I have both a bottle and a cup, the bottle makes it easier for me to drink water on the go and at work while the cup allows me to have water at home that stays cold.
I have a sensitivity to artificial sweeteners and so thought the cirkul water bottle was not going to work for me. Then i found the pure essence cartridges and am in love!! So far all flavors I’ve tried are tasty and I’ve doubled my water intake! Would definitely recommend if you have problems drinking water like i do.