How does Ovia handle user data

Ovia's business model includes offering employers an aggregate analytics version of user data for workplace wellness programs. This is disclosed in Ovia's terms of service, but users may not realize that selecting a workplace plan means sharing data with their employer's wellness program. The consumer app version does not involve employer sharing.

What happened with Flo and the FTC

The FTC took enforcement action against Flo Health in January 2021 after finding Flo shared user health data, including menstrual cycle information and pregnancy status, with Facebook, Google, and third-party analytics firms through embedded SDKs. The consent order required Flo to obtain user consent before sharing health data and to notify affected users. The FTC case reference is 192-3133.

What happened with Premom and the FTC

The FTC took enforcement action against Easy Healthcare Corporation (maker of Premom) in May 2023 for sharing sensitive user data, including precise geolocation and health information, with Chinese analytics companies Umeng and Jiguang without adequate disclosure or consent.

Which period tracker is best for users in states with abortion laws

For users in states where reproductive healthcare is criminalized, the key factor is whether data can be subpoenaed from a company server. Only on-device trackers, Floriva, Euki, and Drip, eliminate this risk architecturally. These apps store nothing on external servers, so there is no record to produce in response to a subpoena.

pricing-breakdowns

Period Tracker Pricing (2026): The Real Cost of Free

11 period trackers from $0 to $12.99/mo. Two have FTC enforcement actions. Three store data on-device. Full pricing and privacy table.

The Market: $0 to $12.99/mo The period tracker market splits into three pricing categories. Free, data monetized : Flo's free tier, historically. The app is free because user health data funds advertising revenue. The FTC documented this with Flo in 2021. It is the oldest business model in consumer tech applied to reproductive health data. Free, mission funded : Euki, Drip, Spot On. These apps charge nothing because a nonprofit or open source community funds them. No data monetization, but sustainability depends on grants and community maintenance. Paid subscription : Flo Premium ($4.99/mo), Clue Plus ($9.99/mo), Stardust ($7.99/mo), Glow ($9.99/mo), Natural Cycles ($12.99/mo), Floriva ($5.99/mo). The subscription covers server infrastructure, app development, and in some cases FDA clearance and clinical research. Note: Natural Cycles raised prices in June 2025. The $12.99/mo figure listed here was current at original publication. Check current rates directly. The Two Verified Data Sharing Incidents Two apps in this comparison have documented FTC enforcement actions. Flo Health (2021) : The FTC found Flo shared health data, including period dates, pregnancy status, and symptoms, wi