# Fill Blocks! vs SUDOKU

The clearest difference is iOS requirement: Fill Blocks! at 12.0 against SUDOKU's 15.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Fill Blocks! ships an update every 4 days, SUDOKU every 2 days. The most recent releases landed on November 4, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Fill Blocks! | SUDOKU |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 4 days | **Every 2 days** |
| Size | 175 MB | 40 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ezgi Evrensel](https://appshunter.io/developer/1664776677) | [SUNG YOL BAE](https://appshunter.io/developer/1876744490) |

## What reviewers say

### Fill Blocks!

[App page](https://appshunter.io/ios/app/fill-blocks/id6480924092)

**Features:** macOS Compatibility

**In-app purchases:** none


### SUDOKU

[App page](https://appshunter.io/ios/app/sudoku-simple-brain-puzzle/id6759081233)

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

**In-app purchases:** none


## Frequently asked questions

### Is Fill Blocks! free?

Fill Blocks! is free to download, with no in-app purchases.

### Is SUDOKU free?

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

### Do Fill Blocks! or SUDOKU have ads?

Both Fill Blocks! and SUDOKU show ads.

### Which is updated more often, Fill Blocks! or SUDOKU?

Fill Blocks! ships an update every 4 days, and SUDOKU every 2 days. Most recently, Fill Blocks! was updated on November 4, 2026 and SUDOKU on October 28, 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.*