Comparison

Brain Code vs 9BLOCK

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

Head to head
About

Brain Code

Engage your mind with over 50 unique logic puzzles that test your problem-solving and creative thinking. This offline game offers an immersive, command-line inspired interface and a progressive difficulty curve. It's perfect for puzzle enthusiasts and anyone looking for a mental workout.

Highlights
  • 50 unique logic puzzles
  • Command-line inspired interface
  • Multiple solutions per puzzle
  • Progressive difficulty
  • Offline play
  • Built-in hint system
Features
Read full description

Brain Code is a command-line-inspired puzzle game. Read a level, type a command, and use the response to work out what to try next. It’s a game about clues and logic, not a coding lesson. Explore 50 handcrafted levels. Some clues ask you to think beyond the obvious answer. No programming experience is needed: curiosity and careful observation are enough to begin. If you get stuck, optional in-game hints can give you a nudge. You can also leave a puzzle and return to it later. The levels can be played offline. Ready to try a different way of thinking? Start with the first level and see where your next command takes you. Questions or a bug to report? contact.kkapps@gmail.com Reading the description again? The last two lines may help. Tech info: STOP 0x000LVL09 REASON "i like this game"

About

9BLOCK

This minimalist game challenges your visual recall and focus by requiring you to memorize the order of numbers on nine blocks. It's a quick, engaging experience that's easy to learn but difficult to master.

Highlights
  • Memorize number order
  • Tap numbers 1-9
  • Improve longest streak
  • Ranked progression
  • Customize blocks and reveal time
  • Track personal bests
Features
Read full description

Nine blocks reveal nine numbers. Memorize the order before it disappears. Then tap from 1 to 9 without a mistake. It sounds simple. It isn't. 9BLOCK is a fast-paced, minimalist memory game that tests your visual recall, focus, speed, and consistency. Every attempt takes only seconds, making it easy to play and difficult to put down. PLAY YOUR WAY - Improve your longest streak - Climb through ranked progression - Customize the number of blocks and reveal time for practice - Track your personal bests - Challenge yourself with faster and harder rounds EASY TO LEARN. HARD TO MASTER. There are no complicated controls or lengthy tutorials. See, remember, and tap in order. Can you master 9BLOCK?

Screenshots

Brain Code4 screens
9BLOCK3 screens

Verdict

The call

The clearest difference is in-app purchases: 9BLOCK at none against Brain Code's 6. 9BLOCK also leads on ads (none vs shown) and rating (5.0 vs 4.6). Brain Code's advantage is ratings volume (1.1K vs 3). On price, update cadence, device support and iOS requirement 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. Brain Code sells 6 one-off in-app purchases. 9BLOCK asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

9BLOCK holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Brain Code has 1.1K ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 77% of Brain Code's written reviews are positive against 100% of 9BLOCK's.

UpkeepUpdate frequency

Brain Code ships an update monthly, 9BLOCK every 3 weeks. The most recent releases landed on October 10, 2026 and September 30, 2026 respectively.

Scorecard6 real differences · 4 level
Brain Code versus 9BLOCK: the parameters behind the verdict, then further details
ParameterBrain Code9BLOCK
PriceFreeFree
Rating4.6 (1.1K ratings)5.0 (3 ratings) — better
Positive reviews76.7% of reviews100.0% of reviews — better
Number of ratings1.1K — better3
Update frequencyMonthlyEvery 3 weeks — better
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.0 — better15.1
Further details — not scored
Size30 MB23 MB
Age rating4+4+
DeveloperKyrylo KartukovDuncan Fondren

Customer experience

Brain Code

All ratings1,051 ratings
Positive88.7%
Neutral4.1%
Negative7.2%
Written reviews455 reviews
Positive76.7%
Neutral11.2%
Negative12.1%

9BLOCK

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

Bugs and requests

Brain Code

Reported bugs

4 issues
  • Inability to close ads
  • Level 24 equation puzzle not accepting correct answer
  • Level 39 unbeatable on iPhones without back button
  • Level 20 bug preventing progress

Requested features

4 requests
  • More levels and content updates
  • Improved ad experience
  • Walkthrough or solution guide
  • Keyboard support improvements

9BLOCK

Not enough reviews yet to summarise bugs or requests.

In-app purchases

6 purchases

Brain Code

One-time6
  • pinch of tips$0.99
  • handful of tips$1.99
  • Platinum Pass$1.99
Show 3 more
  • 2x handful of tips$2.99
  • tip fan$4.99
  • tip master$6.99
None

9BLOCK

No in-app purchases

Questions

Is Brain Code free?
Brain Code is free to download, with in-app purchases available.
Is 9BLOCK free?
9BLOCK is free to download, with no in-app purchases.
Which has better reviews, Brain Code or 9BLOCK?
9BLOCK is rated higher. Brain Code averages 4.6 out of 5 from 1.1K ratings, while 9BLOCK averages 5.0 from 3 ratings.
Do Brain Code or 9BLOCK have ads?
Brain Code shows ads; 9BLOCK does not.
Which is updated more often, Brain Code or 9BLOCK?
Brain Code ships an update monthly, and 9BLOCK every 3 weeks. Most recently, Brain Code was updated on October 10, 2026 and 9BLOCK on September 30, 2026.

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