Latest NewsMeta ‘eavesdropping’ case shows how period apps have become a data goldmine DorySeptember 3, 2025 Few things feel more private than what you tell your period app. Month after month, you confide your most intimate details: when your period arrived, how often you had sex, whether you masturbated, if you’re trying to have a baby. You treat it like a digital diary, believing these intimate details remain safely tucked away in your phone. AppDigital spyingMenstrual Cycle TrackingMetaUnited States