What is your experience? is iAP by far the best monetization

Solar2D Monetization (in-app purchases, ads, etc.)
#1

I just read this which strongly makes the point that iAP is the best way to monetize: 

http://www.forbes.com/sites/chuckjones/2013/03/31/apps-with-in-app-purchase-generate-the-highest-revenue/

How does this jive with everyone’s experience?

-Jerry