Fitocracy started off with only a few thousand users during its beta testing days in 2011.

CNN: Want to get fit? Pull out your phone

Two months ago, a close friend introduced her to the app Fitocracy.

CNN: Want to get fit? Pull out your phone

"I have friends on Fitocracy that I have never even met, " she said.

CNN: Want to get fit? Pull out your phone

For Champoux, Fitocracy's social network makes the app an invaluable resource.

CNN: Want to get fit? Pull out your phone

Fitocracy has more than a half-million users, the fitness app reports.

CNN: Want to get fit? Pull out your phone

Champoux finds herself making more health-conscious decisions since starting Fitocracy.

CNN: Want to get fit? Pull out your phone