Health tech
Mori
Private period tracker app with no account required, works offline
Free period and cycle tracker for Android that requires no account, works offline, stores data locally on your phone, and offers optional encrypted cloud sync
About Mori
Mori is a free period and cycle tracker app for Android that prioritizes privacy and user control. It requires no account to use and works entirely offline by default, storing all records locally on your phone. The app provides next-period predictions shown as a date range with confidence levels based on your own history, cycle calendar view, reminders, and export functions. It includes no ads, no analytics, and shares nothing with third parties. For users who need to sync across devices or transfer to a new phone, Mori offers optional cloud sync as a one-time US$3.99 purchase with end-to-end encryption.
What we found
- Period and cycle logging in one tap
- Next-period prediction with date range and confidence level
- Cycle calendar view
- Export data as JSON, CSV, or readable summary
- One-tap delete all with confirmation
- Works fully offline with no internet required
- Optional encrypted cloud sync across devices
- Ovulation window and ovulation day estimates
- No ads, analytics, or third-party data sharing
Pricing
Pricing model: Freemium
Free for all core features (period logging, calendar, predictions, reminders, export, deletion). Cloud sync: US$3.99 one-time purchase for syncing across devices and transferring records to a new phone.
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See the alternatives to Mori, Mori vs Lunio, BabyPercentile vs Mori, Mori vs Lunio, Mori vs Genogram Maker, Mori vs Snugs, Mori vs Child Growth Lab, more in Health tech.
Common questions
- Do I need an account to use Mori?
- No. You can open the app and start logging immediately with no sign-up, email, or phone number required. An email is only needed if you later choose to turn on optional cloud sync.
- Does my period data leave my phone?
- Not by default. Everything stays on your phone with sync turned off and the app works fully offline. Records only leave your device after you turn on cloud sync, and they are encrypted on your phone first so the company cannot read them.
- How much does Mori cost?
- Logging, predictions, reminders, export and deletion are completely free and will never be paywalled. The only paid feature is cloud sync, which costs US$3.99 as a one-time purchase with lifetime access, not a subscription.
- Can I use Mori to plan pregnancy or prevent pregnancy?
- Not recommended. The ovulation day is an estimate derived from your cycle history and is useful as a reference, but it is not a contraceptive method and cannot replace a doctor's advice. For family planning purposes, consult a clinician.
- Will Mori work for me if my cycles are irregular?
- Yes. Mori does not require regular cycles and will not label you abnormal for having variable cycles. Predictions come from your own records: the more your cycles vary, the wider the date range becomes, with a lower-confidence label.
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