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iPhone 13 Pro, iPhone 13 Pro Max not using 120Hz to their fullest

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The restriction to under 120Hz for animations could break the consistency of the experience for users of the iPhone 13 Pro and iPhone 13 Pro Max.

The iPhone 13 Pro and iPhone 13 Pro Max are reportedly limiting certain animations to below 120Hz.

The most headlining feature on the new iPhone 13 Pro and iPhone 13 Pro Max models is Apple’s much hyped ProMotion. The feature has been around on the iPad Pro since 2018, offering smoother display experiences with a refresh rate of 120Hz. On the new iPhones, the higher refresh rate makes for smoother scrolling and better gaming experiences. However, there is an issue with this feature early on.

Based on a report from 9To5Mac, the ProMotion feature on the iPhone 13 Pro and iPhone 13 Pro Max is not working as consistently. While all the scrolling is done at the full 120Hz, the animations and transitions are not happening consistently across all apps. Third-party apps are reportedly reserving the refresh rate to 60Hz only.

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iPhone 13 Pro series 120Hz inconsistent

The report mentions that all of Apple’s apps can take advantage of the 120Hz refresh rate in all scenarios. However, many of the animations on third party apps are restricted to 60Hz. This could break the consistency of the experience for users of the iPhone 13 Pro and iPhone 13 Pro Max.

When the issue was raised to Apple, the company said that developers need to work on their apps to support the higher framerates. The issue is mostly visible with apps and games using a custom rendering engine. The developers will need to add a info.plist key in order to let their apps support 120Hz refresh rate. The documentation for the process will be made available to developers soon.

iPhone 13 Pro Max

At the same time, Apple will also release an update to fix the bug the prevents Core Animations drive the refresh rate over 60Hz.

Is the inconsistency highly noticeable? On our unit of the iPhone 13 Pro Max, this issue isn’t visible to the eyes of a regular user. In fact, the higher refresh rate makes the iOS experience smoother than ever. Next to the 60Hz display of iPhone 13 Mini and iPhone 13, the 120Hz display on Pro Max makes animations look prettier.

Rumours have it that next year’s iPhone 14 lineup will have 120Hz refresh rate as standard across the entire range. The only difference is expected to be with the variety of the four iPhone models. Apple is rumoured to ditch the Mini iPhone next year and have a Max variant for the non-Pro model. Hence, you can expect an iPhone 14 along with an iPhone 14 Max.

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