guides

Period App Data Minimization: How to Reduce What Gets

Data minimization means not creating records that don't need to exist. For period apps, that means no account, no cloud sync, no analytics SDK. Each design

Privacy advocates use the term "data minimization" as a principle, but it's most useful when applied to specific design decisions that have specific privacy consequences. For period apps specifically, four design choices determine the vast majority of the data exposure risk: Decision 1: Account Requirement What it creates: A persistent, company held mapping between your identity (email, phone number, or social login) and your health records. The privacy implication: Without an account, even if your cycle data were disclosed (through a breach, subpoena, or company sale), the records exist without your name attached. With an account, law enforcement or a bad actor has everything they need to associate health data with a specific person. The subpoena scenario: When law enforcement seeks data about a specific person, they typically provide identifying information (name, email, phone number) to the company. Without an account, the company has no way to locate records associated with that identifying information. With an account, they can return everything associated with your email. What to look for: Apps that offer anonymous use, email free accounts, or no account at all. Some apps off