Ambient that stays out of the way.

Six generative themes for focus. No account and no tracking. Every theme plays free for five minutes at a time. Grain Unlock is $19, once. It removes the cap and adds a sleep timer, full screen, lock-screen playback, and offline install.

Listen free Buy unlock ($19)

Themes

The plate is the same frost gray in every theme. The marks and the music change.

Space theme, a frost-gray field with a constellation — **space**
open, cold, and far away

Ruins theme, weathered marks on a frost-gray field — **ruins**
dark, weathered, a little uneasy

Abyss theme, deep-water marks on a frost-gray field — **abyss**
deep, muffled, underwater

Solstice theme, a warm disc on a frost-gray field — **solstice**
warm, bright, open air

Arctic theme, thin ribbons on a frost-gray field — **arctic**
high, thin, and icy

Monastery theme, candle flames on a frost-gray field — **monastery**
sung drone, stone hall, a deep bell

Questions

What does $19 buy?

Grain Unlock removes the five-minute cap. It also turns on the sleep timer, full screen, Background mode for an iPhone lock screen, and offline install. The focus timer and all six themes are free.

Do I need an account?

No. A license key from Polar unlocks this browser. The key stays in local storage on this device.

Who handles payment?

Polar is the seller of record. Polar takes the payment and sends the license key. Grain never sees the card. The privacy page says what is stored and what is sent.

Will it keep playing if the phone locks?

With Grain Unlock, turn on Background mode, then press Play. The player renders a file and hands it to the system audio control. Without that, live audio stops when the browser is suspended.

Is this the Mac and iPhone app?

No. The native app is a separate purchase. A web license does not unlock the app, and an app purchase does not unlock the web player.

Grain · Privacy · Listen at the player