN FRANCISCO JIMENEZ MARTIN](https://appshunter.io/developer/6790447115) |

## 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 Coach

[App page](https://appshunter.io/ios/app/chess-coach-ai-chess-tutor/id6790447113)

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Bronze Donation | $1.49 | one-time |
| 125 Credits | $2.19 | one-time |
| 250 Credits | $2.29 | one-time |
| Silver Donation | $3.29 | one-time |
| 500 Credits | $3.69 | one-time |
| Chess Coach Premium | $5.59 | one-time |
| Gold Donation | $8.39 | one-time |


## Frequently asked questions

### Is Turing’s Machine Lite free?

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

### Is Chess Coach free?

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

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

Neither Turing’s Machine Lite nor Chess Coach shows ads.

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

Turing’s Machine Lite ships an update every 9 months, and Chess Coach every 2 days. Most recently, Turing’s Machine Lite was updated on November 2, 2026 and Chess Coach on November 10, 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.*