Supported Features
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Dark Interface
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Differentiate Without Color Alone
Prime Rush: Math Time Attack
Brain Speed Factorization Game
Only for iPhone
Free · In‑App Purchases · Designed for iPhone
iPhone
Factorize numbers instantly in this high-speed math puzzle! Race against the clock, climb global leaderboards, and sharpen your mental math. Can you spot the primes?
Can you factorize numbers in the blink of an eye?
Challenge your brain and reflexes with Prime Rush, the ultimate prime factorization time attack game! This is not just a math drill, it is a high-speed puzzle action game where speed and accuracy are key. Perfect for students studying for exams, adults looking for brain training, and math enthusiasts who love numbers.
[HOW TO PLAY] Numbers will appear on the screen. Your goal is to break them down into their prime factors before time runs out!
Input the Formula: Use the intuitive keypad to enter factors like "12 -> 2^2x3".
It's a Prime!: If the number is already prime, just hit the "It's Prime!" button instantly.
Speed Bonus: Answer quickly to extend your time limit. Keep the combo going to achieve a high score!
[KEY FEATURES]
Time Attack Mode Race against the clock! Start from easy integers and work your way up to massive 3-digit numbers.
Global Leaderboards: Compete with players around the world. Your nickname, score, and date are recorded when you beat your personal best.
5 Difficulty Levels: Level 1: Beginners (4 - 50) Level 5: Masters (200 - 999) Can you conquer the hardest difficulty?
Practice Mode Need to study without the pressure?
Practice at your own pace with no time limits.
Ideal for overcoming your weak numbers and understanding the logic behind division.
Note: Level 1 is free; Levels 2-5 require a Pro Plan upgrade.
Built-in Factorization Calculator Includes a dedicated tool to instantly factorize any number. Use it to check your homework or explore the beauty of prime numbers.
Friendly Design
Featuring cute "Pochimu" characters to cheer you on.
Satisfying sound effects and haptic feedback (customizable in Settings).
Share your "New Record" cards directly to social media!
[WHY PLAY PRIME RUSH?]
Boost Mental Math: Drastically improve your calculation speed for multiplication and division.
School Prep: Perfect for middle school and high school algebra preparation.
Brain Teaser: A stimulating workout for your frontal cortex. Prevents brain aging with daily logic puzzles.
[PRO PLAN] Unlock the full potential of Prime Rush with the Pro Plan to access all Practice Mode levels. Master every number from 4 to 999!
Ready to become a Prime Master? Download Prime Rush today and start your mental math workout!
Ratings & Reviews
This app hasn’t received enough ratings or reviews to display an overview.
・Minor bug fixes and performance improvements.
The developer, Ayumu Izumi, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Used to Track You
The following data may be used to track you across apps and websites owned by other companies:
- Identifiers
- Usage Data
Data Linked to You
The following data may be collected and linked to your identity:
- Identifiers
- Usage Data
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
- User Content
- Identifiers
- Usage Data
- Diagnostics
The developer indicated that this app supports the following accessibility features. Learn More
Information
- Seller
- Ayumu Izumi
- Size
- 21.8 MB
- Category
- Education
- Compatibility
Requires iOS 17 or later.
- iPhone
Requires iOS 17 or later. - Mac
Requires macOS 14.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- Languages
English and 8 more
- English, French, German, Japanese, Korean, Portuguese, Simplified Chinese, Spanish, Traditional Chinese
- Age Rating
4+
- 4+
- Contains
Advertising
User-Generated Content
- In-App Purchases
Yes
- Pro Plan $1.99
- Copyright
- © 2026 POCHIMU TECH. All rights reserved.