anonymous comments are hard to moderate as more your product grows spammers will come. At this stage, I don't think you will have a major problem with spam but

anonymous comments are hard to moderate as more your product grows spammers will come. At this stage, I don't think you will have a major problem with spam but down the road you will get plenty of them. Check out solution like https://oopspam.com https://oopspam.com