Apple’s iPhone 13 lineup launched Friday, and one of many key options of the 13 Pro and 13 Pro Max are their ProMovement shows with variable refresh charges that may high out at 120Hz. But as spotted by 9to5Mac, some app animations in third-party apps are at present solely operating at 60Hz. That could be irritating if you happen to have been anticipating to see buttery-smooth animations throughout your whole apps with the brand new telephones, however after we requested Apple what was happening, the corporate shared two explanation why this could be occurring.

One purpose is that builders might want to replace their apps to declare that they use the upper refresh charge. This will be performed by including an entry to the app’s plist, Apple tells The Verge, and the corporate says it plans to share documentation in regards to the entry it is advisable add quickly. But in some instances, animations constructed with the corporate’s Core Animation expertise are additionally affected by a difficulty that shall be fastened in an upcoming software program replace, Apple says.

Variable refresh charge screens provide a number of advantages, together with smoother animations and scrolling while you’re utilizing the gadget and battery financial savings the display runs at decrease refresh charges. We have been impressed with the screens on the 13 Pro and 13 Pro Max in our evaluate, and it’s good to listen to that third get together apps will be capable to take full benefit of what they’ve to supply — although some could have to attend till after that software program replace.