OnlinePhDPrograms.com has created an infographic called, “Making Money from Educational iOS Apps,” which explores how one independent developer earned almost $700,000 from educational apps.

Pierre earned $686,400.64 from app sales between 2010 and 2012. In 2012, 65 percent of his profits came from his apps Montessori Crosswords and Word Wizard.

The graphic includes hints and tips for other developers We’ve embedded the entire graphic after the jump.

Please include attribution to OnlinePhDPrograms.com with this graphic.