Clara is your private period & cycle tracker. Predict your next period, log mood, sleep & symptoms, and understand your body — all kept safely on your device.
Clara — Period & Cycle Tracking
Track your menstrual cycle with privacy and clarity. Clara blends simple daily logging with cycle-phase-aware insights, so you can see patterns in flow, symptoms, sleep, and mood across every phase of your cycle. All data stays on your device.
KEY FEATURES
CYCLE TRACKING
- Visual calendar with color-coded flow intensity
- Log spotting, light, medium, and heavy flow
- Next-period prediction with a confidence interval
- Personalized fertile window based on your own cycle history
- Average cycle length and variability from your data
SYMPTOM LOGGING
- Log 16+ common symptoms across your cycle
- View symptoms grouped by phase (menstrual, follicular, ovulatory, luteal)
- Spot patterns in cramps, headaches, mood, digestion, and more
SLEEP & MOOD (Premium)
- Log sleep hours, sleep quality, wake-up mood, and energy
- Automatic sleep import from Apple Health — open Clara and your graphs are already filled in
- Manual entries always win over imported values
- Correlate how you slept and felt with the phase you were in
CYCLE INSIGHTS (Premium)
- 14-day recent activity strip: flow, sleep, and mood at a glance
- Symptom heatmap across menstrual, follicular, ovulatory, and luteal phases
- Sleep, mood, and energy by phase — including a percent-stacked view of mood distribution
- Ovulation and fertile-window estimates tied to your personal cycle length
OVULATION & FERTILITY
- Estimated fertile window on the calendar
- Gradient display for the ovulation period
- Calculations based on your own cycle history
- Complete monthly cycle at a glance
APP LOCK (Premium)
- Face ID / Touch ID lock for peace of mind
- Clara stays locked until you authenticate
EXPORTS
- PDF reports for healthcare visits
- CSV data export for spreadsheets
- iCal calendar export for predicted dates
- Custom date ranges (Premium for complete history)
PRIVACY FOCUSED
- All data stored locally on your device
- No cloud sync, no accounts, no tracking
- No analytics, no advertising
- You control every entry
FREE VS PREMIUM
Free:
- Last 2 months of data access
- All core logging features
- Basic pattern viewing
- PDF export
Premium (one-time purchase, no subscription):
- Full historical data access
- Cycle Insights (heatmap, sleep/mood/energy charts)
- Sleep & Mood logging with Apple Health auto-sync
- App Lock with Face ID / Touch ID
- Complete PDF / CSV / iCal exports
- Single purchase, no recurring fees
MULTI-LANGUAGE SUPPORT
Available in English, German, Spanish, French, Japanese, and Korean — fully localized.
ABOUT
Clara is a personal tracking tool. Menstrual cycles vary naturally between individuals. Pattern views are observations based on your logged data and are intended to inform conversations with your healthcare provider.
Note: Clara does not provide medical advice, diagnosis, or treatment. Always consult a qualified healthcare professional.
Ratings & Reviews
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What's New in Clara
- Key Takeaways: see, in plain language, how your sleep, mood, and energy shift across your cycle.
- New cycle health summary, at a glance.
- Earlier period reminders: an optional heads-up a couple of days before your predicted period — now in your language.
- More reliable purchases and Restore.
- Your data is safer than ever: if anything ever goes wrong opening your data, nothing is deleted and you're guided through recovery.
- Notes-only days are now saved.
- Polish and bug fixes, including a calendar display fix.
Thank you for using Clara!
Version 2.8
The developer, Andres Wetzel, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Privacy practices may vary, for example, based on the features you use or your age. Learn More
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
Seller
Andres Wetzel
Size
8.4 MB
Category
Health & Fitness
Compatibility
Requires iOS 16.6 or later.
iPhone Requires iOS 16.6 or later.
iPad Requires iPadOS 16.6 or later.
Mac Requires macOS 13.5 or later and a Mac with Apple M1 chip or later.