Howli: Learn to Sing Harmonies

Hear each part, follow the notes and layer your voice into a harmony video. Choose a song, paste a Howli code or write your own, then save and share.

Sing every part. Turn your voice into a harmony video.

Howli helps you practise harmonies one part at a time. Hear the notes, follow pitch and lyric cues while you sing, and bring your best takes together in one layered performance.

Make it yours

• Choose a song, paste a Howli song code or write your own vocal parts.
• Use your vocal range to choose a starting key, then adjust it yourself.
• Record each harmony separately and hear the parts together.
• Save and share your finished harmony video.

Start free Free practice includes a daily recording allowance, with full-quality saving and sharing included. Songs you write from scratch in Howli have unlimited free practice on your iPhone.

Howli Unlimited Keep practising with unlimited recording attempts for every song and part. Choose a monthly or yearly subscription, or lifetime access with one purchase.

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