Unfortunately it's the software that determines how good such a device is to use. What's currently considered the best firmware for the Bangle?
I will also note that backlit LCD is vastly inferior to e-paper in smartwatches. Size of the watch also matters, there are some tradeoffs you have to make.
The official one, which runs great. And since it's all open JS there's even alternative app menus and launchers if you're not happy with the stock option