It depends on your requirements. I have some HASP (Home Automation Switchplates) in my home that are very wife-accepted:
Just recently, someone on this forum told me about DeX on an Android phone. I had never heard of DeX before that thread, but DeX lets you use a portable 16-inch touch screen on your phone.
The latter looks interesting, but it’s a bit pricey with $150 for the monitor plus an old phone.