# Nim Challenge vs Circrix

The clearest difference is ads: Nim Challenge at none against Circrix's shown. Nim Challenge also leads on update cadence (daily vs every 5 days). 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.

Nim Challenge ships an update daily, Circrix every 5 days. The most recent releases landed on October 18, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Nim Challenge | Circrix |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/nim-challenge/id6742116085/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Daily** | Every 5 days |
| Monetization | Free | — |
| Size | 11 MB | 6 MB |
| Requires iOS | **17.0** | 18.1 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Gilbert Gonsalves](https://appshunter.io/developer/492123194) | [Onur BENLI](https://appshunter.io/developer/1893551487) |

## What reviewers say

### Nim Challenge

[App page](https://appshunter.io/ios/app/nim-challenge/id6742116085)

Engage in a strategic game of Nim against your iPhone. Test your skills to see if you can master the game and avoid losing. Discover how quickly you can achieve victory.

**Highlights:** Play Nim against iPhone AI, Master strategic gameplay, Track learning time, Simple interface

**Features:** macOS Compatibility

**In-app purchases:** none


### Circrix

[App page](https://appshunter.io/ios/app/circrix-logic-puzzle/id6762252289)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Nim Challenge free?

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

### Is Circrix free?

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

### Do Nim Challenge or Circrix have ads?

Circrix shows ads; Nim Challenge does not.

### Which is updated more often, Nim Challenge or Circrix?

Nim Challenge ships an update daily, and Circrix every 5 days. Most recently, Nim Challenge was updated on October 18, 2026 and Circrix on October 3, 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.*