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Compare Period Tracker Apps

Period trackers vary dramatically in how they handle your data. We document the differences — privacy architecture, pricing, and enforcement history.

29 articles across 3 categories

App Alternatives

10

Looking to leave Flo, Clue, or another tracker? See how Floriva compares on data privacy and architecture.

Head-to-Head

11

Side-by-side privacy and data practice comparisons of popular period trackers.

Pricing Breakdowns

8

What period tracker apps cost — and what they do with your data when you're not paying.

Why does it matter?

The FTC took enforcement action against Flo in 2021 for sharing reproductive health data with Facebook and Google. In September 2025, a combined $59.5M class action settlement was reached. Period tracker data has no HIPAA protection — it can be subpoenaed. Architecture, not policy, is the only reliable privacy guarantee.

Floriva: On-device storage — no account required, nothing to subpoena
How does Floriva's data privacy compare to Flo's?
Flo stores cycle data on its servers and has a documented history of sharing that data with third parties — the FTC took enforcement action against Flo in 2021. Floriva uses on-device storage only. There's no account, no cloud sync, and nothing to subpoena or sell.
What should I look for when comparing period tracker apps on privacy?
Look at where the data lives (device vs. cloud), whether an account is required to use the app, and whether the app has ever faced regulatory action for data sharing. Architecture is more reliable than privacy policies — a policy can change, but an on-device-only app can't share data it doesn't have.
Do free period tracking apps sell user data?
Multiple free period trackers have documented histories of sharing health data with advertisers or analytics firms. Flo settled a class action for $59.5M in 2025 over data-sharing practices. 'Free' typically means the data is the revenue model. These comparison pages document what each app does with your health information.
Is Clue safer than Flo for period tracking data?
Clue has a better public stance on privacy than Flo, but still requires an account and stores data in the cloud. The versus pages do a direct comparison of the two apps' data practices so you can evaluate the tradeoffs yourself.

Ready to track without the risk?

Floriva is From $2.99/month. Data stays on your device — we can't sell what we don't have.