Comparison

Duono vs Merge It! Logic & Strategy

Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • Unique Sun & Moon Theme
  • 100% Offline Gaming
  • Ad-Free Experience
  • Game Center Integration
  • Multiple Difficulty Levels
  • Smart Hint System
  • Unlimited Undo
Features
Read 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.

About

Merge It! Logic & Strategy

Features
Read full description

Merge It! is the number puzzle that grows with you. Swipe the tiles, merge matching numbers and plan your moves to reach the target tile. LEVELS IN FIVE WORLDS 100 hand-checked levels, every one proven solvable. Each world brings something new: stones that block the way, frozen tiles you thaw with a merge next to them, jokers that double any number, and tight boards of 3 by 3 and 4 by 3. Earn up to three stars per level by needing fewer moves, and unlock the next world with your stars. A NEW PUZZLE EVERY DAY The daily puzzle is the same for every player. Each weekday has its own theme, and the calendar lets you play the last 12 months. Keep your streak going! FREE PLAY The classic game: merge your way to 2048 and beyond and beat your best score. ACHIEVEMENTS 19 achievements for levels, stars, daily streaks, big tiles and clever chains. Plays offline, in English and German. Ads can be removed with a one-time purchase.

Screenshots

Duono4 screens
Merge It! Logic & Strategy4 screens

Verdict

The call

The clearest difference is price: Merge It! Logic & Strategy at Free against Duono's $2.99. Merge It! Logic & Strategy also leads on iOS requirement (15.0 vs 17.0). Duono's advantage is ads (none vs shown) and update cadence (every 2 weeks vs every 9 months). 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

CostPrice · In-app purchases · Ads · Monetization

Merge It! Logic & Strategy is free to download; Duono costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Duono ships an update every 2 weeks, Merge It! Logic & Strategy every 9 months. The most recent releases landed on October 30, 2026 and November 12, 2026 respectively.

Scorecard4 real differences · 6 level
Duono versus Merge It! Logic & Strategy: the parameters behind the verdict, then further details
ParameterDuonoMerge It! Logic & Strategy
Price$2.99Free — better
Rating4.0 (1 ratings) — better—
Positive reviews83.3% of reviews—
Number of ratings1 — better—
Update frequencyEvery 2 weeks — betterEvery 9 months
AdsNo — betterYes
In-app purchasesNoNo
MonetizationPaid—
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS17.015.0 — better
Further details — not scored
Size23 MB27 MB
Age rating4+4+
DeveloperFatma Nur UsluerMoritz Berger

In-app purchases

None

Duono

No in-app purchases

None

Merge It! Logic & Strategy

No in-app purchases

Questions

Is Duono free?
Duono costs $2.99, with no in-app purchases.
Is Merge It! Logic & Strategy free?
Merge It! Logic & Strategy is free to download, with no in-app purchases.
Do Duono or Merge It! Logic & Strategy have ads?
Merge It! Logic & Strategy shows ads; Duono does not.
Which is updated more often, Duono or Merge It! Logic & Strategy?
Duono ships an update every 2 weeks, and Merge It! Logic & Strategy every 9 months. Most recently, Duono was updated on October 30, 2026 and Merge It! Logic & Strategy on November 12, 2026.

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