Luneva: Cycle Sync Fasting

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About this app

Luneva is cycle-synced intermittent fasting for women. Instead of one fixed fasting window every day, Luneva adapts your fasting goal to the phase of your menstrual cycle — longer when your energy is rising, gentler before your period.

FASTING THAT FOLLOWS YOUR CYCLE
Most fasting apps are built for a 24-hour body. Women's hormones move on a monthly rhythm. Luneva combines a period tracker and a fasting tracker so your daily fasting goal always matches where you are in your cycle:
- Menstrual phase: rest and a shorter fasting window
- Follicular phase: rising energy, longer fasts
- Ovulatory phase: your peak window
- Luteal phase: gradually shorter fasts as your period approaches

SEE YOUR WEEK AT A GLANCE
A color-coded weekly cycle strip on your home screen shows your phase for every day ahead. Tap any day to see its cycle day, phase and fasting goal.

PERIOD & CYCLE TRACKER
- Log your period with two taps: first day and last day
- Period and ovulation predictions that learn from your cycles
- Full cycle calendar with every phase color-coded
- Period history with symptoms

UNDERSTAND YOUR HORMONES
An interactive hormone chart shows how estrogen, progesterone, LH, FSH and testosterone shift across your cycle, with a phase-by-phase guide to energy, nutrition and movement.

FASTING TRACKER
- One-tap fasting timer with phase-based goals
- Log how each fast felt: energy and hunger
- Fasting history and weekly progress
- Gentle reminders for each new phase

PCOS MODE
Living with PCOS? Turn on PCOS mode for fasting goals designed with insulin sensitivity in mind.

PRIVATE BY DESIGN
Your data is encrypted in transit, never sold and never shared with advertisers. Delete your account and data anytime from Settings.

Luneva is a wellness app and does not provide medical advice. Talk to your doctor before starting intermittent fasting, especially if you are pregnant, breastfeeding, have diabetes, or have a history of disordered eating.
Cycle-synced intermittent fasting for women. Period tracker & hormone guide.
Updated on
Oct 15, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
  • No data shared with third parties
    Learn more about how developers declare sharing
  • This app may collect these data types
    Personal info, Health and fitness, and App activity
  • Data is encrypted in transit
  • You can request that data be deleted

What’s new

• New weekly cycle strip on Home: tap any day to see its phase and fasting goal
• Easier period selection: tap the first and last day
• Improved cycle and phase accuracy
• Bug fixes and performance improvements