fertility, for two
Your data, your terms
Half of fertility is his

The anxiety is already here.
We're the part that helps.

Most fertility apps track her and hand him a calendar. Gemel starts with a calm read on his fertility — then gives you both a plan you run together.

Two minutes. No account. Your result is free — and stays free.

You don't need another app to tell you to worry. You need one that hands back control.

01 — Clarity

A read, not a verdict

See where you stand today, in plain language. No jargon, no scare tactics, no paywall hiding your result.

02 — Agency

The levers are yours

Sleep, heat, movement, stress — the things that move male fertility are mostly things you already control.

03 — Together

One team, one timeline

Sync with her cycle so you both know what matters this week. Fertility stops being her job alone.

Your baseline

A calm read on your fertility

8 quick questions · free result

Fertility signal

Where the number moves

Your baseline is free. The change is the plan.

Knowing where you stand shouldn't cost anything — so it never will. What we build is the 90 days after: a plan tuned to your levers, progress you can watch, and your partner on the same page.

A 90-day plan built on your levers.

Small, specific changes ranked by impact — not a generic "eat well, sleep more" list.

Watch your signal move.

Sperm health responds over ~90 days. See the line trend up as the habits stick.

Sync with her cycle.

One shared "this week" view so you both know the fertile window — and what each of you does about it.

$9/ month
Founding price — locked for life $19/mo later
  • Your personalized 90-day plan
  • Weekly re-scoring & progress
  • Partner sync & shared timeline
  • Private by default. Export or delete anytime.

No charge today. We'll email when your plan is ready.

You're on the list.

We'll be in touch as Gemel opens up. Thank you for betting on the calm version.

The quiet promise

Reproductive data is the last thing that should leak.

Yours to take back.

Export everything or delete your account in one tap — no email chains, no dark patterns.

Never sold, never brokered.

We make money from a subscription, not from your data. That's the whole business model, on purpose.

No shame, no blame.

Male-factor is half the story and none of it is a character flaw. The tone here is teammate, not diagnosis.