# Crystal Klondike Solitaire vs Doku!

The clearest difference is in-app purchases: Doku! at none against Crystal Klondike Solitaire's 1. Doku! also leads on update cadence (daily vs every 5 months). On price, rating, review sentiment and ratings volume there is nothing between them.

Both are free to download. Crystal Klondike Solitaire sells 1 one-off in-app purchase. Doku! asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Crystal Klondike Solitaire against 5.0 for Doku!. Both are backed by a comparable volume of ratings — 1 and 2 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Crystal Klondike Solitaire ships an update every 5 months, Doku! daily. The most recent releases landed on October 9, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Crystal Klondike Solitaire | Doku! |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/crystal-klondike-solitaire/id1089507571/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/doku/id6798410076/reviews) |
| Number of ratings | 1 | **2** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 5 months | **Daily** |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 16 MB | 79 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Crystal Squid](https://appshunter.io/developer/1004521401) | [Poliglot](https://appshunter.io/developer/6798410078) |

## What reviewers say

### Crystal Klondike Solitaire

[App page](https://appshunter.io/ios/app/crystal-klondike-solitaire/id1089507571)

Experience a classic card game with multiple difficulty levels and customizable card designs. Track your progress with detailed statistics and challenge friends to beat your high scores. Perfect for both casual players and solitaire experts.

**Highlights:** 3 difficulty levels, Full tutorial, Customizable cards, Extensive statistics, Share scores via Game Center, Achievements

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $2.99 | one-time |


### Doku!

[App page](https://appshunter.io/ios/app/doku/id6798410076)

This logic puzzle game challenges you to place dots on a board based on color regions and symbol clues. It offers a daily puzzle to maintain a streak and a journey mode with 150 levels across 11 chapters. Accessibility features and leaderboards are included.

**Highlights:** Daily logic puzzles, 150 levels across 11 chapters, Color vision palettes, Lettered regions for colorblindness, Daily and journey leaderboards, Offline puzzle solving

**In-app purchases:** none


## Frequently asked questions

### Is Crystal Klondike Solitaire free?

Crystal Klondike Solitaire is free to download, with in-app purchases available.

### Is Doku! free?

Doku! is free to download, with no in-app purchases.

### Which has better reviews, Crystal Klondike Solitaire or Doku!?

Crystal Klondike Solitaire and Doku! are both rated 5.0 out of 5 on the App Store, from 1 and 2 ratings respectively.

### Do Crystal Klondike Solitaire or Doku! have ads?

Both Crystal Klondike Solitaire and Doku! show ads.

### Which is updated more often, Crystal Klondike Solitaire or Doku!?

Crystal Klondike Solitaire ships an update every 5 months, and Doku! daily. Most recently, Crystal Klondike Solitaire was updated on October 9, 2026 and Doku! on October 4, 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.*