Find every episode in a long recording
- Enter where the first episode starts in Time 1 and the episode length in Time 2 — say
00:43:00. - Tap Sum to see roughly where the next episode begins.
- Fine-tune the result if the breaks ran long.
- Tap Reset. The result becomes your new starting point, and your episode length stays put.
Features
One-tap math
Sum and Diff answer instantly. Type digits only — the colons appear for you.
No 24-hour limit
Add up long durations, with optional milliseconds for precise timecodes.
Edit the result
Adjust the answer before using it, then Reset to carry on.
Date calculator
Days between dates in years, months, and days — plus weeks and business days. Or move a date by days, weeks, months, or years.
Made for everyone
High-contrast design, VoiceOver support, and larger text sizes.
Private by design
No accounts, no ads, no tracking. WhenAmI collects no data at all.
Requirements
iPhone or iPad with iOS 26.1 or later.