| QuillBot Humanizer | AI Natural Write | |
|---|---|---|
| Starting price | $8.33/mo | $7.99/mo |
| Free tier | 125 words | 400 words |
| Bundled detector | Yes | Yes |
| Founded | 2017 | 2024 |
| Best for | People who already pay for QuillBot's grammar/paraphrase suite and want a decent bonus feature, not a dedicated bypass tool. | Budget-conscious writers, bloggers, and students who want strong results without a premium price tag. |
Price: AI Natural Write is cheaper to start, at $7.99/mo vs $8.33/mo.
QuillBot Humanizer: $8.33/mo billed annually, $19.95/mo monthly. Free tier: 125 words, 6 uses/day.
AI Natural Write: Free tier available; Pro plans from $7.99/mo.
Free tier: AI Natural Write offers a more generous free tier (400 words).
If you just want to test either tool before paying, AI Natural Write's 400-word allowance gives you more room to evaluate quality.
Detection performance
QuillBot Humanizer: Consistently ranks behind dedicated humanizers on Turnitin and GPTZero in third-party comparisons because it leans on synonym substitution rather than deep sentence restructuring.
AI Natural Write: Positioned by testers as the best value-for-money option, trading a few points of bypass rate for a meaningfully lower price.
AI detector included: QuillBot Humanizer bundles a built-in detector; both both include one.
Strengths at a glance
QuillBot Humanizer
- Bundled AI detector, grammar checker, and paraphraser in one subscription
- Fast — results in under 5 seconds for short passages
- Color-coded change tracking so you can see exactly what was rewritten
AI Natural Write
- Usable free tier without a credit card requirement
- Reported 91% bypass rate in independent testing, close to category leaders
- Straightforward, uncluttered interface
Our verdict
Choose QuillBot Humanizer if: people who already pay for quillbot's grammar/paraphrase suite and want a decent bonus feature, not a dedicated bypass tool. Choose AI Natural Write if: budget-conscious writers, bloggers, and students who want strong results without a premium price tag.
Full QuillBot Humanizer review → · Full AI Natural Write review →