Comparison

0h h1 vs Binary Sudoku+

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

Head to head
About

0h h1

This logic puzzle game challenges you to fill a grid with red and blue tiles based on three simple rules. It offers unlimited puzzles across four grid sizes, providing a brain-teasing experience without ads or in-app purchases.

Highlights
  • Tile-based logic puzzles
  • Three simple rules
  • Unlimited puzzles
  • Four grid sizes (4x4 to 10x10)
  • Tap to change tile color
Features
Read full description

0h h1 is a little logic game that follows three simple rules: - Three red tiles or three blue tiles next to each other in a row or column isn't allowed - A full row or column must have as many blue tiles as it has red ones. - No two rows are the same. No two columns either. Simply tap a tile to make it red or blue and complete the grid. 0h h1 gives you unlimited puzzles for all four grid sizes: 4 x 4 6 x 6 8 x 8 10 x 10 0h h1 is free, without ads, without social network requirements, without locked features and without nag screens. 0h h1 is a little gift to you. We hope you enjoy it. 0h h1 can also be played on 0hh1.com.

About

Binary Sudoku+

Engage your mind with over 1300 levels of logic puzzles that combine the calm of Tango with Sudoku's challenge. Enjoy handcrafted puzzles from easy to expert, and test your speed in challenge modes. It's a satisfying new twist on a classic brain-training experience.

Highlights
  • 1300+ levels
  • Handcrafted puzzles
  • Challenge mode
  • Sudoku × Symmetry twist
  • Brain-training
  • Addictive and relaxing
Features
Read full description

Binary Sudoku+: a calm binary logic puzzle. 1300+ levels and a new daily board. Three rules, endless depth: Fill the grid with two symbols. Every row and column holds an equal number of each. Never three of the same in a row. Challenge Your Mind with 1300+ Levels! 800+ Handcrafted Puzzles - From easy to expert! 500+ Challenge Mode Levels - Beat the clock! A new Daily puzzle every day. Sudoku × Symmetry - A satisfying new twist! Why Players Keep Coming Back: Addictive & Relaxing - Perfect for quick play or deep focus. Brain-Training - Sharpen logic & problem-solving skills. Fair ads - play first, not ads. Download Now & Start Solving!

Screenshots

0h h14 screens
Binary Sudoku+4 screens

Verdict

The call

0h h1 and Binary Sudoku+ both sit at 4.7 stars, but that hides the real split: 91% of 0h h1's written reviews are positive against 40% of Binary Sudoku+'s. 0h h1 also leads on ads (none vs shown) and monetization model (free vs free with in-app purchases). Binary Sudoku+'s advantage is update cadence (every 9 days vs every 3 months). On price, rating, ratings volume and in-app purchases 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. 0h h1 sells 1 one-off in-app purchase and Binary Sudoku+ sells 8 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.7 for 0h h1 against 4.7 for Binary Sudoku+. Both are backed by a comparable volume of ratings — 299 and 190 respectively. Written reviews are what separate them: 91% of 0h h1's written reviews are positive against 40% of Binary Sudoku+'s.

UpkeepUpdate frequency

0h h1 ships an update every 3 months, Binary Sudoku+ every 9 days. Both last shipped on October 17, 2026.

Scorecard5 real differences · 5 level
0h h1 versus Binary Sudoku+: the parameters behind the verdict, then further details
Parameter0h h1Binary Sudoku+
PriceFreeFree
Rating4.7 (299 ratings)4.7 (190 ratings)
Positive reviews90.5% of reviews — better40.0% of reviews
Number of ratings299 — better190
Update frequencyEvery 3 monthsEvery 9 days — better
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS8.0 — better15.0
Further details — not scored
Size3 MB81 MB
Age rating4+4+
DeveloperQ42Benjamin Miller

Customer experience

0h h1

All ratings299 ratings
Positive95.0%
Neutral2.3%
Negative2.7%
Written reviews74 reviews
Positive90.5%
Neutral0.0%
Negative9.5%

Binary Sudoku+

All ratings190 ratings
Positive94.7%
Neutral2.6%
Negative2.6%
Written reviews15 reviews
Positive40.0%
Neutral26.7%
Negative33.3%

Bugs and requests

0h h1

Reported bugs

6 issues
  • Progress forfeited when closing app
  • Randomly asks permission to paste from clipboard
  • Leaderboard scores with negative times
  • Hints sometimes incorrect or unhelpful
  • Error display not reliable after update
Show 1 more
  • Occasional crashes (implied by 'buggy')

Requested features

13 requests
  • Continue game progress after closing app
  • In-game stats (games played, best times, scores)
  • Option to start game over
  • Option to highlight and erase incorrect cells
  • Customizable color palettes
Show 8 more
  • iCloud syncing of scores
  • More difficulty settings or games
  • Timed version for scoring
  • Holiday themes
  • Sound effects for clicks
  • Background soundtrack
  • Bigger maps/grids (e.g., 12x12)
  • Integration with Game Center

Binary Sudoku+

Not enough reviews yet to summarise bugs or requests.

In-app purchases

1 purchases

0h h1

One-time1
  • 0h h1 Supporter$0.99
8 purchases

Binary Sudoku+

Subscriptions2
  • Spark & Spiral Plus$4.991 Month
  • Spark & Spiral Plus Yearly7 Days trial$29.991 Year
One-time6
  • Extreme Pack$0.99
  • Legendary Pack$0.99
  • Premium Icon Pack$0.99
Show 3 more
  • 100 Hints$0.99
  • Remove Ads$3.99
  • Remove Ads & Unlimited Hints$5.99

Questions

Is 0h h1 free?
0h h1 is free to download, with in-app purchases available.
Is Binary Sudoku+ free?
Binary Sudoku+ is free to download, with in-app purchases available.
Which has better reviews, 0h h1 or Binary Sudoku+?
0h h1 and Binary Sudoku+ are both rated 4.7 out of 5 on the App Store, from 299 and 190 ratings respectively.
Do 0h h1 or Binary Sudoku+ have ads?
Binary Sudoku+ shows ads; 0h h1 does not.
Which is updated more often, 0h h1 or Binary Sudoku+?
0h h1 ships an update every 3 months, and Binary Sudoku+ every 9 days. Most recently, 0h h1 was updated on October 17, 2026 and Binary Sudoku+ on October 17, 2026.

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