Apple announced iOS 13 for iPhone and iPod touch and iPadOS 13 for iPad. However, like all releases of system software, not all devices will be compatible with iOS and iPadOS software versions.
The following are all devices compatible with the new versions of iOS 13 and iPadOS, including all iPhone models that will support iOS 13, and a list of all iPad models that will support iPadOS 13 (iPadOS is the equivalent of iOS 13 for iPad). In addition, there is only one iPod touch model that supports iOS 13.
List of compatible iOS 13 devices
The following list of devices supplied by Apple details all iPhone, iPad, and iPod touch devices compatible with iOS 13 and iPadOS 13. If your device is on this list, it will support the software version of the system. If your device is not listed, it will not be able to launch iOS 12.
IOS 13 compatible iPhone models
iPhone XS Max
iPhone 8 Plus
iPhone 7 Plus
iPhone 6s Plus
IOS 13 iPod Touch Models
iPod touch 7th generation
In particular, there is no support for iOS 13 – iPhone 5s, iPhone 6 and iPhone 6 Plus, which supported the previous release of iOS 12, but not iOS 13.
iPadOS 13 compatible iPad (iOS 13 for iPad)
12.9-inch iPad Pro 3rd generation (2018 model)
12.9-inch iPad Pro 2nd generation
12.9-inch iPad Pro 1st generation
11 inch iPad Pro (2018 model)
10.5 inch iPad Pro
9.7-inch iPad Pro
iPad 6th generation (2018 model)
iPad 5th generation (model 2017)
iPad Air 3 (2019 model)
iPad Air 2
iPad mini 5 (2019 model)
iPad mini 4
Recall that iPadOS is a renamed iOS for iPad, it has all the features of iOS 13, as well as some new additional features specific to the iPad, in particular, some special gestures for multitasking, text selection and data manipulation using copy, paste, cancel, and repeat.
Several iPad models that support iOS 12 will no longer support iPadOS 13, including previous generation iPad Air models and some iPad mini models.
iOS 13 and iPadOS 13 are currently in active beta development. The final versions will be released in the fall of 2019.
If you are a Mac user, you can check the list of Macs compatible with MacOS Catalina, here if you are also interested in using MacOS 10.15.