# Image Slide Puzzle vs CoKu

The clearest difference is in-app purchases: Image Slide Puzzle at none against CoKu's 3. Image Slide Puzzle also leads on update cadence (every 3 months vs every 7 months) and ratings volume (16 vs 3). CoKu's advantage is ads (none vs shown) and rating (5.0 vs 4.6). On price, review sentiment and device support there is nothing between them.

Both are free to download. CoKu sells 3 one-off in-app purchases. Image Slide Puzzle asks for nothing beyond the download.

CoKu holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Image Slide Puzzle has 16 ratings behind it against 3, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.

Image Slide Puzzle ships an update every 3 months, CoKu every 7 months. The most recent releases landed on October 24, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Image Slide Puzzle | CoKu |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (16 ratings)](https://appshunter.io/ios/app/image-slide-puzzle-classic/id6563147935/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/coku/id6740406917/reviews)** |
| Number of ratings | **16** | 3 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 3 months** | Every 7 months |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 144 MB | 15 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Hirokazu Uno](https://appshunter.io/developer/1570016990) | [Frank J Guzzone](https://appshunter.io/developer/1789786093) |

## What reviewers say

### Image Slide Puzzle

[App page](https://appshunter.io/ios/app/image-slide-puzzle-classic/id6563147935)

A classic sliding block puzzle game that challenges players to rearrange image pieces into their correct positions. Enjoy a simple yet engaging experience with this timeless brain teaser.

**Highlights:** Classic sliding block puzzle gameplay, Rearrange image blocks, Simple and engaging mechanics, Timeless brain teaser

**In-app purchases:** none


### CoKu

[App page](https://appshunter.io/ios/app/coku/id6740406917)

A modern take on Sudoku, this puzzle game replaces numbers with colors. Solve challenges by ensuring no repeated colors in rows, columns, or blocks. Unlock tools and progress through various difficulty levels.

**Highlights:** Color-based Sudoku gameplay, Daily Challenge mode, Mini Game modes, Draw Mode for custom boards, Multiple difficulty levels, Unlockable tools and bonuses, Dark mode optimization

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 500 Stars | $0.99 | one-time |
| 2,500 Stars | $2.99 | one-time |
| 5,000 Stars | $4.99 | one-time |


## Frequently asked questions

### Is Image Slide Puzzle free?

Image Slide Puzzle is free to download, with no in-app purchases.

### Is CoKu free?

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

### Which has better reviews, Image Slide Puzzle or CoKu?

CoKu is rated higher. Image Slide Puzzle averages 4.6 out of 5 from 16 ratings, while CoKu averages 5.0 from 3 ratings.

### Do Image Slide Puzzle or CoKu have ads?

Image Slide Puzzle shows ads; CoKu does not.

### Which is updated more often, Image Slide Puzzle or CoKu?

Image Slide Puzzle ships an update every 3 months, and CoKu every 7 months. Most recently, Image Slide Puzzle was updated on October 24, 2026 and CoKu on October 10, 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.*