Where your health data lives
On your phone, encrypted. No server copy exists.
Cloud servers (with an optional Anonymous Mode that decouples your identity).
Account required
Never — the app has no sign-up at all.
Yes for full features; Anonymous Mode limits some of them.
App-store privacy label
Designed for “Data collected: none.”
Lists data collected and linked to you.
Predictions
Honest windows with ± ranges and visible confidence, from your real history.
Single-date predictions with a large symptom-pattern model behind them.
Free tier
Tracking, calendar, predictions, and daily insights — free forever.
Basic tracking; more features have moved into Premium over time.
Premium price
$49.99/yr or $7.99/mo · 14-day free trial, pregnancy mode included.
Typically ~$49.99–59.99/yr or ~$9.99–12.99/mo (varies by region and promos).
Free trial
14 days, every plan.
Occasional one-time trials.
Content library
Growing monthly — honest, body-literate, no fearmongering.
A decade deep, medically reviewed, enormous. The best in the category.
Community
None — by design. Evette is a tracker, not a feed.
Secret Chats and a large community, if that’s what you want.
Pregnancy mode
Week-by-week guidance, due date, trimester insights — on-device.
Mature, content-rich pregnancy mode.
Multi-device sync
No — there is no cloud to sync through. That’s the trade.
Yes, seamless across devices.
Getting your data out
Clinician-ready PDF + full JSON export, two taps, anytime.
Data export available on request under privacy law.
Deleting everything
One button. Nothing exists server-side, so deletion is total and instant.
Account deletion available; server copies governed by their retention policy.
The short version
Pick Flo if you want the deepest content library, a community, and effortless multi-device sync — and you’re comfortable with your reproductive history living on a company’s servers, even a careful one. Pick Evette if you want a beautiful, intelligent tracker where the privacy question simply never comes up — no account, no cloud, no copy to subpoena, sell, or leak — with predictions honest enough to show their error bars.
Comparison reflects publicly available information as of August 2026; Flo’s features and prices change and vary by region — check their current listing. Flo is a trademark of Flo Health Inc.; Evette is not affiliated with or endorsed by Flo Health. This page is not medical advice. Want the long-form version? Read Looking for a Flo alternative? in the Journal.