Make the
Pact.
Keep it.

90
days to form a lasting habit
0
leaderboards. Pure support.
3M+
foods in the nutrition database
How it works
Three steps to a new you.
01
Make the commitment
Pick your goal: lose weight, build muscle, or stay consistent. Choose 30, 60, or 90 days. We calculate your TDEE and macro targets from your body stats.
02
Log every day
Track workouts, log meals from 3 million foods, count steps. Your daily streak becomes visible proof you're doing the work.
03
People in your corner
Invite friends and family. They see your progress, your meals, your workouts, and can leave encouragement on any entry. No leaderboards. Just people who hold you accountable.
Features
Everything you need. Nothing you don't.
TDEE Calculator
Mifflin-St Jeor formula. BMR, maintenance calories, BMI, ideal weight, and macro splits, calculated from your body stats.
Meal Logging
Search 3 million+ foods from Open Food Facts. Full macro breakdown: protein, carbs and fat, per meal and per day.
Workout Log
Log any activity: strength, cardio, sport, flexibility. Track duration and calories burned. See your history.
Activity Calendar
90 dots. Each one a day. Watch them fill up. The visual streak is the accountability system.
Accountability Circle
Invite anyone via link or email. They see your progress. They can leave encouragement on any workout, meal, or day. No competition. Just people who keep you honest.
Progress Tracking
Weekly and monthly calorie charts. Step tracking. Commitment arc progress. Your whole journey in one dashboard.
The science
21 days is a myth. 90 days is real.
A 2024 peer-reviewed meta-analysis of 20 studies (2,601 participants) found the median time to form a habit is 59-66 days, with some needing up to 335. Pact90 is built around the real science, not the Instagram myth.