Privacy Review: Flo
By Shoshana Wodinsky Julai 16, 2026Is Flo safe to use after its data sharing scandals? Read our privacy review to see how the world's most popular period tracker handles your sensitive health data and why we gave it a score of 7 out of 10. In our testing, we found a company that did the work to keep its reproductive-health modeling contained. In this category, that’s not something you should take for granted.