Side by side
Proofly vs ProWritingAid
Both stand on grammar checkers. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Free plan ExtensionLinuxMac+1
Proofly provides a free, local proofreading extension with configurable suggestions and offline use after setup. Its Chrome and hardware requirements, large initial download, and alpha status are important before installation.
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Free plan Extension
ProWritingAid combines writing suggestions with reports, integrations, and plagiarism checking. Check the free limits and refund terms against your writing needs before choosing a plan.
Visit ProWritingAidThe facts
| Proofly | ProWritingAid | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | Not published | Not published |
| Runs on | Extension, Linux, Mac, Windows | Extension |
| Lowest paid plan | Free or on request | Premium: $120 a year |
| Plans published | 1 | 13 |
| Maker | Not published | ProWritingAid |
| Website | github.com | prowritingaid.com |
| On grammar checkers | #36 of 88 | #32 of 88 |
Proofly: what it does well
- Processes proofreading locally on-device
- Checks spelling, grammar, and punctuation
- Works offline after model download
- Offers configurable correction and display settings
- Provides keyboard shortcuts and undo/redo
What to know first
- Initial AI model download is about 22 GB
- Requires Chrome 141 or later
- Chrome Web Store installation is coming soon
- Project is described as alpha
ProWritingAid: what it does well
- Works with Word, Google Docs, and Scrivener
- Free plan includes daily editing and rephrasing tools
- Paid plans support documents of any length
- Premium includes sharing and real-time comments
- Text is not stored on processing servers
What to know first
- Supports English only
- Free suggestions cover 500 words at a time
- Monthly plans are not refundable
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