Log one daily action and watch compound consistency transform your life over time. Built on the mathematics of James Clear's Atomic Habits.
Stackd keeps it ruthlessly simple — one check-in per day. The power is in the math, not the complexity.
One tap: Growth (+1%) or Decline (-1%), with an optional micro-journal entry. That's it. Simple enough that you'll actually do it every day.
Your live multiplier since Day 1 — visualized as a progress chart. Watch the math work in real time as consistency compounds over weeks and months.
Accountability groups with a leaderboard ranked by Compound Score. Stay consistent, climb the board, and keep each other honest.
Always-visible score and streak on your home screen — iOS and Android. A constant reminder that today's 1% matters.
Earn badges at ×2, ×5, ×10, and ×37.8 (the full-year +1% daily result). Each milestone proves the math is working.
Post your Compound Score to social media. Share your progress, inspire your circle, and make consistency contagious.
| Habit Pattern | Formula | After 1 Year |
|---|---|---|
| +1% every day | 1.01^365 | ×37.8 — the gold standard |
| +1% for 6 days, -1% for 1 | (1.01^6 × 0.99)^52 | ×13.2 — still transformative |
| -1% every day | 0.99^365 | ×0.03 — almost nothing left |