Raven Tools – It is a freely available iPhone app. It keep track of your link building progress, social mentions, and goal conversions, through graphs and charts. It is easy to understand.
iSEO – iSEO is a great tool to get information about rankings of different webpages across the Internet.
Ego – With this app you can get SEO analysis reports, details about all the chatter about your business on websites like Twitter..
LinkJuice – You will gain information about backlinks, authority of the domain, anchor text, etc.
SEO Automatic – It deals with all on-page factors, so it’s great for business owners just beginning to dabble in SEO apps.
SECockpit – This app is all about the keyword research..
SEO SiteRank and SiteRank Lite – You can get information about PageRank and Alexa Rank as you’re browsing around the Internet. It has both a paid and a free version.
SEO Keyword Checker – It helps you analyze a webpage and give information about that webpage’s keyword use and keyword density.
SEO Stats – It gives you information about where you stand when it comes to social networks such as Facebook, Digg, and Twitter.
Google Analytics – This is a free tool that is available for any business owner that wants to keep track details like average time the visitors spend on the website, the percentage of repeat visitors as well as referral sources.