Two flagship devices, one teen line, a small library of books, and the accessories that go with them. All Swiss-engineered, all family-run since 1986, all one-time purchases with no subscription.
App-connected. Cycle history, charts, and patterns at your fingertips.
Completely app-free. Everything happens on the device, nothing leaves it.
The first period tracker made for teens. Four colors, no app, on-device only.
Daysy, Lady-Comp, and Teena. Three ways to know your cycle.
Shop cycle trackers →Mother-daughter bundles pairing Daysy or Lady-Comp with Teena.
Shop bundles →Travel cases, wooden cases, cables, replacement parts.
Shop accessories →Cups, underwear, tampons, and starter kits from vetted partners.
Shop period products →Reading we trust. Period Repair Manual, Beyond the Pill.
Shop books →Battery replacement, device upgrades, exchanges.
Shop service →The Elvie trainer, a partner product we recommend.
Shop pelvic floor →Barrier options that pair well with cycle tracking.
Shop contraception →One-on-one cycle coaching from certified experts.
Shop coaching →Four questions, two minutes. We'll match you to the device that actually fits how you live.