Hemingway - Hemingway App makes your writing bold and clear.
Grammarly - Clear, effective, mistake-free writing everywhere you type.
EssayToolBox - EssayToolBox features lots of tools that checks any writing for grammar and spelling mistakes, detect plagiarism, brainstorms ideas, generates summaries and conclusion, counts words, and much more.
Write App - No-distraction writing tool for your productivity.
Ludwig.guru - Linguistic search engine and contextualized translator. The final solution for your writing doubts!
Slick Write - Slick Write checks your writing's grammar and style for free!