Thank you so much

There are plenty of tools to choose from, free and paid. All with various options and the corresponding prices. I once made a small overview of both free and paid SEO tools. Maybe there's something in there for you.

Thanks for info

Recently I heard about the app NinjaSEO by 500apps. do you have any idea, how effective it is?

To improve Search engine rankings, which tool would you recommend for SEO audit