Python Code Cards

Write Python. Save it as a card. Run and debug it on your iPhone or iPad. Python Code Cards is an on-device code notebook for organizing editable Python snippets and notes. Five ready-to-edit samples let you try execution and debugging immediately after installation. ORGANIZE CODE AS CARDS • Add code cards and notes • Edit, duplicate, delete, collapse, and reorder cards • Keep source code, breakpoints, watches, and recent results on your device RUN PYTHON 3.14 ON-DEVICE • View standard output and errors on each card • See the source line and message for exceptions • Inspect execution time and resulting variables • Use the core app without an internet connection DEBUG WITH BREAKPOINTS • Set breakpoints from line numbers • Continue, pause, step over, step into, and step out • Inspect the current line, changed variables, watch expressions, and call stack • Restart or stop from dedicated controls WRITE WITH LESS FRICTION • Python syntax highlighting • Local completion for keywords, built-ins, and symbols already in your code • System, Light, and Dark appearance across every screen • Switch the entire app among 10 languages from Settings PRIVACY BY DESIGN No account, advertising, analytics, tracking, or cloud sync. Cards and settings stay in the app's local storage and are not automatically sent to the developer. Version 1.0 includes the bundled Python standard library. Installing third-party packages with pip, AI completion, and cloud execution are not supported. Normal execution has a time limit to help protect the device from code that does not stop.