Ranked in these QuestionsQuestion Ranking
Pro Keeps track of segments without user manually timing them
Segments - can track your improvements or compare with friends, club members without manual input. Or you can keep them private
Pro Can share running routes with others
Running is boring if it's the same stretch of road. Stava lets you share good places to run.
Pro Watch the Pro's
You are able to follow some profession athletes and see their training etc Makes you realise how hard they train
Pro Equipment tracking
This lets you figure out how many miles you've put on a pair of shoes before it's time to get a replacement pair.
Pro Supports multiple devices
Current list includes:
iPhone 3GS and later,
Android 2.2 and later,
Garmin Forerunner and Edge,
Timex Run Trainer 2.0
Pro Allows challenging other people
You can set a goal and challenge friends as well as local professional athletes.