# π Challenge vs Cube Coach

The clearest difference is in-app purchases: π Challenge at none against Cube Coach's 1. π Challenge also leads on ads (none vs shown) and iOS requirement (13.0 vs 17.0). Cube Coach's advantage is update cadence (every 9 days vs every 9 months). On price and device support there is nothing between them.

Both are free to download. Cube Coach sells 1 one-off in-app purchase. π Challenge asks for nothing beyond the download.

π Challenge ships an update every 9 months, Cube Coach every 9 days. The most recent releases landed on October 10, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | π Challenge | Cube Coach |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 9 months | **Every 9 days** |
| Size | 29 MB | 6 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Warashibe Tech LLC](https://appshunter.io/developer/1567747524) | [Yonghao Xu](https://appshunter.io/developer/1896473497) |

## What reviewers say

### π Challenge

[App page](https://appshunter.io/ios/app/challenge/id6743357759)

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

**In-app purchases:** none


### Cube Coach

[App page](https://appshunter.io/ios/app/cube-coach-3x3-solver-and-timer/id6770179692)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Master the Cube | $8.99 | one-time |


## Frequently asked questions

### Is π Challenge free?

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

### Is Cube Coach free?

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

### Do π Challenge or Cube Coach have ads?

Cube Coach shows ads; π Challenge does not.

### Which is updated more often, π Challenge or Cube Coach?

π Challenge ships an update every 9 months, and Cube Coach every 9 days. Most recently, π Challenge was updated on October 10, 2026 and Cube Coach on October 8, 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.*