What does a Howli video look like?

Howli is a harmony singing app for iPhone and Android. This example shows its split-screen camera video with glowing pitch lines, circular markers and outlined note bars.

Split-screen faces. Each panel is a separate selfie recording of one vocal part. One singer can record all the parts.
Neon pitch trails and circles. A glowing ball follows the recorded voice’s pitch, with a coloured trail behind it.
Rounded note bars. The outlined horizontal bars show the notes in the arrangement.

This still has yellow, green, magenta and cyan panels. Colours, layouts and visible pitch guides can vary between Howli videos.

Is Howli a singing game or a karaoke app?

Howli is a guided harmony singing and recording app for iPhone and Android. You follow pitch and lyric cues, get scores for guided takes, and record each vocal part separately. Your recordings come together as a split-screen harmony video.

Is Howli a TikTok singing filter?

Howli is a separate harmony recording app. You record your vocal parts in Howli, then export the finished video to share on TikTok or elsewhere. The glowing lines and circles show your recorded pitch.

Howli split-screen harmony video: four recordings of one singer with yellow, green, pink and cyan pitch trails, white circles and outlined note bars — A still from a finished Howli video: four recordings of one singer, with coloured pitch guides over the camera video. Open the image for the full-size reference.