RepeatPlay app for iPhone and iPad

RepeatPlay is a music player which can replay music and control playing speed for language listening study or practicing instruments.

You can select music from iPod Library and replay all selected music, a single music, or specified parts of music.
The button right side of play button can specify all/single/part replay mode.

Playing speed can be adjusted by slider or stepper and can be set between 1/4 to 4.

[About professional version]
The professional version can dot the following
- Eliminate advertise
- Can set multiple parts, up to 4
- Can skip 5/30 seconds back and forward