Topvisor

A complete set of reliable tools for SEO and Digital Marketing. High speed and great accuracy. Flexible pricing and 24/7 worry-free support.

A short summary of our key features:

1) Rank-tracker (on-demand and scheduled reports, all locations, breathtaking speed)
2)Keyword research
3) Automated keyword grouping tool (clustering)
4) Website Auditor
5) Website Watcher (tracks title and description changes)
6)Index status checker

And it keeps updating.