Singleton Quest vs Duono
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Singleton Quest
Read full descriptionHide full description
Singleton Quest: Unlock Your Team's Potential Now Discover Singleton Quest: Are you ready to embark on a new era of team empowerment and organizational transformation? Singleton Quest, an innovative app, merges micro-interventions with gamification to boost personal growth, cultural change, and the realization of company values. It's the perfect tool to energize your team and elevate your organization to the next level. Your Tools for Success: Micro-interventions: Explore our extensive collection of easily implementable micro-tasks that make personal growth fun and effortless. Gamification: Dive into an engaging gaming experience that makes the process of change in your team playful and captivating. Customized Content: Benefit from personalized games tailored precisely to your company's needs. Coopetition: Enhance teamwork and cooperation as your teams tackle exciting challenges together in spirited competitions. Developed with Experts: Singleton Quest is created in collaboration with scientists from Humboldt University of Berlin. What Your Organization Gains: Increased employee engagement and a positive work atmosphere. Active learning seamlessly integrated into the daily workflow. A significant boost in productivity by focusing on personal and professional goals. Stronger company values lived daily by your team. Measurable successes, made visible through a comprehensive analytics dashboard. Begin Your Transformative Journey: Don't wait any longer! Start with Singleton Quest now and watch your team evolve and surpass their limits. Revolutionize personal development, cultural change, and value realization in your company. Contact us for a free consultation and discover how Singleton Quest can support your goals. Immerse yourself in our demo decks on topics such as Onboarding, New Work, and Resilience, and experience the transformative power of Singleton Quest firsthand.
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
Read full descriptionHide full description
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: Singleton Quest at Free against Duono's $2.99. Singleton Quest also leads on iOS requirement (12.0 vs 17.0). Duono's advantage is update cadence (every 2 weeks vs monthly). On ads, in-app purchases 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
Singleton Quest is free to download; Duono costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Singleton Quest ships an update monthly, Duono every 2 weeks. The most recent releases landed on September 22, 2026 and September 10, 2026 respectively.
| Parameter | Singleton Quest | Duono |
|---|---|---|
| Price | Free — better | $2.99 |
| Rating | — | 4.0 (1 ratings) — better |
| Positive reviews | — | 83.3% of reviews |
| Number of ratings | — | 1 — better |
| Update frequency | Monthly | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Paid |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 12.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 453 MB | 23 MB |
| Age rating | 4+ | 4+ |
| Developer | Homo Ludens GmbH | Fatma Nur Usluer |
In-app purchases
Singleton Quest
No in-app purchases
Duono
No in-app purchases









