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 launchYou’re rather in sync this morning.
A virtuous circle
The cycle informs the body, the body brings the couple closer, the couple cares for the cycle. diapason links all three — like no one else.
The morning signal
Every morning, a sentence. Not a dashboard.
The app fuses your cycle, sleep, fatigue, biometrics and the parameters you add — into a single climate for the day. Tender, never clinical.
What it reads
Cycle Sleep Fatigue Biometrics Your parameters
Rather tired today — plan a soft evening.

Your cycle, no pressure
Track and understand — no alarms.
Soft hues, never alarm-red on the body. Your partner gets context, not instructions.
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
A tender space, just yours.
To reconnect, to want each other, to care for one another — in a softer corner, away from any eyes and any nudge.

- Couple-private. Nothing public.
- No community. No feed.
- Never a nudge. A tone, not an order.
- Data in the EU. Never sold.
Get notified at launch.
We’ll write once, when it’s ready. Nothing else.