The simplest personal event tracker. Tap a category — timestamp saved instantly. No forms, no setup. Track headaches, coffee, mood, medications, workouts, or anything in your life. Add intensity, notes, photos, and GPS. Beautiful charts reveal your patterns by day, week, month, and year. Smart insights automatically find correlations between your categories. 100% private — all data stays on your device. No account, no cloud, no tracking. Built by a solo indie dev from Switzerland.