I like that paperrater has a free version to use which nice when you are budgeting. It has an automated services that you just copy and paste your paper and get a score. It detects plagiarism, checks for spelling and grammar mistakes, and word choice. Review collected by and hosted on G2.com.
If your using the free version it is limited to how much you can have checked like paper length, more accurate plagarism detection, and more. Monthly is a little pricey as well. Review collected by and hosted on G2.com.
