I have been using Nike+ for the past 3 years. It’s a non-removable app on my iPhone so I figured it was worth a shot. I did some research and when I was about to buy shoes I opted for ones compatible with Nike+. I also purchased the little tracker that goes in your shoe.
Not always accurate distance.
You need to purchase both the tracker (as far as I know) as well as the Nike+ compatible shoe. This narrows your shoe choice to only Nikes.
Tracks a number of things like pace, elevation, distance, and breaks it down by the kilometer/mile
You can adjust audio distance reminders, I have mine set for every 3km I have someone telling me how I’m doing
You can add friends and see their workouts
Compatible with any shoe.
NOT limited to running.
This app tracks your walking, running, cycling, mountain biking, hiking, downhill skiing, cross country skiing, snowboarding, skating *gasp* wheelchair, rowing, elliptical and other. I would think other would include rollerblading, skateboarding, that sorta thing.
In summary I would just like to say how not cool it was that I have been running all this time and reading running blogs and never once had mentioned to me, or stumbled across people suggesting RunKeeper for a tracker. So, I’m saying it now *climbs onto mountain, bullhorn to mouth* RUNKEEPER IS ONE HECKUVA RUN TRACKER!!!!