My in laws have it. It all depends. Hive controls more than heating (lights and other things) but of course you will need to buy the things that go with it (I.e. bulbs). It’s a smart looking as well as smart tech thermostat and is useful if you don’t have heating on at set times.
For example we like having it on all the time at a set temperature and then like to turn it up at certain times. Or useful.if you want to turn heating on after a two week holiday so you come back to warm house.
Ultimately, how do you use your heating now? If you never touch it, you probably don’t need it. If you are constantly turning it off and on and changing the temp, it will be pretty good.
I never found the lights of any use because it’s easier in our rooms to just use the switches…