# K.O. Slitherlink vs Slitherlink Diamond

The clearest difference is in-app purchases: K.O. Slitherlink at none against Slitherlink Diamond's 3. Slitherlink Diamond's advantage is ads (none vs shown) and update cadence (every 6 weeks vs every 4 months). On price and device support there is nothing between them.

Both are free to download. Slitherlink Diamond sells 3 one-off in-app purchases. K.O. Slitherlink asks for nothing beyond the download.

K.O. Slitherlink ships an update every 4 months, Slitherlink Diamond every 6 weeks. The most recent releases landed on October 7, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | K.O. Slitherlink | Slitherlink Diamond |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 4 months | **Every 6 weeks** |
| Monetization | Ad-supported | — |
| Size | 35 MB | 64 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [又瑞 韦](https://appshunter.io/developer/1625836878) | [Marcelo Pars](https://appshunter.io/developer/1209823528) |

## 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


### Slitherlink Diamond

[App page](https://appshunter.io/ios/app/slitherlink-diamond/id6753644150)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 5 HINTS | $0.99 | one-time |
| 25 HINTS | $1.99 | one-time |
| 125 HINTS | $2.99 | one-time |


## Frequently asked questions

### Is K.O. Slitherlink free?

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

### Is Slitherlink Diamond free?

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

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

K.O. Slitherlink shows ads; Slitherlink Diamond does not.

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

K.O. Slitherlink ships an update every 4 months, and Slitherlink Diamond every 6 weeks. Most recently, K.O. Slitherlink was updated on October 7, 2026 and Slitherlink Diamond on October 24, 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.*