iOS App Development SEO App

I need a iOS app that can do the following:
- Website Speed Check(give detailed infos)
- SEO on page check
- Off page SEO recommendations
- Keyword research/difficulty check/search volume
- for which keywords ranks my site
- backlink checker
- Keyword RankTracker
- what topics can I write about with low difficulty
- Monitization by free trial, after 3 tasks per day the user have to pay a monthly subscription fee

Also have to be done:
App logo, app submission, app design