Even if your website or app absolutely doesn't collect any personal information and isn't required by law to have a Privacy Policy, there are important reasons why you should have one anyway. Your website visitors and app users will expect to see one. Not providing one may make your business look untrustworthy. You also may have a third-party service in use that is collecting personal data. Read more here: https://termsfeed.com/blog/privacy-policy-no-personal-data-collected/