DropDrop is an iOS habit tracker, to-do list, mood journal, and health planner in one. Build routines with flexible schedules, reminders, streaks, and heatmaps. Manage tasks with priorities, subtasks, and a calendar. Log mood with intensity and sync to Apple Health's State of Mind. Pull steps, sleep, and HRV into a daily health score. Sparks captures ideas as text, voice, photos, or links. Free, with optional Pro. iPhone, iPad, Apple Watch.