If you open the App Store on an iOS 9.3.5 device and try to download a popular app like YouTube or Netflix, you will likely see an error message stating: "This application requires iOS 10.0 or later."
To save yourself frustration, avoid trying to use apps that rely heavily on server-side updates or modern security protocols:
App Store 本身不支持按 iOS 版本筛选应用，但 Apple 内置了一套“最后兼容版本”（Last Compatible Version）机制。无论 App 的最新版本要求多高的系统，只要你曾经用当前 Apple ID 下载过该 App，或者通过其他方式将其关联到你的购买记录中，当你在老设备上尝试下载时，系统就会自动提示并允许你下载与该 iOS 兼容的最后一个旧版本。 ios 9.3.5 compatible apps list
Still functions well for basic document creation and typing.
: Useful for testing legacy 2.4GHz Wi-Fi bands around your home. If you open the App Store on an iOS 9
Before we list the apps, it is crucial to understand a major hurdle. Apple has removed many 32-bit apps from the App Store. When you search for apps now, you are generally shown the most recent versions, which require iOS 12, 14, or higher.
The ultimate local video player. You can transfer movies via Wi-Fi or iTunes to watch offline without converting formats. Apple has removed many 32-bit apps from the App Store
Modern streaming apps heavily rely on server-side security protocols. While many official apps no longer connect to their servers on iOS 9, these workarounds and apps still function: