Howli app icon

Howli

Guided Harmonies

Download on the App Store
Howli stacked voice video grid with four harmony parts Howli practice screen with hear it and sing it controls Howli song picker with built-in song choices
Make a custom song in Howli

Learn harmonies, record the stack, share the video.

Howli is a free guided harmony singing app for iPhone. Choose a song, hear your vocal part, follow pitch and lyric cues while you record, keep your best takes, and export a choir-style video ready to share.

  • Practice harmonies and learn vocal parts without guessing the notes.
  • Record each harmony layer one at a time, then stack the finished takes.
  • Make covers, acapella clips, choir-style videos, and custom song codes.

FAQ

What is Howli?

Howli is a free guided harmony singing app for singers who want to practice parts, record vocal layers, and turn one voice into a full vocal stack.

How does guided harmony recording work?

You hear one part, sing with pitch and lyric cues, save the best take, and repeat until the harmony stack is ready to export.

Can I make custom songs?

Yes. The custom song tool turns a simple MIDI vocal guide into a Howli code that can be pasted into the app.

Where are recordings stored?

Recordings are processed and stored on your device. They leave only when you choose to export, save, or share them.