This makes most modern games non-playable. There is also no support for GPU virtualization so that means no DirectX or OpenGL. Therefore performance would never reach the levels possible with KVM.

The lack of hardware virtualization on Apple A-chips means that even for ARM code we must re-compile it with JIT. This connects with the SPICE server in qemu and allows for some para-virtualization as the QXL graphics driver running on the guest OS can send low-level draw commands directly to Metal APIs.įor more in-depth information on the changes made to qemu for JIT to work on iOS, check out this document. UTM also includes a SPICE client written for Metal. Because iOS devices lack hardware virtualization support, we cannot use the KVM accelerator and instead use the TCG accelerator which does dynamic code translation and JIT compilation. The majority of the work is done by qemu. For more information checkout the install page. If you have a paid ($99/year) Apple developer account, you must re-sign the app every year.

If you have a free Apple account, you must re-sign the app every 7 days. Sideloading allows you to load unofficial apps on your iOS device. UTM requires a jailbreak to use on iOS 14. UTM is supported on iOS 11, 12, and 13 for non-jailbroken devices through sideloading. This allows you, among other things, to run Windows or Linux on your iOS device at a usable speed. It is not for running iOS on other systems. UTM is an app for running other operating systems on your iPhone or iPad.

Utm apple virtualization linux kernel