Master addition and subtraction with math whizzes Robin and Dob.
• Developed by a Math Ph.D student for his own kids.
• Designed to provide kids the foundation they need for more advanced math.
• Guaranteed to be fun and effective.
• Includes a cool diploma to share with family and friends!
• 10 levels for addition & bonus challenges.
• 10 levels for subtraction & bonus challenges.
• Unique, interactive tools.
• Automatic progress tracking for up to 4 customizable profiles.
"My daughter always thought math was boring until we came across Robin and Dob. Now she smiles while she's practicing her addition and subtraction." -- Marlis Zimmerman, Appracadabra
This app has been updated by Apple to use the latest Apple signing certificate.
Fixed critical bug that crashed the app.
Ratings and ReviewsSee All
A great way to learn basic math
My two daughters love this app, especially the speed rounds. The helper tools (abacus, fingers, etc.) are a really nice touch for younger children. I like seeing my kids enjoying math!
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The developer will be required to provide privacy details when they submit their next app update.
With Family Sharing set up, up to six family members can use this app.