# Proelium vs Chess960 ™

The clearest difference is in-app purchases: Proelium at none against Chess960 ™'s 1. Proelium also leads on update cadence (every 2 months vs every 10 months). Chess960 ™'s advantage is iOS requirement (13.0 vs 15.6). On price, ads and device support there is nothing between them.

Both are free to download. Chess960 ™ sells 1 one-off in-app purchase. Proelium asks for nothing beyond the download.

Proelium ships an update every 2 months, Chess960 ™ every 10 months. The most recent releases landed on September 11, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | Proelium | Chess960 ™ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.4 (61 ratings)](https://appshunter.io/ios/app/chess960/id6478382405/reviews)** |
| Number of ratings | — | **61** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 10 months |
| Monetization | — | Free with in-app purchases |
| Size | 4 MB | 69 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SERGIO COPETE GARCIA](https://appshunter.io/developer/1704859104) | [VM Mobile Team](https://appshunter.io/developer/646128457) |

## What reviewers say

### Proelium

[App page](https://appshunter.io/ios/app/proelium/id6463732580)

**Features:** macOS Compatibility

**In-app purchases:** none


### Chess960 ™

[App page](https://appshunter.io/ios/app/chess960/id6478382405)

Experience a unique chess variant where the starting position of pieces changes with each game. Test your strategic thinking with fresh challenges and play against AI or friends. Customize your game with different themes and join a growing community.

**Highlights:** Randomized starting positions, Play against AI or friends, Progress from beginner to pro, Customizable pieces and boards, Community sharing and leaderboards

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $3.99 | one-time |


## Frequently asked questions

### Is Proelium free?

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

### Is Chess960 ™ free?

Chess960 ™ is free to download, with in-app purchases available.

### Do Proelium or Chess960 ™ have ads?

Neither Proelium nor Chess960 ™ shows ads.

### Which is updated more often, Proelium or Chess960 ™?

Proelium ships an update every 2 months, and Chess960 ™ every 10 months. Most recently, Proelium was updated on September 11, 2026 and Chess960 ™ on September 25, 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.*