WhenWas — remember the last time you did anything important. Track haircuts, filter changes, workouts, appointments, and more with a clean, fast interface.

Key features:
- Track anything: add items and see time since last reset
- Apple Watch app: view, add, and reset items from your wrist
- Timeline history: see previous resets at a glance
- Use your voice with Siri to check the status and reset items
- No ads

Pro upgrades:
- Cloud sync via iCloud: your data stays private and stays in sync
- Unlimited items (free includes up to 5)
- Pin items to the top of your list
- Smart reminders (1 hour, 1 day, 1 week)