I'd suggest using both FakeSpot and ReviewMeta together. In the end though, neither should be treated as perfect. They both can give skewed ratings on legitimately good products. It just helps give an idea of if you should be cautious and look into things more before purchasing. Source: about 1 year ago

I recommend https://reviewmeta.com if you want to see if the reviews are authentic or not. Source: about 1 year ago

This does a pretty good job of filtering out the crap - https://reviewmeta.com/. Source: about 1 year ago

This is only for amazon, but https://reviewmeta.com/ checks if reviews under a product are likely to be real or not. Source: about 1 year ago

I'll also double-check those Amazon reviews with a tool like Reviewmeta to see if they have a high number of suspicious or fake-sounding ratings or comments. Source: over 1 year ago

Zero to Sold is worth a read. https://thebootstrappedfounder.com/zero-to-sold/. Source: over 2 years ago

I recommend to read the book Zero to Sold where he talk about the idea validation part, that should help you. Source: about 3 years ago

Since then, Arvid has been sharing his learnings on his blog and with his Twitter audience that he grew from 400 to over 22.000. He wrote a book about the FeedbackPanda journey (Zero to Sold) and another one about the audience-building journey (The Embedded Entrepreneur). Source: about 3 years ago