StealthWriter
8.1#2 in ai text humanizersFrom $20 a monthFree planAndroidiOSWeb
VisitStealthWriter vs WriteHuman
WriteHuman
7.3#6 in ai text humanizersFrom $12 a monthFree planAndroidiOSWebAPI
VisitWhat both publish
| Fact | StealthWriter | WriteHuman |
|---|---|---|
| AI detector | The public detector accepts up to 500 words without an account and provides an overall estimate plus sentence feedback. | WriteHuman includes an AI detector that assigns each sentence its own AI probability. |
| Browser extension | The FAQ says no browser extension is available and places one on the future roadmap. | The Chrome extension offers grammar and spelling checks, inline fixes, a personal dictionary, site-by-site controls, and humanization from a side panel. |
| Headquarters | Sheridan, Wyoming, United States | Arlington, Virginia, United States |
| Languages | The FAQ lists Spanish, French, German, Italian, Portuguese, and Dutch among supported languages. | The website says the humanizer supports 40-plus languages. |
StealthWriter plans
- FreeFree
- Starter$20 a month
- Plus$50 a month
- Pro$100 a month
- Business$200 a month
- Scale$400 a month
WriteHuman plans
- FreeFree
- Basic$20 a month
- Pro$29 a month
- Standard API$29 a month
- Ultra$59 a month
- Premium 400K API$69 a month
Pick StealthWriter if…
StealthWriter may suit writers, marketers, and professionals who want to revise AI-assisted drafts and receive AI-detection feedback. It is browser-based and supports desktop, tablet, and mobile use.
Pick WriteHuman if…
WriteHuman is aimed at marketers, freelancers, professionals, content creators, and agencies who want to rewrite AI-generated text or check writing with an AI detector. Developers may also find the REST API relevant.