esarin Join the waitlist

Introducing esarin

A quiet companion
for your wrist.

It listens when you ask, remembers what matters, and nudges you at the right moment. No screen. No feed. Just help, when you want it.

Join the waitlist Why “esarin”
The esarin band: a stone woven strap with a small graphite module and a soft sage light.

The name

A man once wrote an entire book
by blinking.

A speech therapist read him the alphabet, not from A to Z, but in the order letters are used most: E, S, A, R, I, N. At the letter he wanted, he blinked. Letter by letter, he was understood.

We named esarin after that alphabet. Technology with one job: help a person be understood, and then get out of the way.

What it does

Less app. More you.

Close-up of the esarin module and its sage light.

Listens

Only when you ask.

Press and hold to talk. Let go and it stops. The sage light means it’s listening. No light means it isn’t.

Remembers

The small things you’d forget.

A name, a promise, where you parked. Say it once, ask for it later.

Nudges

A tap, not a ping.

A quiet haptic at the right moment, never a wall of notifications.

Calm by default

No screen. Nothing to scroll.

esarin lives on your wrist and in a simple app. It’s built to give you time back, not take more of it.

0feeds, badges
or streaks

A day with esarin

There when you need it.
Invisible when you don’t.

A woman by a window with a cup of coffee, wearing esarin.
07:30Morning check-in. “What’s today look like?” Three things, read softly. Then quiet.
Hands at a wooden desk, esarin on the wrist.
10:00Focus. It holds your interruptions and lets the important one through.
A person walking on a sunlit street wearing esarin.
13:15On the move. Hold, speak, let go. A thought saved before it slips away.
esarin resting in a ceramic dish on a bedside table.
22:40Wind down. A short recap of your day, then it rests too.

The app

Simple on purpose.

Your day, your reminders, your band. Four rows instead of forty tabs. Everything esarin remembers is yours to read, edit or delete.

  • Morning check-in and evening recap
  • Reminders you set by voice
  • Focus windows that keep things quiet
  • One tap to forget anything
Three screens of the esarin app: a morning greeting, today’s list, and the band settings.

Design

Made to be forgotten on your wrist.

A soft woven band and a small ceramic module. Light enough to sleep in, quiet enough to wear to dinner.

esarin in three colors: stone, graphite and sage.

Stone: warm and neutral, goes with everything.

The esarin module resting on a travertine block in soft light.

Privacy

Yours. Only yours.

A companion only works if you trust it. These are our promises, and we’re building esarin around them.

  1. 01
    It never listens on its own. Only while you hold to talk, with the light on.
  2. 02
    Your memories stay encrypted. In transit and at rest.
  3. 03
    Forget is one tap. Delete a moment, a day, or everything.
  4. 04
    No ads. Ever. We don’t sell your data and never will.
The esarin box opened, showing the band and its charger.

In the box

Everything you need.
Nothing you don’t.

Band
Soft woven fabric, adjustable
Module
Matte ceramic, one light, one button
Charging
Magnetic puck
Works with
iPhone and Android

esarin is in development. Final details may change before launch.

FAQ

Good questions.

Is esarin always recording?

No. It only listens while you press and hold, and the sage light is on whenever it does. When you let go, it stops.

Does it have a screen?

No, on purpose. esarin talks to you through a gentle haptic tap, your earbuds, or the app. Nothing to scroll on your wrist.

How is it different from a smartwatch?

A smartwatch is a small phone. esarin is a companion: one button, one light, and help that comes to you when it matters, then goes quiet.

Can I delete what it remembers?

Yes. Every memory is visible in the app, and you can delete a single moment, a day, or everything with one tap.

Why the name?

E-S-A-R-I-N is the start of a frequency-ordered alphabet that let a man speak by blinking. It reminds us what technology is for: helping people be understood.

When can I get one?

esarin is in development. Join the waitlist and you’ll be first to hear about early access.

Be among the first.

Early access, design updates, nothing else. One email when it matters.