AI Writing Assistants

Grammarly vs Writefull

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

Grammarly

by Superhuman

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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

Writefull

by Digital Science

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Pricing: Free tier with a daily quota; Premium US$21 billed monthly or US$150 a year billed annually; Group on annual terms only; Institution by quote

Writefull is an AI writing assistant tuned for academic papers, with language feedback inside Microsoft Word and Overleaf. A Digital Science product.

6 /18 features Full profile

Feature Comparison

AI Writing Assistants features side-by-side

Feature	Grammarly 15/18 features	Writefull 6/18 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	No
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	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	Yes
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
Overall Rating	No reviews yet	No reviews yet