Herelune

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Everyone
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Content rating
Everyone
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About this app

Herelune is a private and supportive menstrual cycle companion designed to help you understand your cycle, record how you feel and receive thoughtful daily guidance.

Track your cycle
Record your period start date, typical cycle length and period duration. Herelune estimates your current cycle day and provides an expected window for your next period.

Understand your cycle
View your estimated menstrual, follicular, fertile and luteal phases in a simple calendar designed to make cycle information easy to understand.

Daily supportive messages
Herelune includes hundreds of supportive messages tailored to different stages of your cycle and how you are feeling.

Mood and symptom check-ins
Log feelings and symptoms such as tiredness, bloating, cramps, low mood and energetic days.

Helpful wellbeing guidance
Selected symptoms can provide general suggestions relating to hydration, nutrition, rest, gentle movement and everyday wellbeing.

Privacy first
Your cycle, symptom and mood information is stored locally within the app on your device. Herelune does not currently require an account, contain advertising or send your menstrual information to an AI service.

Designed for users aged 13 and over.

Important health information
Herelune provides estimated cycle information and general wellbeing guidance only. It is not a medical device and does not provide diagnosis, treatment or personalised medical advice.

Cycle and fertile-window predictions are estimates and should not be relied upon as contraception or pregnancy prevention.

If you experience severe, persistent, unusual or concerning symptoms, seek advice from an appropriate healthcare professional.
Track your cycle, symptoms and moods with supportive daily guidance
Updated on
Oct 19, 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
  • No data collected
    Learn more about how developers declare collection

What’s new

Welcome to Herelune!

Your personal period and cycle tracking companion.

• Track menstrual cycles and upcoming periods.
• View estimated ovulation dates.
• Record daily moods and symptoms.
• Review your cycle history.
• Enjoy supportive daily wellbeing content.

Thank you for joining Herelune!
Content rating
Everyone
Learn more

App support

About the developer
STEPHEN MICHAEL COOPER
solarevcoops@outlook.com
30 Legh Street WARRINGTON WA3 3PA United Kingdom