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 cleanly 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 no revenue model means 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. The Two Verified Data Sharing Incidents Of all the apps in this comparison, two have documented FTC enforcement actions: Flo Health (2021) : The FTC found Flo shared health data, period dates, pregnancy status, symptoms, with Facebook and Google advertising SDKs without user consent. The FTC issued a consent order. In September 2025, a combi