Fairly easy to implement with decent integration to common systems. The Rewards and NPS feature is what stands out.

The user interface and pricing are great.

Stamped is by far the best platform we have used to manage our customer reviews and ratings. Having tried a few other solutions in the past, we have found that Stamped offers very straightforward integration into our existing platform, WooCommerce, and is proving to be easy to integrate into our next platform as well, Shopify.