Question: what are ride sharing apps?
Answer: Carma Carpooling. Carma differentiates itself as a carpooling app rather than ridesharing app. ... 
Sidecar. Sidecar's big boast is that passengers will always know the price of the ride upfront. ... 
Trees for Cars. Like many other ride share apps, Trees for Cars connects drivers and passengers. ... 
Zimride. ... 
RideScout. ... 
Uber. ... 
Lyft. ... 
Hitch.