Comparison

Zuzu · Binary Puzzle Game vs Puzzle IO

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

Puzzle IO

Experience a modern, fast-paced logic puzzle game based on binary Sudoku. Fill grids with 0s and 1s following specific rules, earn bonuses with a smart point system, and compete globally. Offers endless challenges across six difficulty levels.

Highlights
  • Fill 10x10 grids with 0s and 1s
  • Equal 0s and 1s per row/column
  • No three identical numbers in a row
  • Smart point system with bonuses
  • Time-based multipliers for higher scores
  • Game Center support and global leaderboards
  • Six difficulty levels
  • Unlimited unique puzzles
Features
Read full description

Addictive Logic Fun! Looking for a fresh take on Sudoku? Puzzle IO brings you a modern, fast-paced, and highly addictive logic puzzle experience! Easy to learn, hard to master! * Fill each 10x10 grid with 0s and 1s * Each row and column must have an equal number of 0s and 1s * No three identical numbers in a row! Think fast, score big! * Smart point system: Earn bonuses by solving grids efficiently! * Time-based multipliers: Solve puzzles quickly for higher scores! * Game Center support: Compete with friends and climb the global leaderboards! Endless Challenges! * Six difficulty levels: Unlock harder modes as you improve! * Unlimited unique puzzles: No two grids are the same! * Clean, modern design: Smooth animations & intuitive controls! Ready to train your brain? Download Puzzle IO - Binary Sudoku now and start playing!

Screenshots

Zuzu · Binary Puzzle Game4 screens
Puzzle IO4 screens

Verdict

The call

The clearest difference is in-app purchases: Zuzu · Binary Puzzle Game at none against Puzzle IO's 1. Zuzu · Binary Puzzle Game also leads on review sentiment (83% vs 75%). Puzzle IO's advantage is update cadence (every 3 weeks vs every 4 months) and ratings volume (348 vs 67). On price, rating, 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. Puzzle IO sells 1 one-off in-app purchase. Zuzu · Binary Puzzle Game asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.5 for Zuzu · Binary Puzzle Game against 4.6 for Puzzle IO. That said, the two scores are not equally well evidenced: Puzzle IO has 348 ratings behind it against 67, so its average is the more settled of the two. Written reviews are what separate them: 83% of Zuzu · Binary Puzzle Game's written reviews are positive against 75% of Puzzle IO's.

UpkeepUpdate frequency

Zuzu · Binary Puzzle Game ships an update every 4 months, Puzzle IO every 3 weeks. The most recent releases landed on September 24, 2026 and September 18, 2026 respectively.

Scorecard6 real differences · 4 level
Zuzu · Binary Puzzle Game versus Puzzle IO: the parameters behind the verdict, then further details
ParameterZuzu · Binary Puzzle GamePuzzle IO
PriceFreeFree
Rating4.5 (67 ratings)4.6 (348 ratings) — better
Positive reviews83.1% of reviews — better74.6% of reviews
Number of ratings67348 — better
Update frequencyEvery 4 monthsEvery 3 weeks — better
AdsYesYes
In-app purchasesNo — betterYes
MonetizationAd-supported — betterFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.013.0 — better
Further details — not scored
Size39 MB107 MB
Age rating4+4+
DeveloperMatthew Murphy99 Up Games

Customer experience

Zuzu · Binary Puzzle Game

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

Puzzle IO

All ratings348 ratings
Positive92.2%
Neutral3.7%
Negative4.0%
Written reviews213 reviews
Positive74.6%
Neutral7.5%
Negative17.8%

Bugs and requests

Zuzu · Binary Puzzle Game

Not enough reviews yet to summarise bugs or requests.

Puzzle IO

Reported bugs

4 issues
  • Incorrect error detection on completed rows/columns
  • Frequent crashes and bugs
  • Game sometimes freezes or becomes unresponsive
  • Ads not loading properly, preventing gameplay

Requested features

5 requests
  • Dark mode option
  • Better hint system that explains the logic
  • Option to turn off row/column completion notifications
  • More challenging puzzle levels
  • Ability to create and save custom puzzles

In-app purchases

None

Zuzu · Binary Puzzle Game

No in-app purchases

1 purchases

Puzzle IO

One-time1
  • Remove Ads$2.99

Questions

Is Zuzu · Binary Puzzle Game free?
Zuzu · Binary Puzzle Game is free to download, with no in-app purchases.
Is Puzzle IO free?
Puzzle IO is free to download, with in-app purchases available.
Which has better reviews, Zuzu · Binary Puzzle Game or Puzzle IO?
Puzzle IO is rated higher. Zuzu · Binary Puzzle Game averages 4.5 out of 5 from 67 ratings, while Puzzle IO averages 4.6 from 348 ratings.
Do Zuzu · Binary Puzzle Game or Puzzle IO have ads?
Both Zuzu · Binary Puzzle Game and Puzzle IO show ads.
Which is updated more often, Zuzu · Binary Puzzle Game or Puzzle IO?
Zuzu · Binary Puzzle Game ships an update every 4 months, and Puzzle IO every 3 weeks. Most recently, Zuzu · Binary Puzzle Game was updated on September 24, 2026 and Puzzle IO on September 18, 2026.

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