CoSketch
Real-time Collaborative Drawing
CoSketch lets you draw on a shared canvas with people nearby — in real time, with zero setup. No internet. No accounts. No cloud. Just open the app, create a room, share a 4-digit code, and start drawing together using peer-to-peer connectivity.
Key features
What CoSketch does well
Draw Together Instantly
Host a room and share a 4-digit code; friends join with no sign-up.
Peer-to-Peer, No Internet
Works over local WiFi with zero cloud dependency.
Full Drawing Toolkit
Pens, pencils, brushes, highlighters, and full Apple Pencil pressure support.
Live Reactions
Send emoji reactions to the canvas and see everyone's reactions in real time.
Canvas Backgrounds
Blank, Grid, and Dot included; premium adds Lined, Isometric, and Dark.
Save & Export
Drawings auto-save locally and export as high-resolution images.
Get the app
Available on the App Store.
The fine print