OpenVPN Support Forum

Is there a chance of a TAP implementation for iOS?

The use case would be using broadcasting devices over VPN, where the phone would have enough bandwidth & power supply.
This is the only limit I'm facing with TUN so far. Some home automation devices don't work.

TAP is not supported at all by iOS, therefore it can't be natively implemented. The only option would be to implement a slow TAP emulation on top of the TUN interface. However, there has never been enough interest and the amount of work is probably not justified, therefore things never even got planned.

Note that you can still tweak the tun interface to achieve what you'd achieve with TAP (well not everything of course)