Comparison

OkuDoku Number Brain Challenge vs PathMemory

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

Head to head
About

OkuDoku Number Brain Challenge

This game blends Sudoku and Tetris mechanics, challenging players to strategically place numbered blocks to form lines and squares. Compete against your own high scores or tackle daily challenges with predefined board setups.

Highlights
  • Combine Sudoku and Tetris gameplay
  • Drag and drop numbered blocks
  • Score by completing lines and squares
  • Plan moves for high scores
  • Daily challenges with predefined boards
  • Compete against personal bests
Features
Read full description

OkuDoku is a combination of 2 classic games Sudoku and Tetris. We have taken all the best from two favourite games to create a truly challenging experience for puzzle lovers. You can play against yourself by beating your own high score or compete in Daily Challenges. The game is easy to play but in order to complete Daily Challenges and get a really high score, you will need to plan your moves a few steps ahead. How to play: 1. Drag and drop blocks with numbers on the board 2. Build lines or squares that contain numbers from 1 to 4 3. You score every time you complete a line or a square with all numbers from 1 to 4 4. Lines and squares get cleared once all the numbers from 1 to 4 are added 5. Plan your moves to combine multiple lines and squares in order to get even higher score 6. Game ends when you don’t have any available moves left Daily Challenge: - Every day we release a new challenge for you to play - Challenge is started with a predefined set of numbers on the board - The goal is reach a target score and not to run out of moves too quickly Please don’t forget to leave a review with your feedback & suggestions, so we can make our game even better!

About

PathMemory

Features
Read full description

How good is your memory? Find out with PathMemory — a clean, minimalist puzzle game that challenges your brain one path at a time. A path lights up on the grid. It disappears. Now tap it back — in the right order. Sounds easy? It won't stay that way. HOW IT WORKS - A path appears on the grid, tile by tile - Memorize it before it vanishes - Tap the tiles in the correct order - One mistake and it's game over THE CHALLENGE GROWS As you progress, the grid gets bigger, the paths get longer, and distractions start appearing: blinking tiles, color shifts, fake paths, and even grid rotations that flip everything you just memorized. Every level pushes your spatial memory further. FEATURES - 20+ handcrafted difficulty levels with smooth progression - Expanding grids — from 4×4 to 8×6 and beyond - Visual distractions: blinks, color shifts, fake paths, floating shapes - Grid transformations: rotations and mirror flips mid-game - Global leaderboard — compete with players worldwide - One-tap revive per run — watch a short ad to continue - Clean, minimal design with satisfying animations - Haptic feedback for every interaction - No ads during gameplay — only an optional revive ad - Sign in with Google or Apple to save your score - Play offline — no account required PathMemory is free to play with no paywalls, no energy systems, and no interrupting ads. Just you, the grid, and your memory. How far can you go?

Screenshots

OkuDoku Number Brain Challenge4 screens
PathMemory3 screens

Verdict

The call

The clearest difference is iOS requirement: OkuDoku Number Brain Challenge at 13.0 against PathMemory's 15.0. On price, update cadence, ads 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

OkuDoku Number Brain Challenge ships an update every 3 weeks, PathMemory every 2 weeks. Both last shipped on September 9, 2026.

Scorecard1 real difference · 9 level
OkuDoku Number Brain Challenge versus PathMemory: the parameters behind the verdict, then further details
ParameterOkuDoku Number Brain ChallengePathMemory
PriceFreeFree
Rating4.8 (81 ratings) — better—
Positive reviews80.0% of reviews—
Number of ratings81 — better—
Update frequencyEvery 3 weeksEvery 2 weeks — better
AdsYesYes
In-app purchasesNoNo
MonetizationAd-supported—
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS13.0 — better15.0
Further details — not scored
Size10 MB40 MB
Age rating4+4+
DeveloperPawel KieczkoLukas Ulbrich

In-app purchases

None

OkuDoku Number Brain Challenge

No in-app purchases

None

PathMemory

No in-app purchases

Questions

Is OkuDoku Number Brain Challenge free?
OkuDoku Number Brain Challenge is free to download, with no in-app purchases.
Is PathMemory free?
PathMemory is free to download, with no in-app purchases.
Do OkuDoku Number Brain Challenge or PathMemory have ads?
Both OkuDoku Number Brain Challenge and PathMemory show ads.
Which is updated more often, OkuDoku Number Brain Challenge or PathMemory?
OkuDoku Number Brain Challenge ships an update every 3 weeks, and PathMemory every 2 weeks. Most recently, OkuDoku Number Brain Challenge was updated on September 9, 2026 and PathMemory on September 9, 2026.

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