Everyfeaturebuiltforyou
From a personalised fasting timer to health-aware safety features. Here is everything Intermittent offers.
Fasting Timer
Real-time countdown and count-up timer. Visual metabolic stage progression. One-tap start and stop. Extend your fast with +2 hours. Journal entries during your fast to log mood, hunger, energy, and symptoms.
Personalised Metabolic Stages
Six stages from Fed State to Deep Autophagy. Each stage personalised to your body based on sex, age, eating style, and experience. Tap any stage for detailed science (Pro).
Fasting Plans
12:12, 14:10, 16:8, 18:6, 20:4, OMAD, 24-Hour, and Custom. The app recommends a plan based on your full profile.
Weight and Body Metrics
Log weight with a smooth number picker. Track over time with SVG charts. Estimated body fat (Deurenberg formula), BMI, and trends. Set target weight.
Ketone and Glucose Estimates
Personalised ketone estimates based on fasting duration, sex, eating style, and GLP-1 status. Glucose estimates adjusted for diet and medication.
Water Tracking
Personalised daily water goal (35ml/kg + adjustments). Track in glasses, litres, or fl oz. Smart reminders. Celebration animation. Weekly trend chart.
Article Library
40+ articles covering fasting science, nutrition, metabolic health, women's health, and more. Pro users get a personalised "For You" feed.
Notifications
Morning water reminders, electrolyte nudges, fasting milestone celebrations, streak celebrations, eating window notifications. All customisable.
Streak Tracking
Track your fasting streak. Milestone celebrations at key streaks. Streak recovery mechanic (Pro).
Progress Photos
Take and store progress photos. Gallery view with fanned photo card visual. Track your visual transformation.
Challenges
Multi-day fasting challenges with rules, progress tracking, and completion rewards.
Guided Plans
Structured multi-week fasting programs designed for specific goals.
Apple Health Integration
Sync steps, active energy, weight, heart rate, and sleep. Fasts logged as mindful sessions. Full user control.
Data Export
Export fasting history, weight, sleep, water, and metabolic estimates as CSV or PDF. Last 7, 30, 90 days, or all time.
22-Screen Personalised Onboarding
Comprehensive flow capturing goals, body metrics, schedule, health conditions, dietary preferences, and notification preferences.