The Lemon app for iPhone and iPad

The technique of mental math helps you to know how much the bag of potato chips or candy bar you grabbed from the shelves will cost before you walk up to the register.


› No Complicated Screens to Figure Out.

› Simple And Effective!

› Contains No Ads or Popups.

Score is the sum of all correct questions divided by time that you spent to solve.



Feel free to contact me.
My email: [email protected]




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