# Cynus Chess vs Blundr

The clearest difference is in-app purchases: Cynus Chess at none against Blundr's 2. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Blundr sells 2 in-app purchases, starting at $12.99 per month. Cynus Chess asks for nothing beyond the download.

Cynus Chess ships an update weekly, Blundr every 4 days. The most recent releases landed on October 9, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Cynus Chess | Blundr |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Weekly | **Every 4 days** |
| Size | 46 MB | 32 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [shenzhen didijin technology co., Ltd](https://appshunter.io/developer/1552689874) | [Christopher Macier](https://appshunter.io/developer/1873602494) |

## What reviewers say

### Cynus Chess

[App page](https://appshunter.io/ios/app/cynus-chess/id6768563114)

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

**In-app purchases:** none


### Blundr

[App page](https://appshunter.io/ios/app/blundr/id6771425215)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Blundr Pro | $12.99 | per month |
| Blundr Pro | $104.99 | per year |


## Frequently asked questions

### Is Cynus Chess free?

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

### Is Blundr free?

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

### Do Cynus Chess or Blundr have ads?

Neither Cynus Chess nor Blundr shows ads.

### Which is updated more often, Cynus Chess or Blundr?

Cynus Chess ships an update weekly, and Blundr every 4 days. Most recently, Cynus Chess was updated on October 9, 2026 and Blundr on October 24, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*