Build any calculator in seconds. Type a formula or describe what you need — RubikCalc turns it into a custom micro-app with a dedicated UI. Perfect for students, engineers, and data enthusiasts.
No account needed · 100% free to start
Define your inputs and outputs in RubikCalc's simple syntax — the app builds a custom calculator UI for you instantly.
Supports arithmetic, trig, logarithms, custom steps, and more.
Describe what you need in plain language
Visualize outputs with live data charts
Dark mode and multiple color themes
Unit converters, constants, and more
Get RubikCalc on Android or jump straight into the web app — no install needed.