Before smartphones, life was tough. If you wanted to keep track of your workout, you had to use this thing called a "pen" and write it all down. Now there are fitness apps that do it all for you.

And if you got bored with your usual routine, you'd have to research new moves online or buy a workout DVD. Now, there are fitness apps that do it all for you.

And if you needed some motivation, you had to find a friend to join you or hire a personal trainer. Now, well, you get the idea ...

There are fitness apps for just about every workout and skill level, whether you're starting from square one with zero exercise experience or you're a bench-pressing fitness buff. We did the legwork for you, plowing through tons of mediocre software to find the best of the best fitness apps for iPhones and Androids.