# Chess Vision Rush vs Blunderzone

The clearest difference is ads: Blunderzone at none against Chess Vision Rush's shown. Blunderzone also leads on iOS requirement (13.0 vs 15.0). Chess Vision Rush's advantage is update cadence (weekly vs every 3 weeks). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Chess Vision Rush sells 1 one-off in-app purchase and Blunderzone sells 2 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

Chess Vision Rush ships an update weekly, Blunderzone every 3 weeks. The most recent releases landed on September 19, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Chess Vision Rush | Blunderzone |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Weekly** | Every 3 weeks |
| Size | 114 MB | 180 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Grouper Games LLC](https://appshunter.io/developer/1735295619) | [RANKA s.r.o.](https://appshunter.io/developer/352576574) |

## What reviewers say

### Chess Vision Rush

[App page](https://appshunter.io/ios/app/chess-vision-rush/id6759258341)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Version | $1.99 | one-time |


### Blunderzone

[App page](https://appshunter.io/ios/app/blunderzone/id6763366751)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Blunderzone Basic | $3.99 | per month |
| Blunderzone Premium | $6.99 | per month |


## Frequently asked questions

### Is Chess Vision Rush free?

Chess Vision Rush is free to download, with in-app purchases available.

### Is Blunderzone free?

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

### Do Chess Vision Rush or Blunderzone have ads?

Chess Vision Rush shows ads; Blunderzone does not.

### Which is updated more often, Chess Vision Rush or Blunderzone?

Chess Vision Rush ships an update weekly, and Blunderzone every 3 weeks. Most recently, Chess Vision Rush was updated on September 19, 2026 and Blunderzone on September 17, 2026.

---

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