Crowns vs Duono
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Crowns
Engage in a sophisticated logic puzzle experience with daily challenges. This game offers pure logic-based puzzles in a clean, minimalist design to sharpen your mind and enhance reasoning skills.
- Pure logic-based puzzles
- Clean, minimalist design
- Multiple difficulty levels
- Progress tracking
- New daily puzzles
- Brain exercise
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Crowns - Logic Puzzle Game Immerse yourself in an elegant puzzle-solving experience. Crowns is a beautifully crafted logical puzzle game that sharpens your mind through daily challenges. Key Features: • Pure logic-based puzzles • Clean, minimalist design • Multiple difficulty levels • Progress tracking • New daily puzzles • Free to play Enhance Your Mind: • Exercise your brain with daily puzzle challenges • Develop advanced logical reasoning skills • Build problem-solving abilities through engaging puzzles • Track your progress as your skills improve • Challenge yourself with increasing difficulty levels Perfect for: • Puzzle enthusiasts • Logic game lovers • Brain training seekers • Daily challenge devotees • Anyone looking to sharpen their mind Each puzzle offers a unique challenge that requires strategic thinking and deductive reasoning. The clean, gradient-inspired design creates a calm atmosphere that lets you focus entirely on solving the puzzles. Make puzzle-solving part of your daily routine. Watch as your logical thinking skills grow stronger with each challenge you complete.
Duono
Engage in a unique binary logic puzzle adventure with a beautiful sun and moon theme. Solve tricky tango-style patterns using pure logic, with no guessing required. Enjoy offline play, global competition, and a distraction-free experience.
- Unique Sun & Moon Theme
- 100% Offline Gaming
- Ad-Free Experience
- Game Center Integration
- Multiple Difficulty Levels
- Smart Hint System
- Unlimited Undo
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DUONO - BINARY LOGIC MASTERY Experience the ultimate tricky binary puzzle adventure! Duono combines beautiful sun and moon symbols with challenging tango-style logic patterns that will test your mind and keep you coming back for more. WHAT MAKES DUONO SPECIAL: • Unique Sun & Moon Theme - Beautiful symbols replace boring numbers • Full Game Center Integration - Compete globally, unlock achievements • 100% Offline Gaming - Perfect for anywhere, anytime play • Ad-Free Experience - Pure puzzle focus, zero interruptions • Perfect 6x6 Grid Size - Ideal challenge level for all skill levels • 11 Language Support - English, Turkish, French, German, Italian, Portuguese, Spanish, Japanese, Thai, Indonesian, Malay CORE GAME FEATURES: • Tricky tango-style binary logic patterns • Simple rules: 3 suns, 3 moons per row/column • No more than 2 identical symbols touching • Constraint symbols (= and ×) guide your solving • Pure logic - no guessing required! GAME CENTER INTEGRATION: • Global Leaderboards - See your world ranking • Achievement System - Unlock rewards for progress • Friends Challenges - Connect and compete • Cross-Device Sync - Your progress follows you DIFFICULTY LEVELS: • Easy Mode (15-18 starting hints) • Medium Mode (12-15 starting hints) • Hard Mode (5-7 starting hints) • Clever Mode (3-5 starting hints) • Random Mode (Surprise difficulty) KEY FEATURES: • Smart Hint System - Get unstuck without frustration • Unlimited Undo - Perfect your strategy • Pause & Resume Timer - Play at your own pace • Game History Tracking - Review your progress • Dark & Light Themes - Easy on your eyes • Custom Settings - Tailor your experience PERFORMANCE TRACKING: • Move Counter - Track your efficiency • Time Tracking - Beat your best times • Score System - Performance-based scoring • Progress Statistics - See your improvement • Achievement Progress - Visual goal tracking INTERFACE HIGHLIGHTS: • Clean, Minimalist Design • Intuitive Touch Controls • Visual Error Highlighting • Smooth Animations • Accessibility Support • Portrait & Landscape Support PERFECT FOR: • Logic puzzle enthusiasts seeking fresh challenges • Binary puzzle fans wanting ultimate experience • Brain training during commutes or travel • Anyone who loves strategic thinking games • Players seeking ad-free, quality gaming WHY PLAYERS LOVE DUONO: "Finally, a unique binary puzzle without distractions!" "The sun and moon theme is brilliant and engaging" "Perfect difficulty progression keeps me hooked" "Love competing with friends through Game Center" "Best offline puzzle game for my daily commute" GAME MECHANICS: • First tap places a sun symbol • Second tap changes to moon symbol • Third tap clears the cell • Fixed cells provide starting clues • Logical deduction solves every puzzle • No luck or guessing required Ready to master the art of binary logic? Download Duono today and discover why thousands of players are addicted to these beautifully crafted tango-style puzzles! Perfect your strategy. Challenge your mind. Become a Duono master.
Screenshots
Verdict
The clearest difference is price: Crowns at Free against Duono's $2.99. Crowns also leads on rating (4.5 vs 4.0) and ratings volume (491 vs 1). Duono's advantage is in-app purchases (none vs 1) and review sentiment (83% vs 69%). On ads, device support and iOS requirement 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
Crowns is free to download; Duono costs $2.99 up front. Crowns sells 1 one-off in-app purchase. Duono asks for nothing beyond the download.
Crowns holds the better App Store score, 4.5 against 4.0. That said, the two scores are not equally well evidenced: Crowns has 491 ratings behind it against 1, so its average is the more settled of the two. Written reviews complicate that: 69% of Crowns's written reviews are positive against 83% of Duono's, so the app with the better star average is not the one people write more warmly about.
Crowns ships an update every 4 weeks, Duono every 2 weeks. The most recent releases landed on October 22, 2026 and October 11, 2026 respectively.
| Parameter | Crowns | Duono |
|---|---|---|
| Price | Free — better | $2.99 |
| Rating | 4.5 (491 ratings) — better | 4.0 (1 ratings) |
| Positive reviews | 68.6% of reviews | 83.3% of reviews — better |
| Number of ratings | 491 — better | 1 |
| Update frequency | Every 4 weeks | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases — better | Paid |
| Devices | iPhone | iPhone, iPad — better |
| Requires iOS | 17.0 | 17.0 |
| Further details — not scored | ||
| Size | 30 MB | 23 MB |
| Age rating | 4+ | 4+ |
| Developer | Ka Wai Tong | Fatma Nur Usluer |
Customer experience
Crowns
Duono
Bugs and requests
Crowns
Reported bugs
2 issues- Degenerate solutions in puzzles
- Issues with in-app purchases
Requested features
2 requests- Different color palette for tiles
- Unlimited daily plays
Duono
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Crowns
- Queens - Unlimited version$9.99
Duono
No in-app purchases









