The community offers a number of plugins to extend the default Magento 2 review functionality. Generally, the set of features they offer is similar. Your Magento product reviews will look more eye-candy and let your buyers share even more detailed information about your offerings.
Distinctly, some modules are also Magento 2 review reminder extensions. For example, the Product Reviews plugin by Mageworx helps automate
the process of collecting testimonials with the help of popups and emails triggered by a specific condition.