Prime Ninja vs Orbit Dodger
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Prime Ninja
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PRIME NINJA - Think fast. Tap smart. Master prime numbers. Bubbles rise. Numbers flash. Can you spot a prime from a composite before it's too late? Prime Ninja is the fast-paced mental arithmetic arcade game that makes prime numbers genuinely addictive. Slice through rapid number streams, build explosive combo multipliers, and train your brain to calculate at light speed! NEW IN VERSION 2.0: THE DOJO & BOSS EXPANSION • THE PRIME DOJO: Master prime identification with the interactive 1-100 Sieve of Eratosthenes grid. Tap any number to reveal its prime factors, study divisibility scrolls, and learn mental math shortcuts. • EPIC BOSS LEVELS: Test your precision every 5 levels with game-changing modifiers: - Speed Rush: 15-second hyper blitz - Sudden Death: 1 single life, 100% precision required - Prime Storm: 80% prime flood for massive combo chains • DYNAMIC LEVEL MAP: Ascend through a glowing cyber trail with tactile 3D stages and evolving neon atmospheres. • GLOBAL LEADERBOARDS: Claim your ninja tag, set unbeatable high scores, and see how your mental math ranks against players worldwide. HOW TO PLAY • Bubbles float upward - tap the PRIME numbers (2, 3, 5, 7, 11, 13...) • Avoid composites (4, 6, 8, 9, 10...) or lose a shuriken life! • Don't let primes escape off-screen! • Chain accurate taps to trigger Ninja Strike combo multipliers! THREE CHALLENGE TIERS • Beginner (1-30) - Perfect for learning basics and building speed • Intermediate (1-100) - Standard competitive speed arithmetic • Advanced (1-300) - High-octane reflex test for true math masters KEY FEATURES • Sleek Cyberpunk and Neon UI with fluid animations • Dynamic difficulty scaling - faster spawns and rising challenges • Responsive haptic feedback for every slice and strike • Star ratings per level to track mastery • Offline play enabled - practice your mental math anytime, anywhere • 100% Free to play GREAT FOR Students, teachers, mental math competitors, STEM enthusiasts, and anyone who loves sharp, quick-thinking brain puzzles. Download Prime Ninja now - how fast can your arithmetic streak survive?
Orbit Dodger
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ONE TAP. ONE ORBIT. HOW LONG CAN YOU SURVIVE? Orbit Dodger is a pure arcade reflex game. Your orb circles a glowing neon planet - tap anywhere to switch direction and dodge the shards raining in from every side. FEATURES: - One-touch controls, no tutorial needed - Endless difficulty scaling: every 10 seconds the game gets faster, denser and smarter - Collect stars for bonus points - Global Game Center leaderboard - compete with players worldwide - Neon minimal visuals with haptic feedback and crisp sound effects - No ads, no tracking, no in-app purchases. Just the game. Simple to learn, brutally hard to master. How long can you last?
Screenshots
Verdict
The clearest difference is ads: Orbit Dodger at none against Prime Ninja's shown. Prime Ninja's advantage is device support (3 vs 1). On price, in-app purchases 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | Prime Ninja | Orbit Dodger |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 weeks | — |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 15.1 — better | 16.0 |
| Further details — not scored | ||
| Size | 33 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | Tornaido UG (haftungsbeschränkt) | Content Petit LLC |
In-app purchases
Prime Ninja
No in-app purchases
Orbit Dodger
No in-app purchases









