# K.O. Slitherlink vs NumberLink

The clearest difference is in-app purchases: K.O. Slitherlink at none against NumberLink's 4. NumberLink's advantage is update cadence (every 10 days vs every 4 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. NumberLink sells 4 in-app purchases, starting at $1.99 per month. K.O. Slitherlink asks for nothing beyond the download.

K.O. Slitherlink ships an update every 4 months, NumberLink every 10 days. Both last shipped on November 3, 2026.

## The numbers

| Metric | K.O. Slitherlink | NumberLink |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/numberlink-connect-numbers/id1642847054/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 4 months | **Every 10 days** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 35 MB | 67 MB |
| Requires iOS | **15.0** | 15.5 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [又瑞 韦](https://appshunter.io/developer/1625836878) | [建明 顾](https://appshunter.io/developer/1637867417) |

## What reviewers say

### K.O. Slitherlink

[App page](https://appshunter.io/ios/app/ko-slitherlink/id1629925581)

This game offers a collection of Slitherlink puzzles with grid sizes from 2x2 to 10x10. Solve logic puzzles by connecting points to form a single loop, following number clues around the grid.

**Highlights:** Supports 2x2 to 10x10 grids, Abundant puzzle store, Slitherlink logic rules, Single continuous loop formation, Number clue system

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

**In-app purchases:** none


### NumberLink

[App page](https://appshunter.io/ios/app/numberlink-connect-numbers/id1642847054)

Connect matching numbered pairs with continuous paths, filling every cell on the grid. Enjoy over 1,000 logic puzzles with intuitive swipe controls and helpful tips. Play offline anytime for calm brain training.

**Highlights:** 1,000+ puzzles, Finger-draw paths, Undo/redo functionality, Tip mode, Offline play, Multiple board sizes

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $1.99 | per month |
| 600 COINS | $1.99 | one-time |
| 1800 COINS | $3.99 | one-time |
| 3600 COINS | $5.99 | one-time |


## Frequently asked questions

### Is K.O. Slitherlink free?

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

### Is NumberLink free?

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

### Do K.O. Slitherlink or NumberLink have ads?

Both K.O. Slitherlink and NumberLink show ads.

### Which is updated more often, K.O. Slitherlink or NumberLink?

K.O. Slitherlink ships an update every 4 months, and NumberLink every 10 days. Most recently, K.O. Slitherlink was updated on November 3, 2026 and NumberLink on November 3, 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.*