# Slitherlink vs Loop Logic

The clearest difference is in-app purchases: Slitherlink at none against Loop Logic's 10. Slitherlink also leads on update cadence (every 3 weeks vs every 6 weeks). Loop Logic's advantage is ads (none vs shown) and iOS requirement (15.1 vs 17.0). On price and device support there is nothing between them.

Both are free to download. Loop Logic sells 10 in-app purchases, starting at $1.99 per month. Slitherlink asks for nothing beyond the download.

Slitherlink ships an update every 3 weeks, Loop Logic every 6 weeks. The most recent releases landed on September 29, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Slitherlink | Loop Logic |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 3 weeks** | Every 6 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 6 MB | 68 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Ting Yeung](https://appshunter.io/developer/1773356322) | [Takumi Yaguchi](https://appshunter.io/developer/1778206152) |

## What reviewers say

### Slitherlink

[App page](https://appshunter.io/ios/app/slitherlink-daily-challenge/id6742373591)

**Features:** macOS Compatibility

**In-app purchases:** none


### Loop Logic

[App page](https://appshunter.io/ios/app/loop-logic/id6758883537)

Engage your mind with a logic puzzle game where you connect dots to form a single, continuous loop. Utilize number clues to solve over 30,000 handcrafted puzzles without any guesswork. Enjoy an ad-free, offline experience with various difficulty levels and an engaging Adventure Mode.

**Highlights:** Connect dots to form a single loop, Solve using number clues and logic, Over 30,000 handcrafted puzzles, Multiple board sizes and difficulty levels, Adventure Mode with daily challenges, Offline play, No ads

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Master Plan | $1.99 | per month |
| Legend Plan | $2.99 | per month |
| SP Pack Small | $0.99 | one-time |
| SP Pack Small (double) | $0.99 | one-time |
| SP Pack Medium | $2.99 | one-time |
| SP Pack Medium (double) | $2.99 | one-time |
| SP Pack Large | $6.99 | one-time |
| SP Pack Large (double) | $6.99 | one-time |
| SP Pack Extra | $14.99 | one-time |
| SP Pack Extra (double) | $14.99 | one-time |


## Frequently asked questions

### Is Slitherlink free?

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

### Is Loop Logic free?

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

### Do Slitherlink or Loop Logic have ads?

Slitherlink shows ads; Loop Logic does not.

### Which is updated more often, Slitherlink or Loop Logic?

Slitherlink ships an update every 3 weeks, and Loop Logic every 6 weeks. Most recently, Slitherlink was updated on September 29, 2026 and Loop Logic 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.*