Your Easiest
Habit Tracker & Smoking Tracker

When did I last clean? When did I take my medicine? How many cigarettes today?
Stop wondering. WhenDidI remembers for you.

Get it on Google Play

Key Features

📅

One-Tap Recording

Record habits with just one tap. No complicated forms. Perfect for tracking smoking, medication, exercise, and any daily routine.

📱

Home Screen Widget

No need to open the app. Check and record directly from your home screen widget. See your habit tracker at a glance. (Premium)

📆

Calendar View

See your monthly records at a glance. Filter by sticker and search by keyword in titles and notes to quickly find any record.

📊

Powerful Statistics

Analyze your habits with weekly and monthly stats. Bar charts and heatmaps help you understand your routines better.

⏱️

Elapsed Time Tracking

Quit smoking, quit drinking, or started intermittent fasting? See exactly how long it's been right in the app!

☁️

Cloud Sync

Sign in with Google to safely backup your habit tracker data. Switch devices without losing anything.

Start Tracking Your Habits Today

Download WhenDidI — the simplest habit tracker and smoking tracker for Android.

Get it on Google Play