The best SEO tool to check rankings for SEO professionals is... well known Scrapebox. Scrapebox have paid plugin with name "rank tracker" -  price $15 USD. With this plugin you can check really many projects and huge number of keywords for free - only at one time price (pay once, use forever) - without to pay more money and without subscriptions like in Market samurai and many others.  #seotools #seotool