An objective reader can make a big difference in helping you catch spelling and grammar problems as well as many of the other mistakes listed in this post. (biginterview.com)
Much to her surprise, Lauren's emails were filled with grammar problems and she started her emails with the word, «Hey.» (cyberdatingexpert.com)
The app color codes your text to show you any sentences that are hard to read, give you suggestions for simplifying sentences, and deals with several other common grammar problems that can make your writing more difficult to read. (elearningindustry.com)