AI Humanizer Comparison
The Best QuillBot Alternative
QuillBot is a great paraphraser — but paraphrasing is not the same as making text read human, and the free tier is tight. aidetectors.io humanizes and detects AI in one free workflow.
What is QuillBot?
QuillBot is a widely used paraphrasing and grammar tool that also offers a humanizer and an AI detector. Its free plan caps the amount of text you can process at once and reserves modes and longer inputs for Premium (current price at quillbot.com/pricing). Paraphrasing alone often still trips AI detectors, because swapping words does not change the predictable rhythm detectors look for.
aidetectors.io vs QuillBot
| Feature | aidetectors.io | QuillBot |
|---|---|---|
| Free usage | Free plan: 3 credits at signup + 1 per day, 500 words per use | Free paraphrasing capped per request; modes locked |
| Purpose-built humanizer | Rewrites for natural rhythm, not just synonyms | Paraphraser swaps words; can still read as AI |
| Built-in AI detector | Yes — sentence-level AI score included free | Detector exists but is a separate, basic check |
| Pricing | Free plan; Pro $9.99/mo (prices checked September 2026) | Premium subscription for full features — see quillbot.com/pricing (not verified by us in September 2026) |
| Best for | Making AI drafts read human + verifying them | General paraphrasing and grammar |
| Sign-up to try | No sign-up to start | Account required for most features |
Why people switch from QuillBot
- Paraphrasing your text in QuillBot still leaves it flagged by detectors — you want true humanizing.
- You keep hitting QuillBot’s free word limit mid-task.
- You want to humanize and then confirm the result with a real AI detector in one place.
- You want sentence-level feedback on what still reads as AI.
Try it free, right here
Paste your text below to scan it for AI — sentence by sentence. Then humanize it free.
Frequently asked questions
Is there a free QuillBot alternative?
Yes. aidetectors.io humanizes AI text and checks it for AI for free, with more generous limits than QuillBot’s free paraphraser.
Does paraphrasing in QuillBot avoid AI detection?
Often not. Paraphrasing swaps words but keeps the even, predictable rhythm detectors flag. Genuine humanizing changes the structure and voice — and you should always re-check the result.
Can aidetectors.io both rewrite and detect AI?
Yes. Humanize your draft, then run it through the built-in detector to see which sentences still read as machine-generated.
Is aidetectors.io cheaper than QuillBot Premium?
There is a free tier, and Pro is $9.99/month, with the detector included.
The bottom line
QuillBot is excellent for paraphrasing and grammar, but if your goal is to make AI text read human and confirm it is not flagged, aidetectors.io is the better-fit free alternative — a purpose-built humanizer plus a sentence-level detector in one place.
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Ready to try the free QuillBot alternative?
Humanize your AI text and verify it — free, no sign-up.