25 iOS app performance tricks - Ray Wenderlich

Ray Wenderlich[^1] has a list of 25 ios performance tips, most of which apply to Xamarin.iOS just as much as Objective-C.

This article gathers together 25 tips and tricks that you can use to improve the performance of your apps, in the form of a handy checklist.

So keep reading to give your future apps a nice boost!

They cover basics (reuseIdentifiers; Fat XIBs; Don't block the main thread), intermediate (lazy views; caching; shadow path) as well as advanced (avoid date formatters - which I need to do on Trip Wallet)

There are lots of other good tutorials and tips on that site, it's well worth looking around.

[^1] I'm not sure if it's "Ray Wenderlich's site" or just "Ray Wenderlich" - there are lots of people writing on there, so it's not just one person.