Better than some standalone spelling and grammar checkers, particularly for the English language.
Price: starting at approx. €130
Also comes with a fairly good syntax checker.
Price: starting at approx. €100
Checks for a large number of issues.
Price: basic version free (web application, Word add-in, Google Docs add-on), premium edition approx. $35 per year
Needs an internet connection to work. May therefore be inappropriate to process confidential information.
Price: not published
Especially aims to improve the clarity of your texts.
Price: approx. $150 (“Standard”) and $190 (“Professional”)
Looks for more than 50 types of writing mistakes and identifies weak style such as unnecessary words that you can omit.
Price: approx. $55 (Standard Version) and $75 (Editor for Word)
Needs an internet connection to work. May therefore be inappropriate to process confidential texts. Only processes a few pages of text at a time. Some reviews of this software report rather aggressive marketing such as windows popping up repeatedly when you don’t upgrade the software, even after you’ve purchased the full license.
Price: starting from approx. $10 per month
Searches for grammar errors and weak writing style.
Price: approx. $30
Provides a vast scope of different analyses. Only works when you’ve installed English versions of Microsoft Word and Windows.
Price: approx. $120
Performs some basic checks such as sentence length, repeated words, and wordiness.
Price: approx. $80
After the Deadline
English grammar, style, and contextual spelling checker. Available for a variety of platforms such as WordPress, Confluence, Firefox, Chrome, and OpenOffice.
Price. free (open source)
Web-based proofreader that corrects contextual spelling mistakes, checks for grammar errors, and enhances vocabulary usage.
Price: free (web application); premium approx. $30 per month