Grammarly ...


Rating: Very good

iPhone/iPad/Android platform

Cost: Free

Strong Points: Can be used to check documents both inside and out of the app itself.

Weak Points: A paid plan is required for full functionality.

The Grammarly app allows users to select documents that you type on your phone, whether it be sending an email or sending a message on Twitter. However, the app's security is limited to the basics.

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