# Stack Storm 3D vs Sudoku

The clearest difference is ads: Stack Storm 3D at none against Sudoku's shown. Stack Storm 3D also leads on device support (3 vs 1) and iOS requirement (13.0 vs 17.6). Sudoku's advantage is update cadence (every 2 days vs every 11 days). On price 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.

Stack Storm 3D ships an update every 11 days, Sudoku every 2 days. The most recent releases landed on October 15, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Stack Storm 3D | Sudoku |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 11 days | **Every 2 days** |
| Size | 73 MB | 6 MB |
| Requires iOS | **13.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Arvind Pavasiya](https://appshunter.io/developer/1797859787) | [Emre Aydemir](https://appshunter.io/developer/1831673474) |

## What reviewers say

### Stack Storm 3D

[App page](https://appshunter.io/ios/app/stack-storm-3d/id6742342197)

**Features:** macOS Compatibility

**In-app purchases:** none


### Sudoku

[App page](https://appshunter.io/ios/app/sudoku-smart-puzzle-game/id6749671642)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Stack Storm 3D free?

Stack Storm 3D is free to download, with no in-app purchases.

### Is Sudoku free?

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

### Do Stack Storm 3D or Sudoku have ads?

Sudoku shows ads; Stack Storm 3D does not.

### Which is updated more often, Stack Storm 3D or Sudoku?

Stack Storm 3D ships an update every 11 days, and Sudoku every 2 days. Most recently, Stack Storm 3D was updated on October 15, 2026 and Sudoku 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.*