← Day One
What sobriety gives back
Not a guilt trip — just the math. Put in your own numbers and see what a year without drinking returns. It all runs in your browser; nothing is sent anywhere, and there’s no account.
Money back / year
$4,160
≈ $347 every month
Calories not drunk / year
78,000
the energy in about 22 lb of body fat
Day One counts the days for you — privately, on your phone, with no feed, no coach, and no program to join. Just your streak, and the quiet proof it’s adding up.
Join the waitlist →A rough estimate from your inputs, not medical or financial advice. Calorie figures are approximate and vary by drink.