Howli

Join the duet

Your friend's song is in the .howli attachment in your message. Open it in Howli, then add your part.

Already have Howli?

Return to your message, open the attachment's sharing menu and choose Howli.

If Howli isn't offered:

  1. Save the attachment to Files on iPhone, or download it on Android.
  2. Open Howli and choose Join a duet on the song selection screen.
  3. Tap Choose duet file and select the saved .howli file.

The saved file imports on your device and works offline. This link does not contain or upload the song.

Get Howli

Download Howli, then add your part to the duet.

App Store Google Play

After installing, return to the original invitation and open its attachment. You can also open Howli and choose the saved file.