Apple

IPad will never be a full replacement for a workstation and remoting is definitely more finnicky and often laggy with a ton of security risks you have to worry about than just having a laptop. Not to mention literally everything is better and more capable on the laptop. The screen is gonna suck on the iPad for work being so damn small and you don't have anywhere near the same feature set.

If you travel especially it's better to have a dedicated laptop as well since you don't have to worry about internet at all for many tasks and can actually use it on the move including planes. Everything including the actual OS is better for mobile use. Only exception is maybe drawing, but 95% of folks don't really do that for a living. I agree with looking into a desktop machine in general if you aren't traveling though.