WhenDidI: Sticker Activity Log

"When was the last time I worked out?" "How long has it been since I took my supplements?"

For all those repetitive daily moments that are easy to forget! Record them in 1 second with WhenDidI — the simplest habit tracker app and sticker activity log. Check your daily routine at a glance.

Just one touch on a cute sticker is all it takes! We perfectly support your memory with a calendar, detailed statistics, and home screen widgets. Whether you need a smoking tracker, a medication tracker, or an intermittent fasting timer — WhenDidI covers it all.

📝 1-Second Recording with Stickers — Your Daily Activity Log No complicated typing! Just tap a cute icon sticker to automatically record the current time. Set up your own categories like Meds, Workout, Cleaning, Water, and more — or use it as a simple habit tracker for anything you want. Customize icons and colors for each sticker (Premium).

📅 Calendar Habit Tracker & Filters at a Glance Wondering how many days you worked out this month? Filter the calendar by specific stickers. Dates with that activity are highlighted for intuitive viewing. Use the 'YYYYMM' jump feature to quickly move to past or future dates!

📊 Smart Habit Statistics — Daily, Weekly, Monthly Daily/Weekly/Monthly Reports: Analyze frequency changes with graphs and numbers. Trend Analysis: See your positive changes over time. "When did I last…" Tracking: Tells you exactly how much time has passed (e.g., "3 days and 4 hours since last coffee").

⏱️ Built-in Health Timers — Quit Smoking, Quit Drinking, Fasting Quit smoking timer: Track your smoke-free streak and see real health benefits at each milestone. Quit drinking timer: Monitor your alcohol-free days and watch your body recover. Intermittent fasting timer: Track your fasting windows with automatic elapsed-time display.

📱 Home Screen Widgets — Widget Habit Tracker Add widgets (5x1, 5x2) to your home screen to check your last recorded time anytime. Tapping a sticker on the widget opens the app for quick recording. (Premium) Record instantly from the widget with a single touch — no need to open the app.

☁️ Secure Cloud Backup & Sync Safely store your precious records in the cloud via Google Login. Changed your phone? Just log in to restore all your records. Concerned about privacy? We provide a 'Clean Data Delete' feature to permanently wipe all your data whenever you want.

🔄 Undo & Gestures Made a mistake? Shake or tap to Undo immediately. Supports multi-selection to delete multiple records at once.

👑 Premium Benefits (Free Trial via Ads!) Instant Widget Recording: Record directly from the home screen without launching the app. Ad-free clean interface. Unlock more premium stickers and icon customization.
💡 Tip: Watch a rewarded ad to try all Premium features for free for 24 hours!