Howli

Sing every part. Get a harmony video.

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

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.

Pick a song

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

Sing the parts

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

See your video

Howli combines your best takes into one harmony video.

Made for your voice

Songs that start where your voice feels good.

Sing a comfortable low note and high note once. Howli uses them to adjust guided songs before you begin. Still too high or low? Move the song up or down anytime.

Find your vocal range

C5 C4 C3

Fit songs to your voice

Your voice

Song range Original key −1 −2 −3 −4 −5

Great App

It does exactly what its supposed to. Easy to use and even no Ads! Love it

lucuza · Germany App Store review

Really enjoying so far

It’s simple and easy to use, and I’m excited to see more songs added soon!

Winklord · United Kingdom App Store review

LOVE LOVE LOVE

Use this app if you love harmonies!!!!

Jonathan Angelo P. Tuplano · Philippines App Store review

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.

Does Howli adapt songs to my vocal range?

Yes. Find your comfortable low and high notes once, and Howli uses your saved range to choose a starting key for songs with pitch guides. You can still adjust the key yourself.

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.

No account needed
No ads
Recordings stay on your iPhone