Samsung Health
Who has it? I am going to to a 30 days to 10000 steps challenge. Days 1-5 5000 Days 5-10 6000 Days 10-15 7000 Days 15-20 8000 Days 20-25 9000 Days 25-30 10000 I do strength training and other excersise daily but this is just a step challenge. If you have the app I can add you with an email if you're interested.