CHRONODROMIA
🔒 Zero Data CollectionNo Account RequiredWorks Offline
Privacy-First Period Tracking

Your Cycle. Your Privacy.
Your Control.

In a world where your most intimate health data is bought and sold, Chronodromia is different. Your period data never leaves your device. Ever.

🛡️
The Chronodromia Privacy Promise
  • ✓ All data stored locally on YOUR device
  • ✓ No account required to use
  • ✓ Works 100% offline
  • ✓ No analytics on your cycle data
  • ✗ No cloud sync (by design)
  • ✗ No data selling (we can't sell what we don't have)
Start Tracking Privately →
How We Compare
Other Apps
Chronodromia
Account Required
Yes
No
Data Stored
Their Servers
Your Device
Sells Data
Often
Impossible
Works Offline
No
Yes
Tracks You
Yes
Never
⚠️ Why Privacy Matters Now More Than Ever
Period tracking data has been used in legal proceedings. Major period tracking apps have been caught sharing intimate health data with Facebook, Google, and data brokers. Your reproductive health is your business - not theirs.
📊
Accurate Predictions
Smart cycle prediction that learns your patterns. All calculations happen on your device.
🔄
Full Cycle View
Track your entire cycle - period, fertile window, ovulation. Integrated with your life timeline.
📱
Home Screen Widget
Quick glance at your cycle status right from your home screen. No need to open the app.
📈
History & Patterns
View your complete history and identify patterns. All stored securely on your device.
🔔
Smart Reminders
Get reminded when your period is approaching. Local notifications, no server needed.
🌙
Beautiful Design
Dark mode, clean interface, easy logging. Period tracking that doesn't feel clinical.
// Where your data goes:
localStorage.setItem('period', data);
// That's it. Your device only.
Track With Privacy →
Explore more
Period tracker (A)
Integrated tracking in your timeline.
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Period tracker (B)
Cycle intelligence framing.
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Period tracker (C)
A third angle for different intent.
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New Year sprint
Resolution energy + countdown vibe.
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Resolution engine
Make progress measurable.
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Australia Day
A recurring national-day countdown.
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Triple J Hottest 100
Music countdown on Australia Day.
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Halloween
Spooky season countdown and plans.
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Easter
Variable-date countdown, handled.
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Birthdays (A)
People dates, yearly reminders, and radar.
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Birthdays (B)
A different angle on the same use case.
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Anniversaries (A)
Milestones that never get missed.
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Anniversaries (B)
Celebrate every milestone.
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Anniversaries (C)
Relationship timeline framing.
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Life timeline
See everything in one scrollable story.
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Deadlines (A)
Deadlines that do not surprise you.
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Deadlines (B)
Time until launch framing.
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Bills (A)
Recurring payments made visible.
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Bills (B)
Payment calendar framing.
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Travel (A)
Countdown to your next trip.
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Travel (B)
Adventure tracker framing.
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Habit chain (A)
Do not break the chain.
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Habit chain (B)
Every day you show up, it grows.
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Streak mode
Streaks become a timeline of proof.
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Goals (B)
Turn goals into a visible timeline.
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Goals (C)
If you can see it, you can achieve it.
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Self-care routine
Routines that stick.
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Sobriety
Milestones and rings over time.
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Your body. Your data. Your choice. Period tracking the way it should be.