Tool review · est. 2017
QuillBot
Paraphraser turned full writing suite
Tier across use cases
Strengths
- Trustpilot rating of 4.9/5 across 5,633 reviews — among the highest in the AI writing assistant category.
- Free tier is permanent (no expiry) and includes 2 paraphrasing modes plus summarizer — usable for genuine occasional work, not just trial.
- Annual pricing at $8.33/mo ($99.95/yr) is one of the lowest entry points for unlimited paraphrasing in the category.
- Student plan at $6.25/mo with .edu verification removes a major adoption barrier for academic users.
- Browser extension and Google Docs / Word / Chrome integration cited in G2 reviews as enabling in-context editing without app switching.
Trade-offs
- Free version limits cited heavily — 125 words per paraphrase blocks meaningful long-document work, pushing users to paid plans.
- Multiple Capterra reviews flag inflexible refund policy and slow customer service — particularly for users on multi-year subscriptions.
- Output occasionally introduces overly fancy or rare synonyms, which can paradoxically trigger plagiarism flags.
- Best for paraphrasing existing text; not a true content generator like Jasper or Writesonic.
- Technical or nuanced content (legal, medical, journalism) requires careful human review — multiple G2 reviewers report meaning shifts.
Key features
- 9 paraphrasing modes (Standard, Fluency, Formal, Academic, Creative, Expand, Shorten, etc.)
- Grammar checker
- Plagiarism checker
- Summarizer
- AI detector
- Co-writer (AI text generation)
- Browser extension + Google Docs / MS Word integration
Pricing
Freemium. Free plan (125-word paraphrase limit). Premium $19.95/mo, $13.31/mo (semi-annual), or $8.33/mo (annual = $99.95/yr). Student plan $6.25/mo with .edu email. Teams custom.
Free
$0/mo
1 seat
- Standard + Fluency modes
- Basic grammar
- Co-writer
Premium Monthly
$19.95/mo
1 seat
- All 9 paraphrasing modes
- Plagiarism checker
- Advanced grammar
- Tone analysis
Premium Annual
$8.33/mo
1 seat
- Same as Premium Monthly
- 58% savings vs monthly
Student
$6.25/mo
1 seat
- Premium features at 25% discount
- Requires .edu verification
Teams
$7.5/mo
- Per-seat pricing
- Centralized billing
- Custom quote
What reviewers say
g2
4.3/5
34 reviews
Low G2 review count despite massive user base
capterra
4.5/5
154 reviews
trustpilot
4.9/5
5,633 reviews
Very high Trustpilot count and rating
Best for
Students, academics, ESL writers, journalists, and professionals who need to rephrase, polish, or check existing text — rather than generate new content from scratch.
Frequently asked
- Who is QuillBot best for?
- Students, academics, ESL writers, journalists, and professionals who need to rephrase, polish, or check existing text — rather than generate new content from scratch.
- How is QuillBot ranked on TIERSAI?
- QuillBot earns B tier (7.98/10) for AI Paraphrasing and Rewriting, and is ranked across 3 use cases in total. Every score uses the same transparent 0-to-10 scale across five axes.
- How much does QuillBot cost?
- Freemium. Free plan (125-word paraphrase limit). Premium $19.95/mo, $13.31/mo (semi-annual), or $8.33/mo (annual = $99.95/yr). Student plan $6.25/mo with .edu email. Teams custom.
Ready to try QuillBot?
Start with the free or entry plan and test it on your own work — pricing and limits change often, so check the current options on their site.
Try QuillBot →