This was posted recently on Andrew Chen's site.
"In some product categories, over 60% of their users turn off push notifications. In others, a mere 20% do. That’s a huge difference when we’re talking about the primary method of retaining and engaging your mobile users. Recent data from Kahuna reveals that push opt-in rates vary widely across industries – ride sharing being the best performing, and social being the worst. Here’s a comprehensive look at the state of iOS push opt-in rates, as well as a roadmap for getting back on track if your app is trailing behind."
Fascinating read, if you are using (or plan on using) push notifications you must read this.
Join over 2,000 other mobile devs.
No spam, promise!