You can easily create slow motion videos and high speed videos.
You can select the playback speed from a variety of speeds.
You can also change the pitch of the sound to match the playback speed, or maintain the pitch.

In the Pro version, the following features are available.
- You can freely set the playback speed from 0.1x to 20x.
- Maintain pitch (high quality).

Notice
- If the playback time is shortened (less than 1 second), it may fail to save the video.
- If you change the speed of a video other than the one taken with your iPhone, it may not convert properly.