If you have the money, go with Ahrefs, the cheapest plan is $800+ per year, but it is the best backlink checker out there.
If you want good value for your money, go with
Quick Spy (backlink checker that I have developed) + buy API units from Ahrefs; trust me on this one, I have been dealing with backlinks and anything backlinks related for several years now.
Quote:
Originally Posted by TheSquealer
Of course they aren't accurate. Do you honestly believe these tools crawl, recrawl and crawl again trillions of pages online and analyze the linking relationships...then keep continually crawling them to see what changed? They all pull their data from the same places... and those places aren't giving accurate data to begin with. No "tool" is going to give you anything more than a very tiny % of backlinks if you have a lot.
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The Ahrefs bot actually crawls and re-crawls gazillion of sites, this is how they got on top. They don't use anybody else?s DB, they build their own. The only thing that is seriously irritating about Ahrefs is that often their accuracy (number of reported links vs. number of actually live links) is way off and I am not entirely convinced that this is unintentional.