1, the meaning is different: smart bear refers to this bear is smart and witty, while Jenny bear refers to this bear's name is Jenny.
2, the brand is different: Smart Bear is an educational toy brand, while Jenny Bear is a cute, sweet image of the main brand.
3, different product features: Smart Bear's products are mainly focused on early childhood enlightenment, while Jenny Bear's products are more focused on cute, vivid, warm features.