Chempuz vs Primee!
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Chempuz
Learn organic chemistry basics by creating molecules and completing puzzles. Trace functional groups to build compounds, score higher with complex structures, and use flashcards to memorize names. Enjoy learning through engaging gameplay.
- Create organic molecules by tracing functional groups
- Build approximately 100 types of organic molecules
- Score higher with more complex compound creation
- Collect discovered compounds
- Memorize molecule names with flashcards
- Learn organic chemistry through gameplay
Read full descriptionHide full description
"Organic Chemistry Puzzle" to learn the basics of organic chemistry You can create compounds freely by tracing functional groups on the screen. You can create about 100 kinds of organic molecules. The score is high when you create complicated compounds. The collection shows compounds found. You can memorize the names of organic molecules with organic chemistry flashcards in Practice. You will learn organi chemistry while enjoying this game.
Primee!
This is a fast-paced puzzle game where players tap prime numbers and swipe to factor composite numbers. It offers a mental workout with quick games and global leaderboards, designed for adults and teens seeking a satisfying challenge.
- Tap primes and factor composites
- Mental workout for focus and logic
- Quick 2-minute game sessions
- Global leaderboards
- Satisfying and addictive gameplay
Read full descriptionHide full description
Sharpen your mind with Primee!, the fast-paced puzzle game for adults and teens who love a real mental challenge. Experience the thrill of a classic arcade game, but for your brain. In Primee!, you don't slice fruit—you slice numbers! Tap the primes, and swipe to slash composite numbers into their prime factors in a uniquely satisfying and addicting challenge. --- PAY ONCE, PLAY FOREVER This is a complete, premium game. No ads. No interruptions. No in-app purchases. Ever. Just pure, focused gameplay. --- FEATURES • A TRUE MENTAL WORKOUT: More than just a math game, it’s a test of your focus, logic, and reflexes, disguised as a simple, addictive game. • QUICK 2-MINUTE GAMES: Ideal for a mental refresh during your commute, break, or any spare moment. • GLOBAL LEADERBOARDS: Climb the ranks on Game Center. Can you become the world's Prime Master? • A PROVEN HIT IN JAPAN: Loved by both puzzle fans and educators in one of the world's most competitive game markets. Ready to challenge your mind? Download Primee! today.
Screenshots
Verdict
The clearest difference is price: Chempuz at Free against Primee!'s $1.99. Chempuz also leads on review sentiment (100% vs 87%) and update cadence (every 5 weeks vs every 2 months). Primee!'s advantage is in-app purchases (none vs 2) and ads (none vs shown). On 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
Chempuz is free to download; Primee! costs $1.99 up front. Chempuz sells 2 one-off in-app purchases. Primee! asks for nothing beyond the download.
Chempuz ships an update every 5 weeks, Primee! every 2 months. The most recent releases landed on November 7, 2026 and November 8, 2026 respectively.
| Parameter | Chempuz | Primee! |
|---|---|---|
| Price | Free — better | $1.99 |
| Rating | — | 4.9 (8 ratings) — better |
| Positive reviews | 100.0% of reviews — better | 86.7% of reviews |
| Number of ratings | — | 8 — better |
| Update frequency | Every 5 weeks — better | Every 2 months |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases — better | Paid |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 15.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 57 MB | 115 MB |
| Age rating | 4+ | 4+ |
| Developer | TomatoAppLab | SOFT DEVICE INC. |
Customer experience
Chempuz
Primee!
In-app purchases
Chempuz
- 1 gem$0.29
- 10 gems$1.99
Primee!
No in-app purchases
