# Loop Logic vs Slitherlink

The clearest difference is in-app purchases: Slitherlink at none against Loop Logic's 10. Slitherlink also leads on update cadence (weekly vs every 6 weeks). Loop Logic'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 Logic sells 10 in-app purchases, starting at $1.99 per month. Slitherlink asks for nothing beyond the download.

Loop Logic ships an update every 6 weeks, Slitherlink weekly. The most recent releases landed on October 4, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Loop Logic | Slitherlink |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 6 weeks | **Weekly** |
| Monetization | Free with in-app purchases | — |
| Size | 68 MB | 107 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Takumi Yaguchi](https://appshunter.io/developer/1778206152) | [nineclove](https://appshunter.io/developer/305610030) |

## What reviewers say

### 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 |


### Slitherlink

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

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

**In-app purchases:** none


## Frequently asked questions

### Is Loop Logic free?

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

### Is Slitherlink free?

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

### Do Loop Logic or Slitherlink have ads?

Slitherlink shows ads; Loop Logic does not.

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

Loop Logic ships an update every 6 weeks, and Slitherlink weekly. Most recently, Loop Logic was updated on October 4, 2026 and Slitherlink on October 1, 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.*