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Pro Keyword generation
With just a single seed keyword, the Keyword Magic Tool allows you to generate keywords within your niche, including long-tail keywords across specific subgroups.
Pro Lots of features
More features than any of the other products here with a lot of depth.
Pro Gives more accurate analytics than any other tool
It also gives more updated Analytics Results.
Pro Reasonable free featres
While the pro-features are horribly expensive, you get reasonable amount of features in the free version.