Habit Journal replicates the two-page notebook habit tracking system in your browser. Left page for daily moments, right page for a habit grid with handwritten crosses. It looks like a real squared notebook. Cream paper, grid lines, typewriter fonts, page-turn animations. Sleep and weight tracking built into the grid with a vertical sleep graph. Sign in with Google, syncs across all devices. Installable as a PWA. No downloads, no ads, no premium tier. Just open and start tracking.