Flip Player is an application that provides you with media playback capabilities for your Mac. This program comes as an alternative to playing movies and tunes with the QuickTime app (Mac's default media player) as it supports a wider variety of multimedia formats, lets you change the extension of input videos, and offers you more useful features.
In my testing, I compared the two aforementioned players to see if it's worth changing from the Mac's default to Flip Player for media playback. The first thing I noticed was the fact that Flip Player works with a lot more multimedia formats. The other thing that caught my eye was that the application provides you with two built-in players, one for movies and another for songs.
It's very simple to control the way this program operates as all its playback options can be found within its main menu or the player's window. An option I personally find to be of good use is the Dim Lights; this feature comes in handy whenever you wish to decrease the luminosity level of your desktop while watching a movie.
Nevertheless, Flip Player lacks some useful features (that are offered by QuickTime app). For instance, the program doesn't offer you an option for attaching subtitles and it takes a while to export movies. Another disadvantage is that you need to upgrade to its Pro version to have access to all of its features.
If I'd have to choose between watching videos with QuickTime or Flip Player, I'd choose the latter as its basic version (it's free) brings all the features I require when watching videos. However, if that's not the case for you and you're pleased with the way QuickTime operates, nobody should judge you for sticking to what you know you like.