There is an option for the user to request an experience with Reduce Motion and we should honor it. If your app has animations, make sure to check if the user has this setting on. Here are three examples where Apple does a great job.
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Some animations can be a lot for some people. They may opt to reduce motion in Settings. You can know by checking isReduceMotionEnabled. You’ll immediately see that the system’s animations are much more subtle. The weather app is a great example.
Images can automatically scale for accessibility content size categories, by setting the adjustsImageSizeForAccessibilityContentSizeCategory property to true, for any UIImageView you'd like to get its size adjusted. https://developer.apple.com/documentation/uikit/uiaccessibilitycontentsizecategoryimageadjusting/adjustsimagesizeforaccessibilitycontentsizecategory
Sometimes we may fail to convey to the user of things changing on the screen in a perceivable way. Toasts and similar should be announced. We may want to make clear that some content on the screen changed. Or we might want to update on progress.
