AI Writing Assistants

Grammarly vs ProWritingAid

Compare Grammarly and ProWritingAid side-by-side. See feature differences and pricing in the AI Writing Assistants category.

Most Features

Grammarly

by Superhuman

0.0 (0)

Pricing: Free plan for individuals; Pro $12 per member; Enterprise on request. Checked September 2026.

Grammarly is an AI writing assistant for grammar, tone and rewrites in the browser, Word and Gmail, from Superhuman, the company formerly called Grammarly.

15 /18 features Full profile

ProWritingAid

by ProWritingAid

0.0 (0)

Pricing: Free tier; Premium $30 a month or $90 a year on a 25% sale; Premium Pro $36 a month or $108 a year on the same sale; lifetime $399 and $699, checked September 2026.

ProWritingAid is an AI writing assistant for novelists and long-form authors, with 25+ style reports, Chapter Critique and a lifetime license option.

10 /18 features Full profile

Feature Comparison

AI Writing Assistants features side-by-side

Feature	Grammarly 15/18 features	ProWritingAid 10/18 features
Grammar and spelling correction Catch and fix mechanical errors as you type.	Yes	Yes
Tone and style adjustment Rewrite a passage formal, friendly, confident or concise.	Yes	Yes
Sentence rewriting and paraphrasing Offer alternative phrasings for a selected sentence.	Yes	Yes
Long-form document drafting Draft beyond a paragraph, with structure held across sections.	Yes	Yes
Browser extension for writing anywhere Works in the fields of other web apps, not only its own editor.	Yes	Yes
Microsoft Word and Google Docs add-in Runs inside the word processor the team already uses.	Yes	Yes
Custom style guide enforcement Load house rules and flag copy that breaks them.	Yes	Yes
Built-in plagiarism check Compare a draft against published sources before it ships.	Yes	Yes
Multilingual writing support Write and correct in languages other than English.	Yes	No
Inline autocomplete suggestions Predict the rest of the sentence as it is typed.	No	No
Readability scoring Grade the draft for reading level and sentence length.	Yes	Yes
Snippet and template library Save reusable blocks and recall them by shortcut.	Yes	No
Team glossary and terminology control Pin approved product names and terms across the team.	Yes	No
Document version history See earlier drafts and restore one.	No	No
Offline or on-device mode Keep working, and keep text local, without a connection.	No	No
Writing analytics and usage reports Track adoption, accepted suggestions and error trends.	Yes	No
Citation and reference generation Format sources into a named citation style.	Yes	No
Export to DOCX and PDF Get the finished document out in a portable format.	Yes	Yes
Overall Rating	0.0 0 reviews	0.0 0 reviews

Grammarly 15/18 features

Grammar and spelling correction: Yes
Tone and style adjustment: Yes
Sentence rewriting and paraphrasing: Yes
Long-form document drafting: Yes
Browser extension for writing anywhere: Yes
Microsoft Word and Google Docs add-in: Yes
Custom style guide enforcement: Yes
Built-in plagiarism check: Yes
Multilingual writing support: Yes
Inline autocomplete suggestions: No
Readability scoring: Yes
Snippet and template library: Yes
Team glossary and terminology control: Yes
Document version history: No
Offline or on-device mode: No
Writing analytics and usage reports: Yes
Citation and reference generation: Yes
Export to DOCX and PDF: Yes

0.0

(0)

ProWritingAid 10/18 features

Grammar and spelling correction: Yes
Tone and style adjustment: Yes
Sentence rewriting and paraphrasing: Yes
Long-form document drafting: Yes
Browser extension for writing anywhere: Yes
Microsoft Word and Google Docs add-in: Yes
Custom style guide enforcement: Yes
Built-in plagiarism check: Yes
Multilingual writing support: No
Inline autocomplete suggestions: No
Readability scoring: Yes
Snippet and template library: No
Team glossary and terminology control: No
Document version history: No
Offline or on-device mode: No
Writing analytics and usage reports: No
Citation and reference generation: No
Export to DOCX and PDF: Yes

0.0

(0)

Pricing

Grammarly

Free plan for individuals; Pro $12 per member; Enterprise on request. Checked September 2026.

View plans

ProWritingAid

Free tier; Premium $30 a month or $90 a year on a 25% sale; Premium Pro $36 a month or $108 a year on the same sale; lifetime $399 and $699, checked September 2026.

View plans

Explore Each Product

Grammarly Read reviews, features & pricing

ProWritingAid Read reviews, features & pricing

Looking for more options?

Browse all AI Writing Assistants software