Great app for ongoing monitoring of your website's positioning / SEO ranking. Easy to use, even to those not very familiar with SEO.
keyword ranking notifications, easy backlink tracking, content research
optimization recommendations could be more valuable
Great tool. It's something that can change your rankings in Google dramatically - if you use it right! Luckily, they have in-depth guides.
Powerful tool for linkbuilding. Great statistics overview of your website
If you are not comfortable with the SEO world it might be confusing.