# Slitherlink vs Sudoku

The clearest difference is ads: Sudoku at none against Slitherlink's shown. Slitherlink's advantage is iOS requirement (15.0 vs 18.1). On price, update cadence, in-app purchases and device support there is nothing between them.

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

Slitherlink ships an update weekly, Sudoku every 10 days. The most recent releases landed on October 15, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Slitherlink | Sudoku |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Weekly** | Every 10 days |
| Size | 107 MB | 3 MB |
| Requires iOS | **15.0** | 18.1 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [nineclove](https://appshunter.io/developer/305610030) | [Carl Emil Olle Skoglund](https://appshunter.io/developer/1667664501) |

## What reviewers say

### Slitherlink

[App page](https://appshunter.io/ios/app/slitherlink-number-loop/id6759080379)

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

**In-app purchases:** none


### Sudoku

[App page](https://appshunter.io/ios/app/sudoku-grid-master/id6761785498)

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

**In-app purchases:** none


## Frequently asked questions

### Is Slitherlink free?

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

### Is Sudoku free?

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

### Do Slitherlink or Sudoku have ads?

Slitherlink shows ads; Sudoku does not.

### Which is updated more often, Slitherlink or Sudoku?

Slitherlink ships an update weekly, and Sudoku every 10 days. Most recently, Slitherlink was updated on October 15, 2026 and Sudoku on October 9, 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.*