No native Wii U emulator for iOS exists yet due to performance and JIT restrictions.
Because there is no official IPA, users should be extremely cautious of websites claiming to offer a "Cemu for iOS" download. Historically, such "leaks" have been identified as designed to exploit the high demand for Wii U emulation on mobile. Alternatives for Mobile Gameplay cemu ipa
Early reports indicate it can run without JIT (Just-In-Time) recompilation using a built-in interpreter, but performance is currently extremely slow Availability: no official ETA No native Wii U emulator for iOS exists
If you want, I can now: