Comparison

CoKu vs Tango Game

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

Head to head
About

CoKu

A modern take on Sudoku, this puzzle game replaces numbers with colors. Solve challenges by ensuring no repeated colors in rows, columns, or blocks. Unlock tools and progress through various difficulty levels.

Highlights
  • Color-based Sudoku gameplay
  • Daily Challenge mode
  • Mini Game modes
  • Draw Mode for custom boards
  • Multiple difficulty levels
  • Unlockable tools and bonuses
  • Dark mode optimization
Features
Read full description

Welcome to CoKu, where classic Sudoku meets color-based strategy in a clean, modern puzzle experience. This latest build adds Daily Challenge, new Mini Game modes for quick sessions, and Draw Mode so you can create your own colorful boards. It also includes smoother gameplay, UI polish, and performance improvements. Instead of numbers, CoKu uses colors. Complete every row, column, and block with no repeated color in any section. It is easy to learn, visually clear, and satisfying to master. As you play, you earn stars by completing puzzles and can earn time bonuses for faster solves. Use stars to unlock helpful tools and improve your performance over time. CoKu includes Easy, Medium, and Hard difficulty levels so you can choose a pace that fits your style, from relaxed practice to advanced challenge. The experience is designed to feel responsive and polished, with intuitive touch controls, haptic feedback, dynamic scoring, and progress tracking in a dark-mode-optimized interface.

About

Tango Game

A logic puzzle game using Sun and Moon symbols, inspired by Binary Sudoku. It challenges logical thinking with various grid sizes and difficulty levels, offering a clean interface and a smart hint system.

Highlights
  • Sun and Moon symbol puzzles
  • Multiple grid sizes
  • Progressive difficulty levels
  • Built-in timer
  • Smart hint system
  • Puzzle sharing
  • Light and Dark Mode
Features
Read full description

Overview Tango is a thoughtfully designed logic puzzle game inspired by Binary Sudoku. Instead of numbers, Tango uses Sun and Moon symbols to create a visually engaging and refreshing puzzle experience that challenges logical thinking. Gameplay The objective is simple: complete each grid by placing Sun and Moon symbols correctly while following logical rules. Every puzzle is designed to be solved through reasoning and observation, allowing players to analyze patterns and determine the correct solution step by step. After completing each puzzle, players receive a score based on the number of hints and guesses used, along with the time taken to solve the puzzle. Key Features • Clean and minimal interface for distraction-free gameplay • Multiple grid sizes for all skill levels • Progressive difficulty levels from Beginner to Expert • Built-in timer to track performance and improvement • Smart hint system to assist without reducing challenge • Puzzle sharing to compete with friends • Light Mode and Dark Mode support Grid Sizes • 4×4 Grid – Ideal for beginners and quick sessions • 6×6 Grid – Balanced difficulty with deeper logic • 8×8 Grid – Advanced challenges for experienced players Difficulty Levels Beginner, Easy, Medium, Hard, Master, Expert Each level introduces increasingly complex puzzles that require stronger logical reasoning and attention to detail. Game Rules • Each row must contain an equal number of Sun and Moon symbols • Each column must contain an equal number of Sun and Moon symbols • No more than two identical symbols can appear consecutively • Each row and column must be unique Additional Features Tango includes a built-in timer to help players track their solving time and improve efficiency. A carefully designed hint system provides guidance when needed while maintaining the integrity of the challenge. Players can also share puzzles with friends and compete to solve them faster while using fewer hints, adding a competitive and social aspect to the game. User Experience The game features a smooth, intuitive, and visually clean interface that allows players to fully focus on puzzle-solving. Support for both Light Mode and Dark Mode ensures a comfortable experience at any time of day. Benefits Playing Tango regularly helps improve concentration, pattern recognition, and problem-solving skills. It offers a perfect balance between relaxation and mental stimulation. Conclusion Whether you are looking for a quick brain exercise or a deep logical challenge, Tango provides a complete and satisfying puzzle experience. With its variety of grid sizes, difficulty levels, and engaging features, it is ideal for all puzzle enthusiasts. Start playing Tango today and test your logic skills while competing with friends to solve puzzles faster and smarter.

Screenshots

CoKu3 screens
Tango Game4 screens

Verdict

The call

The clearest difference is review sentiment: CoKu at 100% against Tango Game's 42%. CoKu also leads on rating (5.0 vs 4.3). Tango Game's advantage is in-app purchases (none vs 3) and update cadence (every 3 weeks vs every 7 months). On price, ads 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

Both are free to download. CoKu sells 3 one-off in-app purchases. Tango Game asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

CoKu holds the better App Store score, 5.0 against 4.3. That said, the two scores are not equally well evidenced: Tango Game has 84 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 100% of CoKu's written reviews are positive against 42% of Tango Game's.

UpkeepUpdate frequency

CoKu ships an update every 7 months, Tango Game every 3 weeks. The most recent releases landed on October 10, 2026 and October 25, 2026 respectively.

Scorecard7 real differences · 3 level
CoKu versus Tango Game: the parameters behind the verdict, then further details
ParameterCoKuTango Game
PriceFreeFree
Rating5.0 (3 ratings) — better4.3 (84 ratings)
Positive reviews100.0% of reviews — better41.7% of reviews
Number of ratings384 — better
Update frequencyEvery 7 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS17.615.6 — better
Further details — not scored
Size15 MB73 MB
Age rating4+4+
DeveloperFrank J GuzzoneGatch

Customer experience

CoKu

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Tango Game

All ratings83 ratings
Positive81.9%
Neutral3.6%
Negative14.5%
Written reviews12 reviews
Positive41.7%
Neutral0.0%
Negative58.3%

In-app purchases

3 purchases

CoKu

One-time3
  • 500 Stars$0.99
  • 2,500 Stars$2.99
  • 5,000 Stars$4.99
None

Tango Game

No in-app purchases

Questions

Is CoKu free?
CoKu is free to download, with in-app purchases available.
Is Tango Game free?
Tango Game is free to download, with no in-app purchases.
Which has better reviews, CoKu or Tango Game?
CoKu is rated higher. CoKu averages 5.0 out of 5 from 3 ratings, while Tango Game averages 4.3 from 84 ratings.
Do CoKu or Tango Game have ads?
Neither CoKu nor Tango Game shows ads.
Which is updated more often, CoKu or Tango Game?
CoKu ships an update every 7 months, and Tango Game every 3 weeks. Most recently, CoKu was updated on October 10, 2026 and Tango Game on October 25, 2026.

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