With this 12 months’s iPhone 13 Pro and Pro Max, Apple lastly introduced its ProMovement show expertise from the iPad Pro over to a few of its telephones. The function permits the brand new high-end iPhones to refresh display screen content material as much as 120 instances per second, thereby making a a lot smoother interface expertise. The impact is most noticeable when scrolling, however virtually each facet of a UI can profit from a better refresh charge.

Unfortunately, it appears to be like just like the iPhone 13 Pro and Pro Max restrict their ProMovement shows in a single notable context. According to noticed by , the telephones cap some animations in third-party apps to 60Hz. Scrolling and full-screen transitions render as anticipated however different animations don’t. The impact is seemingly jarring. What makes it worse is that it’s not one thing you’ll see when utilizing any software program from Apple; the iPhone 13 Pro and Pro Max don’t implement that very same limitation on the corporate’s apps.

What makes the state of affairs significantly complicated is that the iPad Pro doesn’t have an identical restrict. It has handled first- and third-party apps equally because it was launched in 2017. A supply informed 9to5Mac the iPhone’s implementation could have one thing to do with battery life concerns. At the very least, code in iOS 15 suggests the limitation isn’t a bug. Either means, we’ve reached out to Apple for extra data, and we’ll replace this text after we hear again from the corporate.