I participated in Free App of the Day promotion about 4 years ago. For the week that it was featured, we experienced about 360% growth and made it to the top te

I participated in Free App of the Day promotion about 4 years ago. For the week that it was featured, we experienced about 360% growth and made it to the top ten in our category. Free App of the Day took a percentage of our profits afterwards for a few weeks riding the long tail. In the end, it was win win for both of us.