They dont actually give rewards

They havent given out rewards despite meeting pact for a while now.

Also:
It hardly can register motion, or even the passage of time. You can do a 30 minute aerobic workout, check it, and itll say only five minutes have passed.

It no longer will submit automatically when you leave the gym, so if you are forgetful it will throw out all your activities.

Savvifly about Pact: Earn Cash for Exercise and Healthy Living, v4.3.8