# Slitherlink vs Thunk Game

The clearest difference is in-app purchases: Slitherlink at none against Thunk Game's 1. Slitherlink also leads on iOS requirement (15.0 vs 26.0). Thunk Game's advantage is ads (none vs shown). On price, update cadence and device support there is nothing between them.

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

Slitherlink ships an update weekly, Thunk Game every 4 days. The most recent releases landed on October 15, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Slitherlink | Thunk Game |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/thunk-game/id6779799401/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Weekly | **Every 4 days** |
| Monetization | — | Free |
| Size | 107 MB | 4 MB |
| Requires iOS | **15.0** | 26.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [nineclove](https://appshunter.io/developer/305610030) | [Johann Flores](https://appshunter.io/developer/1679450956) |

## 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


### Thunk Game

[App page](https://appshunter.io/ios/app/thunk-game/id6779799401)

This brain-teaser app offers a calming puzzle experience that starts simple and gradually increases in difficulty. Its clean design focuses on the puzzle itself, making it ideal for quick play sessions or extended challenges. It's designed for a wide audience, promoting focus and logic.

**Highlights:** Progressively challenging puzzles, Quick to learn, hard to master, Distraction-free design, Improves focus and logic, Suitable for all ages

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Thunk Pro | $2.99 | one-time |


## Frequently asked questions

### Is Slitherlink free?

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

### Is Thunk Game free?

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

### Do Slitherlink or Thunk Game have ads?

Slitherlink shows ads; Thunk Game does not.

### Which is updated more often, Slitherlink or Thunk Game?

Slitherlink ships an update weekly, and Thunk Game every 4 days. Most recently, Slitherlink was updated on October 15, 2026 and Thunk Game on October 5, 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.*