Crystal Math - Numbers On Spee

Contains adsIn-app purchases
4.6
59 reviews
Content rating
Everyone
1K+
Downloads
Content rating
Everyone
Digital Purchases
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About this game

Crystal Math brings brain training to a whole new level. No matter if against the clock, or against other math cracks, improve your mental arithmetic on a daily basis, unlock all achievements one by one and become the new math champion.

Test you math skills in four challenging modes.

Daily Challenge: Solve a new challenge every day and fight for a spot on the highscore list in three difficulties. Step up your game though, you only get one try!

Duel: Challenge other players to a duel, or accept someone's challenge and fight for the winnig time.

Time Attack: Practice under competition conditions. You have 30 seconds to solve the challenge.

Free Game: Explore the game free of pressure and find your personal techniques for upcoming challenges.

Choose an avatar and show math cracks around the globe what you are capable of.
What are you waiting for? Pick up your slide rule and get started!


REQUIRED PERMISSIONS:

Internet: To access highscores, challenges and submit your times.

Read accounts: to personalize you in-app purchases, so they can be restored after re-installation and across multiple devices.

Write external storage: To save a screenshot of duels in order to share them with your friends.
Get into a rush solving math puzzles - But beware, Crystal Math is addictive!
Updated on
Jul 20, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
This app may share these data types with third parties
Personal info, App activity and 2 others
This app may collect these data types
Personal info, App activity and 2 others
Data is encrypted in transit
You can request that data be deleted

Ratings and reviews

57 reviews
Jason Boyd
November 17, 2020
šŸ‘šŸ¼A fun but educational way to train your brain.
7 people found this review helpful
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A Google user
February 2, 2020
Wow moves Fast! Lotta Fun!
7 people found this review helpful
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A Google user
February 14, 2020
AWESOMNESS
1 person found this review helpful
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What’s new

2.1.1
- Reboot of your favorite math game!
- Refreshed, polished and fully working again