**Understand her cycle. Build a stronger relationship.**
Every relationship has easier days... and harder ones.
Sometimes the difference isn't love.
It's timing.
HerBattery helps men understand their partner's natural monthly cycle through a simple battery-inspired visualization. Instead of medical charts and complex tracking, it turns the menstrual cycle into something instantly understandable—helping you communicate with more empathy, choose better moments, and support her when it matters most.
## BUILT FOR PARTNERS
Most cycle apps are designed for women.
HerBattery is designed for the partner.
She doesn't need another app.
She needs someone who understands.
With a single glance, you'll understand today's phase, see the month ahead, and receive simple relationship insights that help you communicate—not control.
## SIMPLE SETUP
Getting started takes less than 30 seconds.
Simply enter:
• First day of her last period
• Average cycle length
That's it.
No daily logging.
No complicated setup.
## UNDERSTAND THE FOUR PHASES
🩸 **Menstrual**
Lower-energy days often call for patience, warmth, and practical support.
🌱 **Follicular**
Energy usually begins to return. A great time for plans, adventures, and meaningful conversations.
☀️ **Ovulation**
Often the highest-energy phase. Connection, confidence, and shared experiences may come more naturally.
🌙 **Luteal**
Energy gradually shifts. Choosing the right moment and communicating with empathy can make a real difference.
## FEATURES
✓ Battery-inspired daily visualization
✓ Daily relationship insights
✓ 28-day calendar overview
✓ Home Screen widgets
✓ 100% offline
✓ No account required
✓ Zero data collection
✓ No cloud
✓ No ads
✓ Supports 32 languages
✓ GDPR compliant
## PRIVATE BY DESIGN
Privacy isn't a feature.
It's the foundation.
Nothing is uploaded.
Nothing is shared.
Everything stays securely on your device.
Your partner's data belongs to her—not to us.
## PRICING
7-day free trial.
No credit card required.
Only €9.99/year.
Less than €1 per month.
## IMPORTANT
HerBattery is designed for relationship awareness and educational purposes only.
It is not intended for medical, fertility, diagnostic, or contraceptive use.
Privacy Policy:
https://herbattery.app/privacy
Terms of Use:
https://herbattery.app/terms
Developed by R-Evolution S.R.L.
https://herbattery.app
Understand her cycle. Build a stronger relationship.