Howli: Learn to Sing Harmonies
Record each part. Stack vocals
Only for iPhone
Free · In‑App Purchases
iPhone
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.
Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Ratings & Reviews
UX improvements
The developer, CandidGO Ltd, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Linked to You
The following data may be collected and linked to your identity:
- Purchases
- Location
- User Content
- Identifiers
- Usage Data
- Diagnostics
- Other Data
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
- Diagnostics
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- CandidGO Ltd
- Size
- 83 MB
- Category
- Music
- Compatibility
Requires iOS 17.0 or later.
- iPhone
Requires iOS 17.0 or later.
- iPhone
- Languages
English and 33 more
- English, Arabic, Catalan, Croatian, Czech, Danish, Dutch, Finnish, French, German, Greek, Hebrew, Hindi, Hungarian, Indonesian, Italian, Japanese, Korean, Malay, Norwegian Bokmål, Polish, Portuguese, Romanian, Russian, Simplified Chinese, Slovak, Slovenian, Spanish, Swedish, Thai, Traditional Chinese, Turkish, Ukrainian, Vietnamese
- Age Rating
4+
- 4+
- Contains
Messaging and Chat
User-Generated Content
- In-App Purchases
Yes
- Howli Unlimited Lifetime $24.99
- Howli Unlimited Yearly $14.99
- Howli Unlimited Monthly $3.99
- Copyright
- © 2026 CandidGO Ltd