# Play AI Chess vs Oddfish

The clearest difference is in-app purchases: Play AI Chess at none against Oddfish's 1. Play AI Chess also leads on iOS requirement (15.1 vs 18.0). Oddfish's advantage is update cadence (daily vs every 3 weeks). On price, ads and device support there is nothing between them.

Both are free to download. Oddfish sells 1 one-off in-app purchase. Play AI Chess asks for nothing beyond the download.

Play AI Chess ships an update every 3 weeks, Oddfish daily. Both last shipped on October 31, 2026.

## The numbers

| Metric | Play AI Chess | Oddfish |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Daily** |
| Size | 11 MB | 110 MB |
| Requires iOS | **15.1** | 18.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | +4 | 4+ |
| Developer | [AKlaus Tecnologia LTDA](https://appshunter.io/developer/1616178461) | [JOHN EBENEZER JOHNSON](https://appshunter.io/developer/1882112585) |

## What reviewers say

### Play AI Chess

[App page](https://appshunter.io/ios/app/play-ai-chess/id6743376991)

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

**In-app purchases:** none


### Oddfish

[App page](https://appshunter.io/ios/app/oddfish-strange-chess/id6808770307)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Oddfish | $4.99 | one-time |


## Frequently asked questions

### Is Play AI Chess free?

Play AI Chess is free to download, with no in-app purchases.

### Is Oddfish free?

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

### Do Play AI Chess or Oddfish have ads?

Neither Play AI Chess nor Oddfish shows ads.

### Which is updated more often, Play AI Chess or Oddfish?

Play AI Chess ships an update every 3 weeks, and Oddfish daily. Most recently, Play AI Chess was updated on October 31, 2026 and Oddfish on October 31, 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.*