Unlike other music video tools, this app is specifically designed for music.

It:
1. allows you to choose any portion in music file easily by simple tap and drag
2. adjusts photo and text duration automatically for music changes
3. even supports repeating a GIF automatically to fit music length
4. provides a powerful track panel to see all the music/photo/text changes
5. lets you add multiple layers to create complicated effects & transitions
6. allows you to review and edit photo/text in video by simple touch and drag

In addition, it's
- Free
- No watermark in output video
- No distracting ADs
- support popular music/sound file(mp3/wav/m4a/ogg...)
- support most image format(jpg/png/gif...)
- support 480P/720P/1080P video
- support both landscape and portrait video

This app is still in development, and any suggestions are welcome.