Comparison

Brain It On! vs Ultimate Sudoku Classic

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

Head to head
About

Brain It On!

Engage your mind with tricky physics puzzles. Draw shapes to find creative solutions to increasingly difficult challenges. Compete with friends and discover multiple ways to solve each puzzle.

Highlights
  • Dozens of brain-busting puzzles
  • Puzzles added regularly
  • Compete with friends
  • Multiple solutions per puzzle
  • Share unique solutions
Features
Read full description

Deceptively challenging puzzles for your brain! Draw shapes to solve challenging physics puzzles. They're not as easy as they look. Care to give one a try? ◆ Dozens of brain busting puzzles, with more being added all the time ◆ Compete with your friends for the Brain It On! crown ◆ Multiple ways to solve each puzzle, can you find the best solution? ◆ Share your unique solutions and compare with your friends If you like this game, please rate it and leave a comment. As a tiny indie developer your support is greatly appreciated. Thank you for your help! If you don't like something in the game, please email me at support@orbitalnine.com and tell me why. I want to hear your feedback and comments so I can continue to make this game better. Follow @orbitalnine on Twitter for all the latest news and updates on this game and upcoming releases. Like the game on Facebook: facebook.com/OrbitalNine Visit online at: orbitalnine.com I hope you enjoy Brain It On!

About

Ultimate Sudoku Classic

Features
Read full description

Ultimate Sudoku Classic brings the timeless Sudoku experience to iPhone and iPad with clean controls, readable boards, and smooth gameplay designed for both beginners and experienced players. Choose your challenge: • Easy • Medium • Difficult • Insane Play your way: • Original mode for a pure classic experience • Help mode for guided play • Pencil notes • Optional error display • Highlight neighbors and matching values • Auto-fill notes • Chrono and sound options • Customizable display preferences Why players love it: • Clear and comfortable interface • Hundreds of puzzles to complete • Great for quick sessions or long challenges • Optional one-time purchase to remove ads forever Whether you want to relax for a few minutes or push your logic skills further, Ultimate Sudoku Classic gives you the essential Sudoku experience in a polished, focused app. Download Ultimate Sudoku Classic and start solving today.

Screenshots

Brain It On!4 screens
Ultimate Sudoku Classic4 screens

Verdict

The call

Brain It On! and Ultimate Sudoku Classic are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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. Brain It On! sells 9 one-off in-app purchases and Ultimate Sudoku Classic sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Brain It On! ships an update every 3 weeks, Ultimate Sudoku Classic every 6 weeks. The most recent releases landed on October 29, 2026 and October 9, 2026 respectively.

ScorecardNo meaningful differences
Brain It On! versus Ultimate Sudoku Classic: the parameters behind the verdict, then further details
ParameterBrain It On!Ultimate Sudoku Classic
PriceFreeFree
Rating4.5 (5.2K ratings) — better—
Positive reviews80.9% of reviews—
Number of ratings5.2K — better—
Update frequencyEvery 3 weeks — betterEvery 6 weeks
AdsYesYes
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.015.0
Further details — not scored
Size191 MB38 MB
Age rating4+4+
DeveloperOrbital Nine Games IncLionel Forget

Bugs and requests

Brain It On!

Reported bugs

4 issues
  • Level selector not working past level 220
  • Inability to draw near screen edges due to OS gestures
  • Hint videos not always helpful
  • In-app purchases not working as expected

Requested features

5 requests
  • More levels
  • Level editor to create custom puzzles
  • Ability to save progress
  • Improved drawing controls
  • Better hints and guidance

Ultimate Sudoku Classic

Not enough reviews yet to summarise bugs or requests.

In-app purchases

9 purchases

Brain It On!

One-time9
  • Remove Popup Ads$0.99
  • The Full Game (75% off)$0.99
  • Coin Pack$0.99
Show 6 more
  • The Full Game (50% off)$1.99
  • Coin Pack$1.99
  • The Full Game (25% off)$2.99
  • Coin Pack$2.99
  • The Full Game$3.99
  • Coin Pack$3.99
1 purchases

Ultimate Sudoku Classic

One-time1
  • Remove Ads$3.99

Questions

Is Brain It On! free?
Brain It On! is free to download, with in-app purchases available.
Is Ultimate Sudoku Classic free?
Ultimate Sudoku Classic is free to download, with in-app purchases available.
Do Brain It On! or Ultimate Sudoku Classic have ads?
Both Brain It On! and Ultimate Sudoku Classic show ads.
Which is updated more often, Brain It On! or Ultimate Sudoku Classic?
Brain It On! ships an update every 3 weeks, and Ultimate Sudoku Classic every 6 weeks. Most recently, Brain It On! was updated on October 29, 2026 and Ultimate Sudoku Classic on October 9, 2026.

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