A keyboard that splits in two on the open screen, one half under each thumb.
Utilities · iPhone Duo app
Sill
by Noah William Saffer
Stream your Mac. Half open, it’s a laptop: picture on top, trackpad and keys below.
iPhone Duo support
Confirmed
- Confirmed in
- Release notes, version 0.5.1
- Version released
- Price
- Free
- Last checked
Checked by hand against the App Store.
Screenshots
Sill on the App Store
Screenshots from the App Store. Tap one to see it full size.
On iPhone Duo
Sill on iPhone Duo
Sill streams your Mac to your iPhone. On iPhone Duo, opening it flat fills the inner display with your Mac. Half open, it works like a laptop, with the picture above the fold and a trackpad and keys below. Closed, it runs on the cover display.
- Developer
- Noah William Saffer
- Category
- Utilities
- Price
- Free
- Platform
- iOS · iPhone Duo
Does Sill support iPhone Duo?
Yes. iPhone Duo support is confirmed in the release notes of Sill version 0.5.1, released Oct 11, 2026.
How much does Sill cost?
Sill is free to download on the App Store.
Who makes Sill?
Sill is made by Noah William Saffer and is in the Utilities category.