Prime Rush vs Primewise
Price, ratings, monetisation and update history for both apps, side by side ā with what reviewers say about each.
Prime Rush
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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!
Primewise
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Master prime factorisation with Primewise ā an addictive math game where you grow factor trees by splitting composite numbers into their prime factors! HOW TO PLAY Tap on a composite number to break it down into two factors. Keep splitting until every number is prime. Watch your tree grow from a single trunk into a beautiful branching structure ā each leaf is a prime number! TWO GAME MODES ⢠Normal Mode ā Choose the correct factor pair from multiple options. Perfect for learning and building confidence. ⢠Hard Mode ā Type both factors yourself with no hints. Triple points for the extra challenge! FEATURES ⢠Beautiful factor tree visualizations that grow upward like real trees ⢠Brown wood-themed branches with green prime leaves ⢠Streak multiplier system ā chain correct answers for bonus points ⢠3 lives per round ā wrong answers cost a heart ⢠30 carefully selected composite numbers with lots of factors ⢠Sound effects for correct/wrong answers and completions ⢠Educational feedback shows you the math when you guess wrong DESIGNED FOR FAMILIES ⢠No ads, ever ⢠No data collection ⢠No in-app purchases ⢠Works completely offline ⢠Safe for kids of all ages BUILDS REAL MATH SKILLS ⢠Prime number recognition ⢠Multiplication fluency ⢠Factor pair identification ⢠Understanding of prime factorisation ⢠Number sense and estimation Made with love by a dad who wanted to help his kids learn math.
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Verdict
The clearest difference is in-app purchases: Primewise at none against Prime Rush's 1. Primewise also leads on ads (none vs shown) and update cadence (every 6 days vs every 3 weeks). On price there is nothing between them.
Scored on Price Ā· Rating Ā· Positive reviews Ā· Number of ratings Ā· Update frequency Ā· Ads Ā· In-app purchases Ā· Monetization Ā· Best chart rank Ā· Devices Ā· Requires iOS
Both are free to download. Prime Rush sells 1 one-off in-app purchase. Primewise asks for nothing beyond the download.
Prime Rush ships an update every 3 weeks, Primewise every 6 days. The most recent releases landed on September 10, 2026 and September 18, 2026 respectively.
| Parameter | Prime Rush | Primewise |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 weeks | Every 6 days ā better |
| Ads | Yes | No ā better |
| In-app purchases | Yes | No ā better |
| Devices | iPhone | iPhone, iPad, iPod ā better |
| Requires iOS | 17 | 15.0 ā better |
| Further details ā not scored | ||
| Size | 21 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | Ayumu Izumi | Peyman Gohari |
In-app purchases
Prime Rush
- Pro Plan$1.99
Primewise
No in-app purchases
Questions
Is Prime Rush free?
Is Primewise free?
Do Prime Rush or Primewise have ads?
Which is updated more often, Prime Rush or Primewise?
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