Is Stardust safe to use now

Stardust partnered with Rownd to separate identity data from health data, but all data remains stored on company servers. Without end-to-end encryption or on-device-only storage, Stardust can access your cycle data and must comply with valid legal process. The company's willingness to make false encryption claims and silently revise its privacy policy under scrutiny raises questions about the reliability of its current privacy representations.

How can I tell if a period tracker actually has end-to-end encryption

True end-to-end encryption means the company cannot read your data even if it wants to. Ask three questions: Does the company hold encryption keys Can customer support access your cycle data Can the company comply with a subpoena for your health data If the answer to any of these is yes, the app does not have end-to-end encryption regardless of what its marketing claims.

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Stardust's E2E Encryption Claims Were Debunked in 72 Hours

Stardust surged to #1 after claiming E2E encryption on Dobbs day. TechCrunch found it sharing data with Mixpanel. What this means for tracker privacy.

Day 0: June 24, 2022 (Dobbs Day) The Supreme Court issued its decision in Dobbs v. Jackson Women's Health Organization on June 24, 2022, overturning Roe v. Wade. Within hours, millions of people began searching for private alternatives to their period tracking apps. Stardust CEO Rachel Moranis posted a TikTok that day claiming Stardust was "the first period tracker to implement end to end encryption." The timing was calculated. Fear about reproductive data privacy was at its peak, and Stardust positioned itself as the answer. The response was immediate. Stardust's daily downloads jumped from approximately 3,000 per day to 200,000 on June 25, a 4,400% surge. The app reached 1 on the US App Store, surpassing TikTok, Instagram, and YouTube. According to Sensor Tower, 82% of Stardust's total 400,000+ lifetime installs occurred in just two days: June 25 and 26. Stardust had found an enormous market overnight. The only problem: the encryption claim was false. Day 3: June 27, TechCrunch Investigation Sarah Perez and security editor Zack Whittaker at TechCrunch ran a network traffic analysis on the Stardust app. They found that Stardust shared users' phone numbers with Mixpanel, a third pa