# The challenge is impossible vs Ring Color Sort

The clearest difference is ads: The challenge is impossible at none against Ring Color Sort's shown. Ring Color Sort's advantage is update cadence (every 6 months vs every 78 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

The challenge is impossible ships an update every 78 months, Ring Color Sort every 6 months. The most recent releases landed on October 8, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | The challenge is impossible | Ring Color Sort |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 78 months | **Every 6 months** |
| Size | 35 MB | 71 MB |
| Requires iOS | 12.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [志荣 胡](https://appshunter.io/developer/1057018236) | [Arjun Cherukuri](https://appshunter.io/developer/1064867066) |

## What reviewers say

### The challenge is impossible

[App page](https://appshunter.io/ios/app/the-challenge-is-impossible/id1384619971)

**Features:** macOS Compatibility

**In-app purchases:** none


### Ring Color Sort

[App page](https://appshunter.io/ios/app/ring-color-sort/id6449821553)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is The challenge is impossible free?

The challenge is impossible is free to download, with no in-app purchases.

### Is Ring Color Sort free?

Ring Color Sort is free to download, with no in-app purchases.

### Do The challenge is impossible or Ring Color Sort have ads?

Ring Color Sort shows ads; The challenge is impossible does not.

### Which is updated more often, The challenge is impossible or Ring Color Sort?

The challenge is impossible ships an update every 78 months, and Ring Color Sort every 6 months. Most recently, The challenge is impossible was updated on October 8, 2026 and Ring Color Sort on October 10, 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.*