Grammarly - Clear, effective, mistake-free writing everywhere you type.

Wordtune - AI-powered writing companion

Expresso - The award-winning Expresso editor is equally suitable as a teaching tool for the beginning user of regular expressions or as a full-featured development environment for the experienced programmer with an extensive knowledge of regular expressions.

Anyword - An AI platform for creating effective marketing copy, trained on tens of millions of successful ads.

Hemingway - Hemingway App makes your writing bold and clear.

Grammar Snob - Markup your friends' iMessages like an English teacher 😁