Compare
Mori vs other period trackers
How to read these: each comparison sticks to verifiable facts — price, account requirements, where records live, offline behavior — and links to the competitor's own pages and independent coverage. Mori's position is consistent throughout: free core features, no account, on-device records, estimates shown as ranges with confidence, and a one-time US$3.99 if you ever want encrypted sync.
The comparisons
- Flo vs Mori — the biggest subscription tracker vs a free, no-account app. Includes Flo's 2021 FTC settlement over health-data sharing.
- Clue vs Mori — science-backed, GDPR-protected tracking vs zero-account, fully-offline tracking.
- Euki vs Mori — the two privacy-first outliers compared: nonprofit no-cloud vs optional encrypted sync and export.
- Apple Health vs Mori — built-in iOS cycle tracking vs a dedicated, account-free tracker for Android.
- Stardust vs Mori — astrology-flavored tracking with a subscription vs plain, no-account tracking — plus the 2026 Mozilla data-sharing finding.
The short version
| Price | Account | Records on servers | Offline | |
|---|---|---|---|---|
| Flo | Subscription (≈US$10/mo or US$60/yr) | Required | Yes | Partial |
| Clue | Subscription (Clue Plus) | Required | Yes (EU/GDPR) | Partial |
| Euki | Free (nonprofit) | None | Never | Full |
| Apple Health | Free (iOS built-in) | Apple ID implied | Only if iCloud on (E2E) | Full |
| Stardust | Subscription (≈US$6.99/mo) | Required (phone #) | Yes | Partial |
| Mori | Free; US$3.99 once for sync | None | No (encrypted snapshot only if sync on) | Full |
Summarized from the public sources linked on each page; verify current terms with each vendor.