I've implemented a pricing scheme in my iOS app Pump Log over the last month. It's not a unique concept, but I haven't seen it done like this in the App Store before, so I wasn't even sure if it would be approved.
This simple pricing tweak has led to a 23% increase in revenue.
Some background: Pump Log is an app for mothers who are pumping their breast milk and need to track production. It's a free app to download, and I earn money by selling in-app purchases (IAP).
Like many independent deve...