Vayl

Is Vayl really free?

Yes. Download and run it free, no account and no credit card. The free tier is a real, usable tool, not a timed demo.

Does it record my screen?

No. Vayl draws light on top of your screen. It never captures, records, or transmits what’s on it.

Do I need the camera on?

No. It’s off by default and fully optional. Vayl works on screen and sound alone; the camera only adds real-time adaptation if you opt in, and it’s processed locally.

Is it safe to look at?

Vayl runs gentle, low-contrast rhythms tuned for comfort over long sessions, well clear of the harsh strobe range, with intensity you control. If you have photosensitive epilepsy or are sensitive to flicker, check with a clinician first.

Will it slow down my machine?

No. It’s a lightweight overlay built to sit quietly over real work (editors, design tools, browsers) without getting in the way.

Can I use it without sound?

Yes. The visual layer carries a full session on its own. Sound deepens it but is never required.

Can I turn it off instantly?

One click or a hotkey. Vayl is built to disappear the moment you don’t want it.

Mac or Windows?

Both. Signed builds for macOS (Apple Silicon) and Windows 11.