Howli

Sing every part. Get a harmony video.

Follow the guide, record each layer, and watch your harmony come together.

Download on the App Store

Android coming soon.

Howli practice screen with hear it and sing it controls Howli stacked voice video grid with four harmony parts Howli song picker with custom song code entry and built-in song choices
Guided harmony recording

From one voice to a harmony video.

01

Pick a song

Choose a built-in song, paste a code, or write your own.

02

Sing the parts

Follow pitch and lyric cues, watch your score, and improve each harmony layer as you go.

03

See your video

Howli combines your best takes into one harmony video.

Custom songs

Bring your own harmonies into Howli.

Create or edit vocal parts on your iPhone, or use the free browser editor and import the finished arrangement with a Howli song code.

Open the free browser song editor
Howli’s free browser song editor with pitch and lyric blocks for four vocal parts
Free browser editor
Howli’s iPhone song editor displaying pitch and lyric blocks for a custom harmony song
Howli for iPhone
FAQ

Questions before you sing?

What is Howli?

Howli is a free guided harmony singing app for iPhone. Learn each part, record your best takes, and watch them come together in one harmony video.

How does guided harmony recording work?

Listen to one part, sing with pitch and lyric cues, save your best take, and repeat until your harmony video is complete.

Can I make custom songs?

Yes. Create the vocal parts with pitch and lyric cues, then sing them yourself or send the song to another singer.

Where are recordings stored?

Recordings are processed and stored on your device. You stay in control of recordings and finished videos.

Start singing

Make your first harmony video.

Pick a song, record each part, and watch the full harmony come together.

Download on the App Store
  • No account needed
  • No ads
  • Recordings stay on your iPhone