Funny you should ask. Today on my 3 mile run I was thinking just how much I love my apps. Now I only use one, Runkeeper, but when I was starting C25K I spent 1.99 on a C25K program designed by Blue Fin. Up until recently it was called C25K but they were asked by active.com to stop using it so they have redesigned it and it is called Ease into 5K. The old version was great, you could play your own music and just run or walk, like Pavlovs dog based on what the beep and ladies voice told you to do. The new version might be better- I don't know. I did not have a gps version b/c when I started I was using an itouch.
Now the only program I use is Runkeeper, by fitness keeper (in the Apple store). It is free and has a corresponding website that is great too. There is a subscription level service - but I have not paid for it yet. If you are willing to spend 3-4 minutes programming in your runs (and double checking you did it correctly you won't have to spend a dime) Here is what I like a about it:
- you can listen to your own music or even take phone calls without screwing things up
- you can program any workout you want in the "coaching" section. You can create a session that has multiple segments based on time or distance based programs (with or without repeats), or a mixture and you set each define the speed (slow, steady and fast). When I started using it I was still doing C25K for time and later when I switched to distance.
- you can choose to have a 5 minute warm up and cool down (but when you are done you can see your average speed or lack thereof) for the entire thing and each segment.
-There is also a setting that you can use to give you feed back (avg speed, distance, current speed). You choose how often you want to hear it and what information you want to hear.
-Your runs upload to a website where you can see how you've done and it creates a cumulative record
-there a social networking component you can CHOOSE to participate in, where other people can see your runs and comment.
The only negatives I've come across, my phone has not been fully charged to use GPS, music etc for the full run and dies (its a small drain but it does us battery power) Although I know someone who used it for a full marathon, you just have to charge your phone. and 2. Sometimes I set it for the wrong thing like run 3KM instead of 3 Miles.
Here's my last run- feel free to look around... http://runkeeper.com/user/edensacres/activity/61791786
And, if you have any questions, let me know. GOOD LUCK
Stephanie