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Grammarly
Writing assistant whose Pro tier rewrites full sentences, adjusts tone and humanizes AI text.
Paraphrasers & Rewriters from USD 12.00
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QuillBot
Paraphrasing suite with multiple rewrite modes, grammar checker, summarizer and AI humanizer.
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Not tested yet
No detector-panel result exists for QuillBot. Anything on this page about detectors below is the vendor's own claim, not a measurement. Ask us to test it, or run the procedure yourself.
The facts we hold
| Category | Paraphrasers & Rewriters |
|---|---|
| Price model | Freemium · from USD 8.33 Source: vendor page , read 2026-09-20 |
| Free allowance | 125 words |
| Works without an account | Yes |
| Developer API | No |
| Browser extension | Yes |
| Languages | 23 |
| Vendor | Learneo, Inc. (US) |
| Added to the directory | 2026-09-20 |
| Vendor pages read on | 2026-09-20 |
"Not stated" means the vendor does not publish it, or publishes it somewhere we could not read at the source. It is not a judgement, and we do not fill the gap with an estimate.
No score yet, and here is why
A score on this site means a person used the tool, ran the fixed test texts through 6 detectors and published the numbers with a date. That has not happened for QuillBot. What has happened: we read the vendor’s own pages and recorded the price and the limits with a link and a date. Those are above.
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