根据提供的两个商品，让GPT模型帮助用户做出购买决策。
商品1：苹果iPhone 12

商品2：三星Galaxy S21
Both iPhones and Samsung Galaxy phones are highly rated and offer premium features. The decision ultimately depends on personal preferences and needs. The iPhone 12 is known for its sleek design, excellent camera, and user-friendly interface, while the Galaxy S21 boasts a larger screen, longer battery life, and more customizable options. It is recommended that you research both options and consider your usage habits and priorities before making a decision.