Agreed. I would never want to use a device that requires a proprietary cloud sync service. I own a Boox device, which are similar to the Remarkable ones, except

Agreed. I would never want to use a device that requires a proprietary cloud sync service. I own a Boox device, which are similar to the Remarkable ones, except it has a front light for reading. The software generally works fine. I don't use their sync service due to privacy concern though; I just use Syncthing.