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UP Plus Minus

Jan-Willem Duim

  • Platform: iOS
  • App ID: 947570755
  • Price: 99
  • Category: Entertainment, Education
  • Website: www.up-app.nl
  • Ad spend: No
  • Mobile Priority: Low
  • User Base Size: Weak
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Publisher: Jan-Willem Duim
Number of Apps: 9, including

  • Woordwiel2: Moeilijke woorden leren lezen, groep 3
  • Woordwiel: woorden leren lezen groep 3, gratis!
  • UP Spelling
  • Woordwiel: eigen woorden leren lezen
  • UP Divide
Latest Update/Release: 36525 days ago


Up is the math-app for children who want to improve their math skills in a fun (and competitive) way. In time, any possible disadvantage belongs to the past. The brain will be trained with both addition and subtraction. It’s even possible to challenge friends and establish an ultimate topscore. UP offers a child the ability to determine their own level of difficulty and computation. Furthermore, because UP is so motivational that it will always be a pleasure to calculate!! Write a review, please email us and get a code for a free give-a-way. Follow us on Twitter (@uptheapp) and Facebook (facebook.com/upapp) to stay updated on the latest developments and actions.

Last Update

Last Update 1.2

Released May 14, 2016

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