Your Windows PC, on your iPad.

Mirror it, extend it, draw on it with Apple Pencil.

Download for Windows Get the iPad app

Free and open source Windows 10 and 11 iPadOS 17 or later

Use the iPad as
Connected over

Built by engineers from

  • AWS
  • Amazon
  • Sonos
  • MIT Lincoln Laboratory
  • Summit Partners
  • Philips

Watch it work.

Your graphics card does the work

Explore

Apple Pencil, with pressure and tilt

Explore
Up to
120fps*
Adaptive bitrate
4–50Mbps
Open source
FreeMIT

*On iPads with ProMotion. The lower of the PC's and the iPad's frame rate wins.

Three steps.

  1. Install on your PC

    From the download page.

  2. Open the iPad app

    Tap your PC, scan its QR code, or plug in a cable.

  3. Pair once

    Type the six-digit code the first time on Wi-Fi. The QR code skips it.

Two apps, both free.

Windows

It isn't code-signed yet, so Windows asks before it runs.

  • Windows 10 (1809 or later) or 11, 64-bit
  • NVIDIA, AMD or Intel graphics
  • For USB: Apple's free Apple Devices app (Windows 10 22H2 or 11)
Download for Windows

iPad

A public TestFlight beta, open to everyone.

  • iPadOS 17 or later
  • Apple Pencil for pressure and tilt
Join the TestFlight beta

Coming to Mac and iPhone Duo

Mac

Use your iPad or iPhone Duo as a second screen for your Mac.

iPhone Duo

Use your iPhone Duo as a second screen. It's a separate app, EternalMonitor Duo, with its own TestFlight beta.

TestFlight link soon

Before you install

Is it really free?

Yes. Free, open source under MIT, with no account.

Does it work with a Mac?

Not yet. Mac support is coming soon, for iPad and iPhone Duo; Apple's Sidecar doesn't work with an iPhone Duo. Until then, use Sidecar with an iPad.

USB or Wi-Fi?

Wi-Fi to start. A cable gives a steadier picture and charges the iPad; it needs Apple's free Apple Devices app open on the PC (Windows 10 22H2 or 11).

Is the stream encrypted?

Not yet. Pairing keeps other devices out, so use a network you trust. Over a cable, the stream stays on the cable.

Which iPads and Pencils?

An iPad with iPadOS 17 or later. Apple Pencil (USB-C) has no pressure sensor, so its strokes keep one width.

Does it send anything to you?

Yes, diagnostics while the apps run: device details, errors and stream stats, including network addresses. Never your screen, audio or pairing codes. From version 0.3.4, your PC's name, your Windows user name and the names you gave your iPad and audio devices are removed. Kept up to 30 days, sometimes less, and up to 7 more days in backups. Turn it off in Settings. Details.

Something isn't working

Made by a small studio.

Sideband Studio builds EternalMonitor for students and anyone with a spare iPad. We read every message, and your feedback shapes what we fix next :)

Send feedback Star on GitHub