Half Marathon Trainer funktioniert nicht

The Ultimate 1/2 Marathon training app: 21K Runner is the easiest and most successful program for training for your first 21K. 21K Runner improves your fitness with an awesome training program.  The running plan is achievable and enjoyable, the app keeps a log of your runs & achievements and awards you with badges, and you can also share your progress with your friends on Facebook, Twitter, or by mail.  Motivation is the key factor in long distance running, and 21K Runner keeps you motivated - it's the true magic of this app, and it's built into every screen.  Built by pros and with proven success, this is the ULTIMATE half marathon training app.  You start with a 10K fitness level, and the running gradually increases to a full 21K.  This app keeps people running.  It even includes the motivational quotes to keep your spirit in tune with your body.  Just plug in your headphones, play your favorites music, and the app will guide you.  "If you thought that you could never run - get ready for a BIG surprise.  "One of the best iPhone running apps I’ve tested". • The upgrade is either a 6 Month subscription, or a lifetime one time upgrade.