Pact

Pact is a very special exercising app that attacks where it hurts: your pocketbook. The app's philosophy is simple: if you complete the goals you set for yourself, you'll earn money, but if you fail even for a day, you'll be the one paying.

You can create three different pacts for one unique goal: to live a healthier life. The first pact is focused on going to the gym and will give you benefits if you go regularly; the second is for runners, and will also give you benefits if you keep to your running goals; and the third will give you money each time you eat healthy (and prove it).

Once you select the pact you want to follow, you have to choose the conditions for it. Depending on the number of days a week that you'll exercise, you can get more or less money, but failing just one day will make you pay. And the amounts you'll have to pay will always be greater than the ones you earn.

Pact is a very interesting app for users who want to live a healthier lifestyle. It will give you a good incentive (a monetary one, no less) to exercise and eat well daily. And it's important to keep in mind that we're talking about real money here: you'll have to link your PayPal account for the app to work.