WhenWas

WhenWas Habit Tracker App Icon

Never Forget When You Last Did Anything

The Ultimate Habit Tracker for iOS

WhenWas activity list showing days since dentist checkup, HVAC filter change, and calling Mom

Resetting an activity in place with one swipe and pinning it to the top

Full reset history timeline of an activity with notes and reminders

WhenWas Home Screen widget showing activities with reset buttons

WhenWas on Apple Watch — check, reset, pin, and add from your wrist

Sharing an activity with family so everyone can see and reset it together

Adding a note while resetting an activity to remember the why

Setting a reminder to fire after each reset, from 15 minutes to a month

Simple and intuitive habit tracking
Track when you last watered plants, changed filters, or did any task
Beautiful, modern iOS design built with SwiftUI
Privacy-focused - your data stays on your device
Quick and easy to use - track habits in seconds
Perfect for productivity and daily routines

Privacy Support