Comparison

Crazy Maths. vs 4321 De

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

Head to head
About

Crazy Maths.

This app offers a fun way to learn and practice fundamental math skills. It covers addition, subtraction, multiplication, division, and number theory concepts through engaging exercises and game modes. Designed for self-improvement, it helps build arithmetic fluency and mental math strategies.

Highlights
  • Basic arithmetic practice
  • Number theory concepts
  • Multiplication table learning
  • Mental math strategies
  • Multiple difficulty levels
  • High scores and awards
  • Fun animations
Features
Read full description

Exploring a variety of mathematical topics. Learn basic math skills in addition, subtraction, multiplication and division. Learn the even numbers, odd numbers, prime numbers, Fibonacci numbers. Learn multiplication table. Exploring math skills. Improves arithmetic fluency and promotes development of mental strategies for addition, subtraction, multiplication, division and mixed operations. With a focus on self-improvement. FEATURES / EDUCATIONAL CONTENT: - Addition - Subtraction - Multiplication - Division - Arithmetic - Multiplication table - The even numbers, odd numbers, prime numbers, Fibonacci numbers. - Combination of the above - Practice mental addition, subtraction, multiplication, division and mixed operations - Develop arithmetic fluency and improve mental strategies - Mental math game - Choose their options by themselves - Various fun game modes - Possibility to follow the results of several players - 3 levels of difficulty - Fun animations - Access to the Game Center - High scores and awards. We are listening to, frequently enhancements game based on your feedback Please give us feedback in comments, we will make it the best game! .

About

4321 De

Features
Read full description

4321 De-Merge is a unique number puzzle game where you split large tiles into smaller ones, create powerful chain reactions, and clear the entire board. If you’ve played number merge games before, this one delivers the exact opposite experience: instead of merging numbers upward, you must split, break, and deconstruct them to win. Perfect for fans of number puzzles, brain games, logic games, and merge-style puzzles who want a fresh twist with strategic depth. Key Features Over 10,000 handcrafted levels. A completely new “number splitting” mechanic. Easy to learn but challenging to master. Satisfying chain reactions and destructive combos. Clean minimalist visuals focused on puzzle solving. Download now and test your brainpower! Your feedback is always appreciated.

Screenshots

Crazy Maths.4 screens
4321 De4 screens

Verdict

The call

The clearest difference is ads: Crazy Maths. at none against 4321 De's shown. Crazy Maths. also leads on iOS requirement (12.0 vs 15.0). On price, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

Scorecard2 real differences · 7 level
Crazy Maths. versus 4321 De: the parameters behind the verdict, then further details
ParameterCrazy Maths.4321 De
PriceFreeFree
Rating5.0 (2 ratings) — better—
Number of ratings2 — better—
Update frequencyEvery 64 months—
AdsNo — betterYes
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.0 — better15.0
Further details — not scored
Size26 MB67 MB
Age rating4+4+
DeveloperFernando Gonzalez FriasNguyen Mau Hoang

In-app purchases

None

Crazy Maths.

No in-app purchases

None

4321 De

No in-app purchases

Questions

Is Crazy Maths. free?
Crazy Maths. is free to download, with no in-app purchases.
Is 4321 De free?
4321 De is free to download, with no in-app purchases.
Do Crazy Maths. or 4321 De have ads?
4321 De shows ads; Crazy Maths. does not.

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