tcCalc - timecode & frame calc

tcCalc is a calculator built for one job: timecode math for video production. Add and subtract timecode, let it handle drop frame for you, and switch to a frame count with a single tap, all with the feel of an ordinary calculator.

Time bases
23.98 / 24 / 25 / 29.97 / 30 / 50 / 59.94 / 60 fps, plus hh:mm:ss for working without frames. Drop frame is applied automatically at 29.97 and 59.94 fps.

Features
- Add and subtract timecode
- One-tap switching between timecode and frame count (seconds in hh:mm:ss mode)
- Automatic drop frame handling (29.97 / 59.94 fps)
- Constant calculation: press = again to repeat the last operation
- Memory: add, subtract, recall, and clear
- Calculation history: up to 20 entries with frame rate and date; tap to restore, swipe to delete
- Open history with the clock button or by swiping up on the display
- Copy and paste from the ••• menu or by touching and holding the result
- Built-in How to Use guide

Easy to read
- Large keys, color-coded by role
- Dark mode
- iPhone and iPad, in all four orientations
- Dynamic Type and VoiceOver support

Simple by design
- No ads
- No in-app purchases
- No account or sign-in
- The app itself makes no network connections and works offline
- No analytics and no tracking

Whether you are timing a shoot, finding an edit point, or adding up the length of your footage, tcCalc keeps the math out of your way.