The smart multi-line calculator for Mac & iOS.

PeekCalc brings your calculations to life with a clear history tape and editable steps. Designed for professionals who need more than just a single line. Now available on iPhone.

PeekCalc window floating above the macOS desktop
PeekCalc on iPhone

PeekCalc for iOS

Take the power of PeekCalc with you. Optimized for touch, with the same powerful history and editing features you love on Mac.

Download for iOS

Multi-Line Editing

See your entire calculation history at a glance. Edit any line, and watch the results update instantly.

Smart History

Never lose track of your numbers. Scroll back through your calculation tape and reuse previous results.

Cross-Platform

Seamlessly available on macOS and iOS. Your powerful calculator is now in your pocket.