Sambo vs Duono
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Sambo
This brain-training puzzle game challenges you to balance circles and diamonds in rows and columns. It offers unlimited offline play with a clean design, perfect for focused, meditative moments. Compete with others and master hundreds of handcrafted logic challenges.
- Brain training challenges
- Offline play
- Unlimited gameplay
- Minimalist design
- Leaderboards
- Hundreds of handcrafted puzzles
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Sambo – The Puzzle That Plays With Your Brain! Can you crack the code of circles and diamonds? In Sambo, every row and column must be perfectly balanced – no three in a row, and no symbol out of place. It sounds easy… until it's not. • Train your brain • Play offline – no Wi-Fi needed • Unlimited play – no lives, no waiting • Clean, minimalist design for maximum focus • Perfect for a calm, meditative moment Play, think, and sambo with your neurons! Download now and see if you can solve them all. Love Binairo, Takuzu, Binoxxo or any binary logic puzzle? Then Sambo is your next obsession. Train your brain with hundreds of handcrafted challenges, rise through the leaderboards, and prove you're the ultimate Sambo master. By downloading or using this app, you agree to our End User License Agreement. You can review the full terms here: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
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 review sentiment: Duono at 83% against Sambo's 33%. Duono also leads on rating (4.0 vs 3.0) and in-app purchases (none vs 9). Sambo's advantage is price (Free vs $2.99) and ratings volume (53 vs 1). On update cadence and device support 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
Sambo is free to download; Duono costs $2.99 up front. Sambo sells 9 one-off in-app purchases. Duono asks for nothing beyond the download.
Duono holds the better App Store score, 4.0 against 3.0. That said, the two scores are not equally well evidenced: Sambo has 53 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 33% of Sambo's written reviews are positive against 83% of Duono's.
Sambo ships an update every 10 days, Duono every 2 weeks. The most recent releases landed on October 21, 2026 and October 11, 2026 respectively.
| Parameter | Sambo | Duono |
|---|---|---|
| Price | Free — better | $2.99 |
| Rating | 3.0 (53 ratings) | 4.0 (1 ratings) — better |
| Positive reviews | 32.8% of reviews | 83.3% of reviews — better |
| Number of ratings | 53 — better | 1 |
| Update frequency | Every 10 days — better | Every 2 weeks |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases — better | Paid |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 15.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 69 MB | 23 MB |
| Age rating | 4+ | 4+ |
| Developer | Two4Tea | Fatma Nur Usluer |
Customer experience
Sambo
Duono
Bugs and requests
Sambo
Reported bugs
5 issues- Level 191 bug
- Level 186 unplayable
- Level 119 impossible
- Level 125 impossible
- Level 155 impossible
Requested features
1 request- More levels
Duono
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Sambo
- 100 coins$0.99
- Special Offer$1.99
- Premium$2.99
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- Special Offer 2$4.99
- 550 coins$4.99
- Special Offer 3$9.99
- 1200 coins$9.99
- 3200 coins$24.99
- 13000 coins$99.99
Duono
No in-app purchases









