Based on our record, LinkGraph.io seems to be more popular. It has been mentiond 1 time since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
LinkGraph is super nice too. They mainly do SEO so they are kings of landing pages but they have a PPC section too: https://linkgraph.io. Source: over 1 year ago
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