# iChessOne vs OpenChess

The clearest difference is rating: OpenChess at 5.0 against iChessOne's 4.0. OpenChess also leads on update cadence (fortnightly vs every 6 weeks) and iOS requirement (12.0 vs 15.0). iChessOne's advantage is in-app purchases (none vs 10). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. OpenChess sells 10 one-off in-app purchases. iChessOne asks for nothing beyond the download.

OpenChess holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 2 and 2 respectively.

iChessOne ships an update every 6 weeks, OpenChess fortnightly. The most recent releases landed on October 27, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | iChessOne | OpenChess |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (2 ratings)](https://appshunter.io/ios/app/ichessone/id6447067426/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/openchess-an-opening-explorer/id6504700904/reviews)** |
| Number of ratings | 2 | 2 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Fortnightly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 97 MB | 57 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Janusz Lisowski](https://appshunter.io/developer/1680192609) | [David Bryant](https://appshunter.io/developer/1559648957) |

## What reviewers say

### iChessOne

[App page](https://appshunter.io/ios/app/ichessone/id6447067426)

Experience traditional chess with a smart electronic board. Play online, train with AI, analyze games, and customize your experience with interactive LEDs. It connects the feel of physical pieces with the convenience of modern software for an enhanced chess ecosystem.

**Highlights:** Play online on a real chessboard, Offline play and Stockfish training, Game analysis and PGN export, Interactive LED support, Advanced personalization settings, Board management and firmware updates, Reliable wireless Bluetooth connection

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

**In-app purchases:** none


### OpenChess

[App page](https://appshunter.io/ios/app/openchess-an-opening-explorer/id6504700904)

Master chess openings by playing against a specialized AI. Explore specific defenses or move sequences, and gain insights into positional advantages and piece values. Improve your game from the very first moves.

**Highlights:** Learn specific chess openings, Play against AI focused on opening lines, Analyze positional advantages, Evaluate piece values and mobility, Understand pawn structure, Track defended and attacked pieces

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Tarrasch Defense Opening | $0.99 | one-time |
| Trompowsky Attack Opening | $0.99 | one-time |
| Scandinavian Defense Opening | $0.99 | one-time |
| Three Knights Opening | $0.99 | one-time |
| Zukertort Opening | $0.99 | one-time |
| Van't Kruijs Opening | $0.99 | one-time |
| Vienna Game Opening | $0.99 | one-time |
| Ware Opening | $0.99 | one-time |
| Opening Explorer | $4.99 | one-time |
| OpenChess Premium | $19.99 | one-time |


## Frequently asked questions

### Is iChessOne free?

iChessOne is free to download, with no in-app purchases.

### Is OpenChess free?

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

### Which has better reviews, iChessOne or OpenChess?

OpenChess is rated higher. iChessOne averages 4.0 out of 5 from 2 ratings, while OpenChess averages 5.0 from 2 ratings.

### Do iChessOne or OpenChess have ads?

Neither iChessOne nor OpenChess shows ads.

### Which is updated more often, iChessOne or OpenChess?

iChessOne ships an update every 6 weeks, and OpenChess fortnightly. Most recently, iChessOne was updated on October 27, 2026 and OpenChess on October 15, 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.*