Documents reviewed
Perplexity
Answer engine that cites its sources, useful for researching facts and figures for a deck.
Writing & Research Freemium
Established
QuillBot
Logo: official trademark, served by us
Paraphrasing, grammar checking and summarizing.
Unpaid listing. The link is marked rel="nofollow".
Established – full review pending
A widely used product we haven’t tested or documented yet: no rating and no GDPR check so far.
Are you the vendor? The full review is a one-time USD 39 and takes 72 hours – request it here. If we decline, we refund the full amount.
Key facts
| Category | Writing & Research |
|---|---|
| Domain | quillbot.com visit ↗ |
| Pricing model | Free plan + paid plans |
| Starting paid plan | Premium: USD 8.33 per month, billed annually · Vendor page ↗, checked Oct 16, 2026 – Annual total $99.95 and monthly $19.95 only from eesel.ai (secondary) |
| More in this category | 7 tools |
| In the directory since | Sep 19, 2026 |
Not checked yet: server location, operating company and legal notice, GDPR check with eight sourced answers, rating from our test brief. How we review
Screenshots
Rating
How we rate →Not rated yet – ratings come from the hands-on test brief.
GDPR and privacy check
How we review →No GDPR check for this listing yet.
“Unclear” means we didn’t find the information in the public documents – not that the vendor doesn’t meet it. The check is a documented snapshot of the vendor’s public commitments. It is not a certification and not legal advice – see the disclaimer.
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Google's research notebook (formerly NotebookLM) that answers questions about your own sources.
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Documents reviewed
Notion AI
AI features in the Notion workspace for drafting, summarizing and searching team knowledge.
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Documents reviewed
Grammarly
Writing assistant for English, widely used in companies.
Writing & Research Freemium
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