AI Writing Assistants

Grammarly vs Wordtune

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

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

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

Wordtune

by AI21 Labs

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Pricing: Basic free with 10 rewrites a day; Advanced $6.99/mo, Unlimited $9.99/mo billed annually ($13.99 and $19.99 monthly); 3-day trial

Wordtune is an AI writing assistant from AI21 Labs that rewrites, shortens and shifts the tone of sentences in a browser extension, an iOS app and a web editor.

5 /18 features Full profile

Feature Comparison

AI Writing Assistants features side-by-side

Feature	Grammarly 15/18 features	Wordtune 5/18 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	No
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	No
Custom style guide enforcement Load house rules and flag copy that breaks them.	Yes	No
Built-in plagiarism check Compare a draft against published sources before it ships.	Yes	No
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	Yes
Readability scoring Grade the draft for reading level and sentence length.	Yes	No
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	No
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