Want to train your brain with maths? In a new freaking way?
You've come to the right place!

***** How to Play *****
● Tap on the correct answer in 1 second.
● Try to get 5 stars.
● Compete with the others on the leader boards.

***** Game Modes *****
● Easy: Add or Subtract in 2 seconds.
● Medium: Add or Subtract in 1 second.
● Hard: Add, Subtract, Divide or Multiply in 1 second.

Please feel free to contact us if you need support or have any requests.
Thanks & best regards!

== Connect With Us ==
* Like us:
* Follow us:
* Visit us:
* Email us:

What’s New

Version 1.0.3

This app has been updated by Apple to display the Apple Watch app icon.

- Bug fixes.

Ratings and Reviews

4.0 out of 5
10 Ratings

10 Ratings

outlawerone ,

Had fun with this!

This game deserves more ratings here. Kept me playing continuously for hours. Simple but addictive. Also love the design. 5 stars!

Norman Kerman ,

Interesting but...

This interesting game shouldn't have the pause button there, because someone can cheat the score

ohlalagamer ,

Neat neat neat @.@

look dev! this is driving me mad, in every single second. you should give me a game mode where there's no time running like hell like this. come on!!

App Privacy

The developer, Tran Anh Khoa, has not provided details about its privacy practices and handling of data to Apple. For more information, see the developer’s privacy policy.

No Details Provided

The developer will be required to provide privacy details when they submit their next app update.


  • Game Center

    Challenge friends and check leaderboards and achievements.

  • Family Sharing

    With Family Sharing set up, up to six family members can use this app.

More By This Developer

You Might Also Like