Our app and others you may be used to use the exact same published algorithms to work out your values.
The number of steps required is based on your age, weight, height and most importantly your stride length (which you entered during setup).
It is likely that one or more of these are different in the two apps causing different figures.
The most common reason is people have entered very different stride lengths so it is best to check that first.
Remember there are two values that you are concerned with.
A) Number of steps until earning, this is the calculated base minimum steps you need to do before your walking exercise counts.
B) Number of steps per exercise value
To earn your first exercise value you have to do A + B combined , you then get another exercise value per B.