ProWritingAid

Book writers are the audience here, and the toolkit spans planning, writing, editing and publishing. Story Canvas and Outline Crafter help with planning, while Story Critique and Chapter Critique return feedback on a full manuscript or a single chapter. In-depth manuscript analysis uses Story Credits, which are bought separately.

On the editing side, it checks grammar, spelling and punctuation, and Premium adds 25+ writing analysis reports. Rephrases suggests alternative wording, Word Explorer and a thesaurus help with word choice, and you can set a custom style guide and dictionary. Plagiarism checks cost extra. It runs in a web editor, a desktop editor, a Chrome extension that also covers Firefox and Edge, and inside Google Docs and Microsoft Office. It is available only in English.

The free plan gives suggestions for 500 words at a time, 2 runs per line editing report per day and 10 Rephrases per day. Premium costs $30 per month billed monthly, or $10 per month billed yearly ($120), with unlimited line editing report runs, 1 Chapter Critique per day and up to 40% off Story Credits. Premium Pro costs $36 per month billed monthly, or $12 per month billed yearly ($144), with 30 Chapter Critiques per day, up to 65% off Story Credits, and community workshops and cowriting sprints.