Binjitsu
pitchnext GmbH
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About this app
The binary system. In your head, for good. Binjitsu is your dojo for computer science fundamentals: for your first CS semester, vocational training, or pure brain sport. Train across 7 worlds from white belt to black belt: decimal ↔ binary, powers of two, hex & octal, binary addition, two's complement, bitwise operations, ASCII. Three modes: Kata (understand), Kumite (60-second sparring), a daily Drill across everything you have learned. Your sensei analyzes your mistake patterns and tells you what to train tomorrow. 7 days free, then subscription. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy policy: https://pitchnext.com/binjitsu/datenschutz/
What's new
Version 1.0.2 · Nov 8, 2026
New in 1.0.2: - With a subscription you go straight into your dojo: the intro no longer flashes on screen when you open the app. - If subscription prices fail to load, try again with one tap or restore your purchases right there. Good luck on your way to the black belt!
In-app purchases
The most popular purchases on the App Store.
- Pro – YearlySubscription · 7 days free trial₱ 1,990.00 / year
