Sign up for Grammarly for free from here:
Here in this tutorial you will get to know, how you can install and use Grammarly keyboard for all of your notes, mails and messages in your iPhone or iPad.
Grammarly is a world’s number 1 typing assistant tool which recognizes all of your typing mistakes and grammatical errors and thus making all of your mails and messages error free and professional.
Using this simple free app, you can improve your English as well glancing all the grammatical mistakes you make.
Install grammarly app on your iPhone and iPad from app store and sign up for free Grammarly account from here.