built by Envl Choose image

Open on your phone

Solo needs live gravity readings. Open this page in Safari on your phone, allow motion access, then face the screen toward the sky.

meet iPhone Solo. The half of iPhone Duo you already own. https://t.co/olFeT1OtDi pic.twitter.com/yFyifbFtGi
— Envl (@SesamPicr) September 9, 2026

built by Envl

Enable motion

Allow motion access, then tilt your phone to unfold the image.

More room to unfold

Add Solo to your Home Screen to open it without Safari’s bars.

Tap Share in Safari.
Choose Add to Home Screen.
Keep Open as Web App on, then tap Add.

Open Solo from your Home Screen to begin.