Also try different cups. We've tried about 4 different types of sippy cup to see which one works best!
Mine loves bone broth out of a cup.
The tum tum bottle has been a game changer for us. She can drink well from a cup bit a few sips & she's done but the bottle, she loves as it's so easy and a nice gentle pace for her
Can you send a picture of the tum tum one you mean please? X
Honestly just keep offering. My son was terrible at taking any liquids from a cup for ages but weve cracked it much more recently and he now drinks water / milk from a sippy cup pretty well. Still doesn't have tonnes (he is 11 months and I'm still breastfeeding so not a massive issue) but hopefully he will work up to having full cups of liquid in a couple of months