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From periods to pregnancy & perimenopause, Flo helps you track it all. Try now.
By Irfan Rosli
News editor
Flo Zyklus- & Periodenkalender is a period calendar and ovulation tracker from Flo Health Inc., listed under the medical category on Google Play. The developer describes it as an app for cycle tracking, fertility and pregnancy. It is meant for people who want to log their cycle over time and see when their period and ovulation are due.
The listing also says the app covers perimenopause, so it is pitched at people across several life stages rather than only at one part of the cycle.
Recording your period is the core use. The developer says the app then predicts when ovulation is due, so the calendar shows the cycle ahead as well as the days already logged.
The build we hold is Flo Ovulation & Period Tracker 10.8.1 (APKS split bundle) for Android 10 and up.
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Recognizing fertile signs is a separate feature. The developer says the app helps you learn the signs your body gives when you are fertile.
The listing says the app helps you spot perimenopause symptoms, which extends its use beyond a regular cycle. The developer describes it as supporting women's health through each life stage.
It is also described as an app for fertility and pregnancy, so the same calendar is meant to carry from cycle tracking into pregnancy.
According to the short summary attached to the listing, the app includes a pill reminder. It sits alongside the period calendar, so cycle tracking and pill timing are kept in one place.
Anonymous mode lets you use the app without linking your identity to your health data. The developer says that not even Flo itself can identify you in this mode.
The developer says the app encrypts data at every level, using the same standards banks and government bodies use, and that it holds ISO 27001 and ISO 27701 certification. It also points to a Trust & Safety Hub and a privacy and security page inside the app.