Only Fasting
Your companion for intermittent fasting success
Fasting Timer
Use all standard plans from 12:12 through 72 hours for free. The phase guide is estimated from elapsed fasting time; it does not measure a biological state.
Itemized Meal Analysis
Log by photo, text, or voice and review itemized calorie and macro estimates before saving. Free includes five lifetime AI meal analyses plus a guaranteed one-time bonus of three—eight total. Premium is presented as unlimited for normal personal use.
Multi-Mode Food Scanner
Restaurant-menu, nutrition-label, and plate-comparison modes each include one lifetime Free try; Premium allows up to five uses per day for each mode. QR scans share the restaurant-menu allowance. Barcode includes one lifetime Free try; Premium allows up to five barcode scans per local calendar day.
Smart Weekly Analysis
Premium turns seven days of food, water, sleep, and activity logs into one personalized weekly summary.
Body Dashboard
Premium brings calorie balance, hydration, weight, activity, steps, and sleep together in one clear view.
Step Races & Friends
Join daily, weekly, and monthly Premium step races, add friends, and build consistent routines together.
30-Day Meal Plan
Day 1 is free; Days 2–30 require Premium. Premium includes one meal swap per day and up to two complete meal-plan refreshes per calendar month.
Water, Weight & Progress
Track hydration, weight, fasting streaks, badges, and everyday progress without losing sight of the bigger picture.
50+ UI Languages
Choose from more than 50 in-app interface languages, including English, Turkish, Arabic, Spanish, Hebrew, Greek, and more.
🍎 Optional Apple Health
With your permission, see supported steps, workouts, sleep, and health data alongside your fasting and nutrition logs.
Only Fasting is not a medical device and does not provide medical advice. Consult your doctor before starting any fasting regimen.