Google Analytics gives all information about traffic on the site.
Google Webmaster tool gives site verification, information about errors , backlinks etc.
Google Analytics is a service offered by Google that generates detailed statistics about a website's traffic and traffic sources and measures conversions and sales. It's the most widely used website statistics service. [ 1] The basic service is free of charge and a premium version is available for a fee while Google Webmaster Tools is a no-charge web service by Google for webmasters. It allows webmasters to check indexing status and optimize visibility of their websites. It has tools that let the webmasters: Submit and check a sitemap. you can also hire experts from SEoclerks.
Google analytic tool provide you full detail about traffic comes to your site and source of that traffic and Google webmaster tool is used to check index page,site map of your website.
Google Analytics is a free Web analytics service that provides statistics and basic analytical tools for search engine optimization (SEO) and marketing purposes. Google Webmaster Tools let you access data about the crawling and indexing and error of your website.
Google Analytics Tool tracks website traffic and gives in-depth information on visitors. While Google Webmaster tracks a website's health and gives detailed information on how a website is performing on the Internet