Mobile Device

These are the minimum requirements:

Operating Systems (OS) and Web Browsers

ClassDo supports the following OS and browsers for mobile devices.

Supported OSRecommended browserOther supported browser
Android 8 and above
Chrome (version 65 and above)
Microsoft Edge (version 79 and above)
iOS/iPadOS 14 and above
Safari (version 14.0 and above)

For iPhone/iPad users: DO NOT use the Google Chrome app.


VPN (Virtual Private Network) may be required in regions where Chrome is unavailable.

For Screen Sharing a Video

You cannot do screen sharing on any mobile device.

Web Camera

You need to have either a built-in or an external web camera in order to carry out a live video collaboration.

Microphone and Speakers

For the best audio quality, we highly recommend you to use a headset.

For Using Visualiser


DeviceQR code scannerRequired browserOther supported browser
Third-party app
Microsoft Edge
Built-in Code Scanner
Android Device
  1. Download a third-party QR code scanner app such as Barcode Scanner and Trend Micro™ QR Scanner at Google Play.
  2. Scan the Visualiser QR code.
  3. After scanning, open up the link on Chrome / Microsoft Edge. Or copy and paste the link onto Chrome / Microsoft Edge.

DO NOT use any browser other than Chrome or Microsoft Edge.

  1. Use a built-in Code Scanner to read the Visualiser QR code.
  2. After scanning, open up the link on Safari.

DO NOT use a third-party QR code scanner app.

Stylus (Optional)

If you need to do detailed, fine writing/drawing, you may find it convenient to use an optional stylus pen such as WACOM stylus and Apple Pencil.