# Cuspart vs Sudoku Master Challenges

The clearest difference is update cadence: Sudoku Master Challenges at every 3 days against Cuspart's every 13 months. Sudoku Master Challenges also leads on device support and iOS requirement (15.0 vs 17.6). On price and in-app purchases there is nothing between them.

Both are free to download. Cuspart sells 7 in-app purchases, starting at $2.99 per month and Sudoku Master Challenges sells 5 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Cuspart ships an update every 13 months, Sudoku Master Challenges every 3 days. Both last shipped on October 24, 2026.

## The numbers

| Metric | Cuspart | Sudoku Master Challenges |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | — | Yes |
| Update frequency | Every 13 months | **Every 3 days** |
| Size | 12 MB | 157 MB |
| Requires iOS | 17.6 | **15.0** |
| Devices | — | **iPhone, iPad, iPod** |
| Age rating | 4+ | 9+ |
| Developer | [Mustafa Tolga DALBUDAK](https://appshunter.io/developer/1479052908) | [Duralı UYUMAZ](https://appshunter.io/developer/6774352963) |

## What reviewers say

### Cuspart

[App page](https://appshunter.io/ios/app/cuspart-sudoku/id6612032875)

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Month Subscription | $2.99 | per month |
| 3 Month Subscription | $8.99 | per 3 months |
| 12 Month Subscription | $29.99 | per year |
| 100 Coins | $2.99 | one-time |
| 500 Coins | $9.99 | one-time |
| 1000 Coins | $19.99 | one-time |
| 2500 Coins | $39.99 | one-time |


### Sudoku Master Challenges

[App page](https://appshunter.io/ios/app/sudoku-master-challenges/id6774352961)

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 100 Energy | $0.99 | one-time |
| 300 WCoin | $0.99 | one-time |
| 50 Energy + 150 WCoin | $0.99 | one-time |
| No Ads + 100 Energy + 300 WCoin | $1.99 | one-time |
| 1000 Energy + 3000 WCoin | $6.99 | one-time |


## Frequently asked questions

### Is Cuspart free?

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

### Is Sudoku Master Challenges free?

Sudoku Master Challenges is free to download, with in-app purchases available.

### Which is updated more often, Cuspart or Sudoku Master Challenges?

Cuspart ships an update every 13 months, and Sudoku Master Challenges every 3 days. Most recently, Cuspart was updated on October 24, 2026 and Sudoku Master Challenges on October 24, 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.*