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iPhone / iPad
  • Utilities
  • Education
I want this app
Download from AppStore

Currently UI only in german language!

Your easy to use 'rule of three' calculator for many different situations in your every day life.
You know the price for 2 apples, but want to have 9 apples.
Just delegate that question to "Dreisatz-iP-free".

Also have a look at the paid version of the software !