This app was removed from the App Store.
Mac OS Video
mChapters is a simple chapter marker editor for MP4/mov files.
No re-encoding when saving. You can use chapter markers on iPhone, iPad, iPod, Apple TV, iTunes and QuickTime Player.
・QuickTime movie (mov)
・MP4 file (mp4, m4v, m4a)
Fixes an issue where the app is crashed when doing play/pause after using two fingers gesture on the trackpad in OS X 10.10