whats the best android app to measure exercise (walking etc)

jacqui248

I do not have a heart rate monitor or nothing, I am curently using mapmyfitness which is cool the way it tracks etc, but would like something a little better that gives me challenges??? compares same tracks etc??? is there such a thing? FREE?

McCloud33

I really like runkeeper. It does allow you to some some limited comparison on its free app, but most of the diagnostics and comparisons you have to by the "pro" version for.