# 4x4 SUDOKU mini vs Fly Chick!

The clearest difference is iOS requirement: 4x4 SUDOKU mini at 15.0 against Fly Chick!'s 17.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. 4x4 SUDOKU mini sells 1 one-off in-app purchase and Fly Chick! sells 3 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

4x4 SUDOKU mini ships an update monthly, Fly Chick! every 3 weeks. The most recent releases landed on October 30, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | 4x4 SUDOKU mini | Fly Chick! |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 167 MB | 26 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [Works Inc.](https://appshunter.io/developer/1276087920) | [kazunobu nakasaka](https://appshunter.io/developer/1868365188) |

## What reviewers say

### 4x4 SUDOKU mini

[App page](https://appshunter.io/ios/app/4x4-sudoku-mini/id6744632958)

Enjoy a quick and engaging 4x4 Sudoku experience designed for fast gameplay. Perfect for short breaks, this app offers high-quality puzzles from a renowned creator. It's ideal for beginners and those who prefer a simpler, visually clear puzzle format.

**Highlights:** Fast-paced 4x4 mini Sudoku, Puzzles by Naoki Inaba, Hint feature with explanations, Beginner-friendly, Large text for easy viewing, Ideal for short breaks

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $7.99 | one-time |


### Fly Chick!

[App page](https://appshunter.io/ios/app/fly-chick/id6757701977)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 広告削除（1ヶ月） | $4.99 | per month |
| 広告削除（3ヶ月） | $12.99 | per 3 months |
| 広告削除（6ヶ月） | $24.99 | per 6 months |


## Frequently asked questions

### Is 4x4 SUDOKU mini free?

4x4 SUDOKU mini is free to download, with in-app purchases available.

### Is Fly Chick! free?

Fly Chick! is free to download, with in-app purchases available.

### Do 4x4 SUDOKU mini or Fly Chick! have ads?

Both 4x4 SUDOKU mini and Fly Chick! show ads.

### Which is updated more often, 4x4 SUDOKU mini or Fly Chick!?

4x4 SUDOKU mini ships an update monthly, and Fly Chick! every 3 weeks. Most recently, 4x4 SUDOKU mini was updated on October 30, 2026 and Fly Chick! 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.*