Best AI tools to humanize AI text
Top picks at a glance:
- WriteHuman — Transform AI text into natural writing.
- Monica — An all-in-one AI assistant that provides chat, search, writing, image generation, video generation, and coding support.
- Aithor — An AI writing assistant for generating essays, research papers, and academic texts with verifiable sources.
- Walter Writes AI — An AI humanizer and detection platform that rewrites AI-generated text to sound natural and identifies AI-written content.
- StealthWriter — StealthWriter rewrites AI-generated content so it reads naturally human, polished, and ready to use.
| Tool | What it does | Pricing | Free tier | Refunds |
|---|---|---|---|---|
| WriteHuman | Transform AI text into natural writing. | Free tier; paid from $12/mo | Yes | None stated |
| Monica | An all-in-one AI assistant that provides chat, search, writing, image generation, video generation, and coding support. | Free tier; paid from $8.30/mo | Yes | — |
| Aithor | An AI writing assistant for generating essays, research papers, and academic texts with verifiable sources. | Free tier; paid from $12.50/mo | Yes | 14 days |
| Walter Writes AI | An AI humanizer and detection platform that rewrites AI-generated text to sound natural and identifies AI-written content. | Free tier; paid from $8/mo | Yes | 3 days |
| StealthWriter | StealthWriter rewrites AI-generated content so it reads naturally human, polished, and ready to use. | Free tier; paid from $20/mo | Yes | — |
— means the vendor does not state it on the pages we read.
How do I choose an AI tool to humanize ai text?
When selecting the right tool to humanize ai-generated text, start by identifying which platforms match your device requirements. If you need mobile or browser-integrated support, prioritize tools like Walter Writes AI or Monica. Next, evaluate your budget against the specific subscription terms, noting which services offer refund windows versus those with auto-renew policies and no-refund stances. If you are a developer, confirm whether an API is available for your workflow. Finally, pay close attention to stated limits; some tools explicitly caution that they cannot guarantee detection bypass, while others provide specific warnings regarding regulated data. Always verify if the tool requires a specific output style or if it imposes watermarks on your generated content before committing to a paid plan.
WriteHuman
Visit WriteHumanwritehuman.aiCancellation & refund terms for WriteHuman

Transform AI text into natural writing.
Turn AI into natural writing with the world's most powerful AI Humanizer.
Pricing, in their words: “Monthly Yearly3 months free You're saving up to $72/year with annual billing” (pricing)
Subscription terms they state: cancel in-app · auto-renews · states no refunds (source)
Limits the vendor states:
- cannot generate original content
- cannot guarantee detection bypass
Monica
Visit Monicamonica.im
An all-in-one AI assistant that provides chat, search, writing, image generation, video generation, and coding support.
Convert AI to human-like writing.
Pricing, in their words: “Free users have a daily usage limit. However, for advanced features, you may need to upgrade to a paid version.” (pricing)
Subscription terms they state: auto-renews (source)
Limits the vendor states:
- watermark on outputs
Aithor
Visit Aithoraithor.comCancellation & refund terms for Aithor

An AI writing assistant for generating essays, research papers, and academic texts with verifiable sources.
If it flags AI – my Humanizer can get that fixed in no time.
Pricing, in their words: “Best Value Twice a year 55% off $166.6 $74.99 $12.5/ month” (pricing)
Subscription terms they state: cancel in-app · auto-renews · 14-day refund window (source)
Limits the vendor states:
- No guaranteed 100% undetectability
Walter Writes AI
Visit Walter Writes AIwalterwrites.ai
An AI humanizer and detection platform that rewrites AI-generated text to sound natural and identifies AI-written content.
Walter offers two core tools: an AI Humanizer that rewrites AI-generated text to sound natural and authentically human
Pricing, in their words: “Starter 30,000 words/month $ 8 Per month , Billed $96 Annually” (pricing)
Subscription terms they state: cancel in-app · auto-renews · 3-day refund window (source)
Limits the vendor states:
- guarantee avoidance of ai detection
- use for hipaa/fisma-regulated data
StealthWriter
Visit StealthWriterstealthwriter.aiStealthWriter rewrites AI-generated content so it reads naturally human, polished, and ready to use.
StealthWriter rewrites AI-generated content so it reads naturally human, polished, and ready to use.
Pricing, in their words: “Simple, transparent pricing” (pricing)
No usage limits stated on the pages we read.
FAQ
Is there a free tool to humanize ai text?
Yes — WriteHuman, Monica, Aithor, Walter Writes AI, StealthWriter offer a free tier.
What is the cheapest paid option to humanize ai text?
Walter Writes AI starts at $8/month.
Which of these have an API?
WriteHuman, Monica, Aithor, Walter Writes AI document a developer API.
How do I cancel these subscriptions?
WriteHuman: cancel in-app; Aithor: cancel in-app; Walter Writes AI: cancel in-app. Monica, StealthWriter do not state a cancellation route on the pages we read.
Can I get a refund?
WriteHuman states it does not offer refunds; Aithor states a 14-day refund window; Walter Writes AI states a 3-day refund window. The others (Monica, StealthWriter) do not state a refund policy on the pages we read.
Do these subscriptions auto-renew?
WriteHuman, Monica, Aithor, Walter Writes AI state that paid plans renew automatically. Check the billing page before subscribing; the rest do not state it either way.
Sources
Every fact above was read from the vendors' own pages: