# Sudoku Mastermind vs Fish Matching!

The clearest difference is update cadence: Fish Matching! at every 2 weeks against Sudoku Mastermind's every 4 months. Fish Matching! also leads on iOS requirement (15.0 vs 17.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Sudoku Mastermind sells 1 one-off in-app purchase and Fish Matching! sells 7 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Sudoku Mastermind ships an update every 4 months, Fish Matching! every 2 weeks. The most recent releases landed on October 30, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Sudoku Mastermind | Fish Matching! |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 4 months | **Every 2 weeks** |
| Size | 19 MB | 123 MB |
| Requires iOS | 17.6 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Robin Dufour](https://appshunter.io/developer/1819249965) | [Osama Alaaelden](https://appshunter.io/developer/6772807910) |

## What reviewers say

### Sudoku Mastermind

[App page](https://appshunter.io/ios/app/sudoku-mastermind/id6754221226)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

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


### Fish Matching!

[App page](https://appshunter.io/ios/app/fish-matching/id6773623927)

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| removead | $1.99 | one-time |
| tile_special_offer | $1.99 | one-time |
| coin_1000 | $2.99 | one-time |
| deluxe_bundle | $4.99 | one-time |
| coin_2000 | $5.99 | one-time |
| coin_5000 | $7.99 | one-time |
| premium_bundle | $9.99 | one-time |


## Frequently asked questions

### Is Sudoku Mastermind free?

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

### Is Fish Matching! free?

Fish Matching! is free to download, with in-app purchases available.

### Do Sudoku Mastermind or Fish Matching! have ads?

Both Sudoku Mastermind and Fish Matching! show ads.

### Which is updated more often, Sudoku Mastermind or Fish Matching!?

Sudoku Mastermind ships an update every 4 months, and Fish Matching! every 2 weeks. Most recently, Sudoku Mastermind was updated on October 30, 2026 and Fish Matching! on November 5, 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.*