Thoughtfully designed tools for knowing your body

18v20 Studio creates privacy-first tracking tools, starting with the I Know My Body Android app and a printable period tracker.

18v20 Studio creates privacy-first tracking tools, starting with the I Know My Body Android app and a printable period tracker.

Products

Choose your format

Start with the tool that fits how you track best.

A privacy-first body tracking app designed for simple, thoughtful daily use.

A beautifully designed printable tracker for people who want a flexible paper-based option.

Products

Start with the tool that fits how you track best.

A privacy-first body tracking app designed for simple, thoughtful daily use.

A beautifully designed printable tracker for people who want a flexible paper-based option.

The studio

18v20 Studio creates body tracking tools that respect privacy, reduce friction, and feel thoughtful enough to keep using.

Designed to feel safe, personal, and respectful from the start.

Built to support real tracking habits with clarity, not clutter.

Crafted with the same care for hierarchy, calm, and usability as a premium product brand.