# Nonogram Color Book vs K.O. Nonogram

The clearest difference is rating: K.O. Nonogram at 5.0 against Nonogram Color Book's 4.2. K.O. Nonogram also leads on in-app purchases (none vs 10) and review sentiment (85% vs 66%). Nonogram Color Book's advantage is ratings volume (67 vs 2) and iOS requirement (10.0 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. Nonogram Color Book sells 10 one-off in-app purchases. K.O. Nonogram asks for nothing beyond the download.

K.O. Nonogram holds the better App Store score, 5.0 against 4.2. That said, the two scores are not equally well evidenced: Nonogram Color Book has 67 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 66% of Nonogram Color Book's written reviews are positive against 85% of K.O. Nonogram's.

Nonogram Color Book ships an update fortnightly, K.O. Nonogram every 5 days. The most recent releases landed on November 3, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | Nonogram Color Book | K.O. Nonogram |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.2 (67 ratings)](https://appshunter.io/ios/app/nonogram-color-book/id1563541560/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/ko-nonogram/id1626831214/reviews)** |
| Number of ratings | **67** | 2 |
| Positive reviews | 65.5% of reviews | **85.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Fortnightly | **Every 5 days** |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 197 MB | 42 MB |
| Requires iOS | **10.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ORANGE GAME PTE. LTD.](https://appshunter.io/developer/1732385073) | [又瑞 韦](https://appshunter.io/developer/1625836878) |

## What reviewers say

### Nonogram Color Book

[App page](https://appshunter.io/ios/app/nonogram-color-book/id1563541560)

Engage your logic and creativity in this picture cross puzzle game. Use number clues to reveal hidden pixel art by filling in or marking cells. Enjoy thousands of levels and various game modes.

**Highlights:** Logic-based picture cross puzzles, Reveal hidden pixel art, Thousands of carefully crafted levels, Multiple difficulty levels, Daily Challenge, Limited Time Events, Level Ladder, Puzzle Picture modes, Collection room to replay favorite levels

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| TINY COIN PACK | $2.99 | one-time |
| BEGINNER HINT BUNDLE | $2.99 | one-time |
| SMALL COIN PACK | $4.99 | one-time |
| BEGINNER LIFE BUNDLE | $4.99 | one-time |
| Remove Ads | $4.99 | one-time |
| MEDIUM COIN PACK | $9.99 | one-time |
| ADVANCE LIFE BUNDLE | $9.99 | one-time |
| MEGA HINT BUNDLE | $24.99 | one-time |
| SUPER LIFE BUNDLE | $24.99 | one-time |
| MEGA LIFE BUNDLE | $49.99 | one-time |


### K.O. Nonogram

[App page](https://appshunter.io/ios/app/ko-nonogram/id1626831214)

Instantly solve Nonogram puzzles with step-by-step guidance. Supports grids from 5x5 to 50x50. Explore a vast online store for printable puzzles.

**Highlights:** Instant puzzle solving, Step-by-step guidance, Supports 5-50 grid sizes, Online puzzle store, Printable puzzle support

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

**In-app purchases:** none


## Frequently asked questions

### Is Nonogram Color Book free?

Nonogram Color Book is free to download, with in-app purchases available.

### Is K.O. Nonogram free?

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

### Which has better reviews, Nonogram Color Book or K.O. Nonogram?

K.O. Nonogram is rated higher. Nonogram Color Book averages 4.2 out of 5 from 67 ratings, while K.O. Nonogram averages 5.0 from 2 ratings.

### Do Nonogram Color Book or K.O. Nonogram have ads?

Both Nonogram Color Book and K.O. Nonogram show ads.

### Which is updated more often, Nonogram Color Book or K.O. Nonogram?

Nonogram Color Book ships an update fortnightly, and K.O. Nonogram every 5 days. Most recently, Nonogram Color Book was updated on November 3, 2026 and K.O. Nonogram on November 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.*