Bigger Blacker Book

Bigger Blacker Book is a private sexual health and encounter tracking app built for real life — not shame, guesswork, or awkward memory gaps.

It helps you record sexual encounters clearly and flexibly, capturing the details that matter to you without forcing labels or assumptions. Your history stays organized, searchable, and entirely under your control, so you can make more informed decisions without relying on memory alone.

Beyond encounters, Bigger Blacker Book helps you manage your sexual health over time. You can track STI screenings, medications, and reminders, keeping everything in one secure place. Optional features let you share status information when you choose, while keeping your data private by default.

Originally built to serve queer communities and informed by lived experience, Bigger Blacker Book is designed for anyone who values honesty, autonomy, and better tools for managing their sexual health — without judgment, gamification, or pressure.

See our EULA (https://www.apple.com/legal/internet-services/itunes/dev/stdeula/), Privacy Policy, and Terms of Use on our website or in the app.

Your data belongs to you. Nothing is shared unless you decide it should be.