Duono vs Merge It!
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
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.
Merge It!
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Merge It! is an exciting puzzle game that challenges your strategy and quick thinking. Combine matching tiles to reach higher numbers, aiming for the legendary 2048 and beyond! With a sleek, modern interface and dynamic gameplay, Merge It! keeps you engaged while testing your brainpower. Track your best scores, optimize your moves, and find the perfect strategy to dominate the leaderboard. Do you have the skills to master the ultimate merging challenge? Dive in and prove it!
Screenshots
Verdict
The clearest difference is price: Merge It! at Free against Duono's $2.99. Merge It! also leads on update cadence (every 3 days vs every 2 weeks) and iOS requirement (12.0 vs 17.0). Duono's advantage is ads (none vs shown). On 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
Merge It! is free to download; Duono costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Duono ships an update every 2 weeks, Merge It! every 3 days. The most recent releases landed on September 10, 2026 and September 25, 2026 respectively.
| Parameter | Duono | Merge It! |
|---|---|---|
| Price | $2.99 | Free — better |
| Rating | 4.0 (1 ratings) — better | — |
| Positive reviews | 83.3% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 2 weeks | Every 3 days — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 17.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 23 MB | 30 MB |
| Age rating | 4+ | 4+ |
| Developer | Fatma Nur Usluer | Moritz Berger |
In-app purchases
Duono
No in-app purchases
Merge It!
No in-app purchases
