Calc allows users to perform calculations with a clean interface. It maintains a detailed, editable history of each calculation. Users can create and edit spreadsheets to organize data. The supports basic math operations and formula entry.
The app allows users to customize multi-track backing tracks by removing instruments or vocals, changing key and tempo. It includes optional click track and count-in features for drummers and saves user settings automatically.
Select songs from the music library to create ringtones. Trim audio to up to 40 seconds with real-time editing. Adjust fade-in and fade-out times separately. Share files via iTunes. Manage saved ringtones. Email ringtones (full version only).