Comparison

Zuzu · Binary Puzzle Game vs Duono

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

Head to head
About

Zuzu · Binary Puzzle Game

A logic-based puzzle game where you fill a grid with two colors based on specific rules. It's similar to Sudoku and offers a "How to Play" guide with solving strategies. Track your progress with a stats tracker and play online or offline.

Highlights
  • Binary logic puzzles
  • Sudoku-like gameplay
  • Three solving rules
  • In-game tutorial and strategies
  • Stats tracker for solve times
  • Offline play
Features
Read full description

Enjoy Zuzu, a binary puzzle game that tests your logic and skill! If you like Sudoku puzzles, you will love Zuzu! About Zuzu: Your goal is to fill in the board using only logical determination, similar to Sudoku. Tap a tile on the board to set or change its color. Like the binary number system in general, there are only two tile colors, orange (0) and blue (1). Zuzu games begin with an unfinished grid that must be filled in correctly according to three rules listed below. Each row and each column: .. is unique .. has an equal number of red and blue tiles .. has no more than two adjacent tiles of the same color The strategies for solving a Zuzu binary puzzle vary in complexity. Once you install the game you will find a “How to Play” section with a link to a video outlining some successful solving strategies for a binary puzzle. Track your best and average solve times over history with our stats tracker. You can play Zuzu by Razzle Puzzles on your phone and tablet. Enjoy online or in offline mode! For support please contact us at support@razzlepuzzles.com or visit RazzlePuzzles.com

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.

Screenshots

Zuzu · Binary Puzzle Game4 screens
Duono4 screens

Verdict

The call

The clearest difference is price: Zuzu · Binary Puzzle Game at Free against Duono's $2.99. Zuzu · Binary Puzzle Game also leads on rating (4.5 vs 4.0) and ratings volume (67 vs 1). Duono's advantage is ads (none vs shown) and update cadence (every 2 weeks vs every 4 months). On review sentiment, 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

Zuzu · Binary Puzzle Game is free to download; Duono costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Zuzu · Binary Puzzle Game holds the better App Store score, 4.5 against 4.0. That said, the two scores are not equally well evidenced: Zuzu · Binary Puzzle Game has 67 ratings behind it against 1, so its average is the more settled of the two. Written reviews split almost evenly too, at 83% and 83% positive.

UpkeepUpdate frequency

Zuzu · Binary Puzzle Game ships an update every 4 months, Duono every 2 weeks. The most recent releases landed on October 12, 2026 and October 11, 2026 respectively.

Scorecard7 real differences · 3 level
Zuzu · Binary Puzzle Game versus Duono: the parameters behind the verdict, then further details
ParameterZuzu · Binary Puzzle GameDuono
PriceFree — better$2.99
Rating4.5 (67 ratings) — better4.0 (1 ratings)
Positive reviews83.1% of reviews83.3% of reviews — better
Number of ratings67 — better1
Update frequencyEvery 4 monthsEvery 2 weeks — better
AdsYesNo — better
In-app purchasesNoNo
MonetizationAd-supported — betterPaid
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better17.0
Further details — not scored
Size43 MB23 MB
Age rating4+4+
DeveloperMatthew MurphyFatma Nur Usluer

Customer experience

Zuzu · Binary Puzzle Game

All ratings67 ratings
Positive85.1%
Neutral10.4%
Negative4.5%
Written reviews89 reviews
Positive83.1%
Neutral10.1%
Negative6.7%

Duono

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews6 reviews
Positive83.3%
Neutral0.0%
Negative16.7%

In-app purchases

None

Zuzu · Binary Puzzle Game

No in-app purchases

None

Duono

No in-app purchases

Questions

Is Zuzu · Binary Puzzle Game free?
Zuzu · Binary Puzzle Game is free to download, with no in-app purchases.
Is Duono free?
Duono costs $2.99, with no in-app purchases.
Which has better reviews, Zuzu · Binary Puzzle Game or Duono?
Zuzu · Binary Puzzle Game is rated higher. Zuzu · Binary Puzzle Game averages 4.5 out of 5 from 67 ratings, while Duono averages 4.0 from 1 ratings.
Do Zuzu · Binary Puzzle Game or Duono have ads?
Zuzu · Binary Puzzle Game shows ads; Duono does not.
Which is updated more often, Zuzu · Binary Puzzle Game or Duono?
Zuzu · Binary Puzzle Game ships an update every 4 months, and Duono every 2 weeks. Most recently, Zuzu · Binary Puzzle Game was updated on October 12, 2026 and Duono on October 11, 2026.

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