Crystal TriPeaks Solitaire vs Doku!
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Crystal TriPeaks Solitaire
A classic card game where you clear ascending or descending cards from a layout to reach the summit. Offers multiple difficulty levels, customizable cards, and detailed statistics to track your progress. Compete with friends or enjoy a solo challenge.
- Clear cards by matching one above or below the home card
- Multiple difficulty levels
- Customizable card designs
- Extensive game statistics
- Leaderboard integration
- Full tutorial for beginners
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Clear your way to the three summits by clicking cards one above or below the home card. But plan carefully or the deck may run out before you make it to the top! Climb your way up the leaderboards and challenge your friends to beat your highscores, or just keep them to yourself and use the extensive statistics to keep track of your best games of TriPeaks Solitaire. With clear and simple casino style graphics, customisable cards, a full tutorial for absolute beginners we hope you will agree that this is the best version of this popular card game to be found. - 3 Difficulty levels to suit beginners to experts - Full tutorial to introduce you to the game gently - Option to disable the jokers to earn more points! - Regular or reversed card layouts for left or right handed play! - Customise the look of your cards, even how scruffy the dealing is! - Extensive statistics to track your improving skills - Simple & intuitive user interface, designed for young and old - Share your scores with your friends with Game Center - Can you earn all the achievements? The Crystal Solitaire series of games have been some of the top online solitaire games on many sites, so we have redesigned them for a whole new generation of devices so you can carry on playing your favourite solitaire game wherever you may be!
Doku!
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.
- Daily logic puzzles
- 150 levels across 11 chapters
- Color vision palettes
- Lettered regions for colorblindness
- Daily and journey leaderboards
- Offline puzzle solving
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Every colored region on the board hides one dot. The symbols on each tile tell you where a dot cannot go. Tap a square to pencil a note on it. Tap it twice to put a dot down. THE DAILY One board a day, the same board for everybody. Solve it and your streak goes up. The last seven days sit on the front page, so you can see which ones you got clean. THE JOURNEY 150 levels across 11 chapters, from a 4x4 that teaches you one rule at a time to the 9x9 boards at the end. Three chances per level. Solve one in the fewest moves it can be done in and it is marked perfect. ALSO IN IT - Palettes for deutan, protan and tritan color vision - A letter on every region for when the colors are hard to tell apart - Daily and journey leaderboards through Game Center - Every puzzle ships inside the app - No account and no sign up
Screenshots
Verdict
The clearest difference is in-app purchases: Doku! at none against Crystal TriPeaks Solitaire's 1. Doku! also leads on update cadence (daily vs every 6 months). On price, rating, review sentiment and ratings volume there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Crystal TriPeaks 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 TriPeaks 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 TriPeaks Solitaire ships an update every 6 months, Doku! daily. The most recent releases landed on October 9, 2026 and October 4, 2026 respectively.
| Parameter | Crystal TriPeaks Solitaire | Doku! |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) | 5.0 (2 ratings) |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | 1 | 2 — better |
| Update frequency | Every 6 months | Daily — better |
| Ads | Yes | Yes |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Ad-supported — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 15.0 — better |
| Further details — not scored | ||
| Size | 19 MB | 79 MB |
| Age rating | 4+ | 4+ |
| Developer | Crystal Squid | Poliglot |
Customer experience
Crystal TriPeaks Solitaire
Doku!
In-app purchases
Crystal TriPeaks Solitaire
- Remove Ads$2.99
Doku!
No in-app purchases
Questions
Is Crystal TriPeaks Solitaire free?
Is Doku! free?
Which has better reviews, Crystal TriPeaks Solitaire or Doku!?
Do Crystal TriPeaks Solitaire or Doku! have ads?
Which is updated more often, Crystal TriPeaks Solitaire or Doku!?
Other comparisons
