Show HN: 31Trace–monitor book/business/app reviews

[saidhasyim]

- Monitor store's reviews on Google Map, Trip Advisor, Yelp, TrustPilot. - Monitor book's reviews on Amazon, Apple, Audible, Goodreads, Google Play, Kobo, Scribd, Barnes and Noble, StoryGraph. - Monitor app reviews on Google Play and Apple App Store.

The list is continuously growing.