The Private, Anonymous Period & Cycle Tracker That Never Sells Your Data
LunaCycle is the private period tracker alternative to popular period apps for cycle tracking, fertility, pregnancy, and perimenopause. Use Anonymous Mode with no account, keep your data encrypted on your device, and never worry about data sharing.
✦ Includes a 14-day free trial of LunaCycle Plus
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What is LunaCycle?
LunaCycle is a privacy-first period, fertility, and perimenopause tracker that never sells your data or uses ad tracking. All health data is encrypted on your device, and Anonymous Mode lets you track your cycle with zero account required. It's the private alternative to Flo and Clue — built for women who want powerful cycle insights without compromising their personal health data.
Everything you need
Period Tracker for Every Life Stage: Periods, Fertility, Pregnancy & Perimenopause
From your first period to perimenopause, LunaCycle is the women's health app that adapts to where you are — a cycle tracker, ovulation tracker, and fertility app in one private place.
Cycle Wheel & menstrual calendar
A beautiful circular wheel shows your current phase, fertile window, and days until your next period — your menstrual calendar at a single glance.
AI Daily Insights
Personalized daily tips and a private health assistant that understands your cycle, mood, and symptoms — right when you need them.
Four Health Modes
Switch modes to get a dashboard tailored to your journey.
Period Tracking & Menstrual Calendar
A clear period calendar and cycle tracker with phase predictions and fertile-window forecasts.
Conceive — Ovulation Tracker & Fertility App
An ovulation tracker and fertility app that pinpoints your most fertile days.
Pregnancy Tracker
Week-by-week pregnancy milestones from your last period onward.
Perimenopause Tracker
A perimenopause tracker for symptom and shift monitoring as your cycle changes.
Wearable cycle sync
Bring temperature, HRV, sleep, and activity into your cycle predictions with wearable cycle sync.
Anonymous community forum
Ask, share, and support others — completely anonymously. No profile, no pressure, no data trail.
Why LunaCycle Is the Best Private Alternative to Popular Period Trackers
If you're looking for a period tracker alternative that puts privacy first, LunaCycle is built around one principle: your reproductive health data is never sold. As a private period app, LunaCycle offers Anonymous Mode, on-device encryption, and a clear no-data-selling promise — addressing the exact privacy concerns that drove many away from other period apps. See our head-to-head breakdowns for LunaCycle vs other period trackers and LunaCycle vs other cycle apps.
Anonymous Period Tracking With No Account Required
LunaCycle is an anonymous period tracker — you can log every cycle day without creating an account, so there's no email and no profile tied to your identity. It's the anonymous cycle tracker, no account required, that many wish mainstream apps offered. Prefer a period app without cloud storage? Your entries stay on your device, encrypted at rest.
How anonymous tracking worksEncrypted Cycle & Fertility Tracking
Every period, ovulation, and fertility entry is AES-GCM encrypted on your device. LunaCycle is the encrypted health app and private ovulation tracker that keeps your cycle and fertility data protected — no cloud copies, no third-party sharing, and we never sell your data. The free tier shows small, non-targeted sponsor ads; LunaCycle Plus is completely ad-free.
GDPR-ready, by design
Access, export, or delete all your data anytime. LunaCycle aligns with GDPR principles for a women's health app you can trust. Read our compliance practices.
Privacy & Trust
GDPR-Compliant Women's Health App
Reproductive health is deeply personal. LunaCycle is a GDPR-ready women's health app engineered so you stay in control — a private period app that never sells your data.
Anonymous Mode
Use LunaCycle as an anonymous period tracker with no account at all — your data never leaves your device.
End-to-end encryption
Health data is AES-GCM encrypted at rest on your device.
PIN lock
An extra layer of access protection every time you open the app.
Full export & delete
Export everything or erase it permanently — anytime, on your terms.
Never sell your data
We do not sell your health data. Period tracker no data sharing, full stop.
HIPAA-aligned practices
Security safeguards aligned with HIPAA principles — see our compliance page.
Loved by users
Private tracking, real peace of mind
Women switched to LunaCycle to take their data back. Here's what they say.
"I deleted my old tracker the day I found LunaCycle. Anonymous Mode means I can log without an account, and nothing ever leaves my phone."
Maya R.
Age 27 · Verified user
"Finally a period app that doesn't sell my data. The cycle wheel is gorgeous and the predictions are spot on."
Priya S.
Age 31 · Verified user
"Perimenopause tracking that respects my privacy. No ads following me around, no creepy targeting — just my cycle, my way."
Elena T.
Age 46 · Verified user
Pricing
Start free. Upgrade when you're ready.
Core tracking and privacy are free forever. LunaCycle Plus unlocks the full experience.
Free
$0/mo
- Period & ovulation tracking (Cycle Wheel)
- Anonymous Mode, PIN lock & encryption
- Full data export & delete
- Basic symptom logging
- Anonymous community forum
LunaCycle Plus
$34.99/yr
Billed yearly — about $2.92/mo
- Everything in Free, plus:
- Ad-free experience
- All Health Modes (Conceive, Pregnancy, Perimenopause)
- AI Daily Insights & health assistant
- Wearable sync (Apple, Samsung, Oura, Whoop, Fitbit)
- Expert-backed article library
- Advanced analytics & reports
Start with a 14-day free trial
No credit card required to begin
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