Are you a human calculator?
10 operations. 30 seconds. Can you do it?
Show off your math skills with this mesmerising game. Are you a Human Calculator? Prove it completing 200 elegant, minimalist levels. Starts quite easy at a kids level, then it gets harder.
Practice and improve your Arithmetic skills.
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Need help? Use our 10in30 Walkthrough page or sign up and make your contribution today.
What's new in version 1.3
Choose your own time! Now you can select up to 300 seconds to make it easier for the younger kids.
10in30 is a trivia game developed by Jose Manuel Sanchez, and is available for download on both iOS and Android devices. The app is compatible with iOS 10.0 or later on the following devices: iPhone 11 Pro, X, Xs, SE, iPhone 8, 7, 6, iPad Pro and iPad Mini.
Click the button or scan the QR code below to download 10in30 for iOS. Check out our downloads section to download 10in30 for android and other platforms.
App Rating & Updates
The app is $1.99 and offers no in-app purchases.