Period-Tracking App Stardust Shares User Data with Facebook and Ad Firms

A report reveals that the period-tracking app Stardust shares user data with Facebook and AppsFlyer, an advertising analytics company. Users can opt out via their phone's privacy settings. The app is designed to track menstrual cycles and related health data, raising concerns about the privacy of sensitive reproductive health information. The report highlights broader issues with data sharing practices in health-focused apps, particularly in the wake of legal changes affecting reproductive rights. The findings underscore the tension between user privacy and the data-driven business models of many free apps.

Global Impact

This story has significant social and industry-specific implications. Socially, it erodes trust in digital health tools, particularly for women and people tracking reproductive health, who may now fear legal or social repercussions from data leaks.