When comparing Hyperdock vs RCDefaultApp, the Slant community recommends Hyperdock for most people. In the question“What are the best power user tools for macOS?” Hyperdock is ranked 25th while RCDefaultApp is ranked 69th. The most important reason people chose Hyperdock is:
Hyperdock adds a lot of small improvements to the default mac dock, like better iTunes controls and calendar event previews.
Ranked in these QuestionsQuestion Ranking
Pros
Pro Lots of small improvements to the dock
Hyperdock adds a lot of small improvements to the default mac dock, like better iTunes controls and calendar event previews.
Pro Select individual application
Select individual application windows just by moving the mouse on a dock item, use mouse clicks to quickly open new windows and many more.
Pro Lets you easily find a window you have open
Pro Scroll up/down on menu bar to change size
Scroll up for full size.
Pro Snaps to corners
Pro Provides missing functionality
Standard features on Windows, but not on Mac, this fixes that.
Cons
Con Not under active development
Hyperdock doesn't seem to be under active development and hasn't been updated since october 2014.
Con Can't bring back the 3d dock
Con Last update was in 2009
But the software still works, so far no issues on El Capitan 10.11.3.