Launching in 2027

Beat the afternoon
brain fog.

We’re building a new kind of device designed to help you regain alertness and focus when your energy drops.

You’re on the list.We’ll email you when early access opens.

Early testing underway withSan José State University

Launching in 2027. Early testing underway.

Helder is Dutch for clear. We’re building it for the part of the day when your head isn’t.

Helder, brushed copper

The afternoon dip

You know the feeling. Mid-afternoon, focus slips, energy drops, and another coffee barely makes a dent.

Where we are

  1. DevelopmentIn progress
  2. Early testing Now

    Helder is being tested at
    San José State University.

    San José State University
  3. Early accessWaitlist members first
  4. Launch2027
Why I’m building Helder
“Every afternoon around three, my focus just disappeared. Coffee stopped helping, so I started building something that would.”

What began as a side project is now in early testing at San José State University.

Get in touch
[email protected]