# OpenChess vs CPChess

The clearest difference is iOS requirement: OpenChess at 12.0 against CPChess's 15.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. OpenChess sells 10 one-off in-app purchases and CPChess sells 6 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

OpenChess ships an update fortnightly, CPChess every 2 weeks. Both last shipped on October 15, 2026.

## The numbers

| Metric | OpenChess | CPChess |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/openchess-an-opening-explorer/id6504700904/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 2 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 57 MB | 25 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [David Bryant](https://appshunter.io/developer/1559648957) | [CPChess, Inc.](https://appshunter.io/developer/1889241246) |

## What reviewers say

### 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 |


### CPChess

[App page](https://appshunter.io/ios/app/cpchess/id6761380059)

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 50 Coins | $1.99 | one-time |
| 200 Coins | $4.99 | one-time |
| 500 Coins | $8.99 | one-time |
| Strategic Depth Course | $12.99 | one-time |
| Grandmaster Concepts | $12.99 | one-time |
| Live Games Pass | $49.99 | one-time |


## Frequently asked questions

### Is OpenChess free?

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

### Is CPChess free?

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

### Do OpenChess or CPChess have ads?

Neither OpenChess nor CPChess shows ads.

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

OpenChess ships an update fortnightly, and CPChess every 2 weeks. Most recently, OpenChess was updated on October 15, 2026 and CPChess 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.*