# Slitherlink vs K.O. Nonogram Pro

The clearest difference is price: Slitherlink at $0.99 against K.O. Nonogram Pro's $9.99. Slitherlink also leads on iOS requirement (9.0 vs 15.0). K.O. Nonogram Pro's advantage is update cadence (every 6 days vs monthly). On review sentiment, ads, in-app purchases and monetization model there is nothing between them.

Slitherlink costs $0.99 and K.O. Nonogram Pro $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Slitherlink ships an update monthly, K.O. Nonogram Pro every 6 days. The most recent releases landed on October 8, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Slitherlink | K.O. Nonogram Pro |
| --- | --- | --- |
| Price | **$0.99** | $9.99 |
| Rating | **[3.3 (3 ratings)](https://appshunter.io/ios/app/slitherlink-pro/id1552897483/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Monthly | **Every 6 days** |
| Monetization | Paid | Paid |
| Size | 45 MB | 28 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [其跃 吴](https://appshunter.io/developer/660989470) | [又瑞 韦](https://appshunter.io/developer/1625836878) |

## What reviewers say

### Slitherlink

[App page](https://appshunter.io/ios/app/slitherlink-pro/id1552897483)

This is a logical puzzle game where players connect points to form a single loop. Numbers on the board indicate how many lines surround them, guiding players to complete the puzzle. It offers a unique hexagonal grid challenge for brain training.

**Highlights:** Hexagonal grid puzzles, Single loop formation, Number clues for guidance, Logical deduction gameplay, Brain training challenges

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

**In-app purchases:** none


### K.O. Nonogram Pro

[App page](https://appshunter.io/ios/app/ko-nonogram-pro/id6737248261)

This app provides instant solutions and solving steps for Nonogram puzzles. It supports grids from 5x5 to 50x50 and offers features like cloud backup and printing capabilities. Enjoy an ad-free experience with unlimited prompts and access to all puzzles.

**Highlights:** Instant puzzle solutions, Unlimited prompts, Unlock all puzzles, Print puzzles, Cloud backup, Supports 5x5 to 50x50 grids

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

**In-app purchases:** none


## Frequently asked questions

### Is Slitherlink free?

Slitherlink costs $0.99, with no in-app purchases.

### Is K.O. Nonogram Pro free?

K.O. Nonogram Pro costs $9.99, with no in-app purchases.

### Do Slitherlink or K.O. Nonogram Pro have ads?

Both Slitherlink and K.O. Nonogram Pro show ads.

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

Slitherlink ships an update monthly, and K.O. Nonogram Pro every 6 days. Most recently, Slitherlink was updated on October 8, 2026 and K.O. Nonogram Pro on October 7, 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.*