| QuillBot Humanizer | Walter Writes AI | |
|---|---|---|
| Starting price | $8.33/mo | $9/mo |
| Free tier | 125 words | 200 words |
| Bundled detector | Yes | No |
| Founded | 2017 | 2023 |
| Best for | People who already pay for QuillBot's grammar/paraphrase suite and want a decent bonus feature, not a dedicated bypass tool. | Users who process the same type of document repeatedly and want predictable results every time. |
Price: QuillBot Humanizer is cheaper to start, at $8.33/mo vs $9/mo.
QuillBot Humanizer: $8.33/mo billed annually, $19.95/mo monthly. Free tier: 125 words, 6 uses/day.
Walter Writes AI: Plans from roughly $9/mo depending on monthly word allowance.
Free tier: Walter Writes AI offers a more generous free tier (200 words).
If you just want to test either tool before paying, Walter Writes AI's 200-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.
Walter Writes AI: Cited in multiple 2026 comparisons as one of the more reliable mid-tier tools against GPTZero.
AI detector included: QuillBot Humanizer bundles a built-in detector; Walter Writes AI does not.
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
Walter Writes AI
- Reliable, repeatable output across multiple passes on the same document
- Praised in independent tests for maintaining natural sentence flow
- Simple flat pricing without confusing tiers
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 Walter Writes AI if: users who process the same type of document repeatedly and want predictable results every time.
Full QuillBot Humanizer review → · Full Walter Writes AI review →