Flow Fasting
Fast with your cycle.Not against it.
The only fasting app built entirely around your hormonal cycle. Every phase. Every day.
Download on App Store 7-day free trial on annual · Cancel anytime · For wellness only, not medical advice
Your cycle
Five phases.
Five phases.
Five different approaches.
Flow Fasting maps your fasting approach to each phase of your hormonal cycle — so every day works with your body, not against it.
Bleed
Rest, restore, and honor your rhythm.
Advanced fasting
Follicular
Rising estrogen — energy and clarity build.
Extended fasting
Ovulatory
Peak hormonal power. You’re at your strongest.
Efficient fasting
Early Luteal
Progesterone rising — nourish and focus.
Flexible fasting
Late Luteal
Turn inward. Honour your hunger. Rest and renew.
Nourish & rest
What’s inside
Everything your cycle needs.
◉
Beautiful fasting timer
A clay ring timer that tracks every milestone — from fat burning to autophagy and beyond.
◎
Daily phase card
Know exactly where you are in your cycle every morning with phase-specific guidance.
◈
Plan mode
Schedule your fasts up to 6 cycles ahead, mapped to your hormonal calendar.
◇
Symptom log
Track mood, energy, skin, cravings, digestion and sleep. Every log builds a picture of your cycle.
∞
Insights
See your patterns and personal bests grow with every cycle. The longer you use it, the smarter it gets.
☽
Guide
12 deep-dives into the science behind fasting — fat loss, autophagy, hormones and longevity.
Pricing
Start free. Stay for the results.
Try everything free for 7 days on annual. No commitment required.
Most popular
Annual
$39.99
per year
$3.33/mo · billed annually
7-day free trial included
Save 58%
Start free trial
Cancel anytime in App Store settings · For wellness only, not medical advice
Flow Fasting
Your cycle is your superpower.
Stop fasting against your hormones.
Start flowing with them.