# LOOP vs Slitherlink

The clearest difference is in-app purchases: Slitherlink at none against LOOP's 1. Slitherlink also leads on update cadence (every 4 days vs every 4 weeks). LOOP's advantage is ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

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

LOOP ships an update every 4 weeks, Slitherlink every 4 days. The most recent releases landed on October 9, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | LOOP | Slitherlink |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 4 weeks | **Every 4 days** |
| Size | 1 MB | 16 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [torankirite](https://appshunter.io/developer/1883564850) | [Byeongjin Lee](https://appshunter.io/developer/1448019552) |

## What reviewers say

### LOOP

[App page](https://appshunter.io/ios/app/loop-slitherlink-puzzle/id6786162760)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $4.99 | one-time |


### Slitherlink

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

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

**In-app purchases:** none


## Frequently asked questions

### Is LOOP free?

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

### Is Slitherlink free?

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

### Do LOOP or Slitherlink have ads?

Slitherlink shows ads; LOOP does not.

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

LOOP ships an update every 4 weeks, and Slitherlink every 4 days. Most recently, LOOP was updated on October 9, 2026 and Slitherlink on October 4, 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.*