# Slitherlink vs Pencil Logic

The clearest difference is in-app purchases: Slitherlink at none against Pencil Logic's 1. Pencil Logic's advantage is iOS requirement (15.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Pencil Logic sells 1 one-off in-app purchase. Slitherlink asks for nothing beyond the download.

## The numbers

| Metric | Slitherlink | Pencil Logic |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 4 days | — |
| Size | 16 MB | 23 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Byeongjin Lee](https://appshunter.io/developer/1448019552) | [Muhammad Arqam](https://appshunter.io/developer/1845547957) |

## What reviewers say

### Slitherlink

[App page](https://appshunter.io/ios/app/slitherlink-loop-puzzle/id6797521877)

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

**In-app purchases:** none


### Pencil Logic

[App page](https://appshunter.io/ios/app/pencil-logic-slitherlink/id6801484863)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $6.99 | one-time |


## Frequently asked questions

### Is Slitherlink free?

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

### Is Pencil Logic free?

Pencil Logic is free to download, with in-app purchases available.

### Do Slitherlink or Pencil Logic have ads?

Both Slitherlink and Pencil Logic show ads.

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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.*