Coming soon

Know, at a glance, how your partner is doing today.

Your cycle, your body's signal, and your life as a couple — held in one calm, private place.

Get notified at launch

You're rather in sync tonight.

Your climate today · sleep + cycle

The morning signal

Every morning, a sentence. Not a dashboard.

diapason reads your cycle and your body's signals and turns them into a climate for the day — tender, never clinical, never an order.

You're rather in sync tonight.

Your climate today · sleep + cycle

Your cycle, no pressure

Track and understand — no alarms, no fertile-window pressure.

Soft hues, never alarm-red on the body. Your partner gets context, not instructions.

Menstrual Follicular Luteal

Your rituals together

A shared memory — questions, dates, little attentions.

Light little rituals that bring you closer: a question of the day, a date you propose, a detail you never forget again. Optional, never a chore.

“What’s your favourite memory of us?”

You each answer, then you discover together.

Your intimacy, kept safe

A calm space, just for the two of you.

Everything stays couple-private. No community, no public feed, no data sold — and never an order. Closeness, in confidence.

Get notified at launch.

We’ll write once, when it’s ready. Nothing else.

No spam, never a nudge. One-click unsubscribe.