What is StealthWriter?
StealthWriter is an AI humanizer and detector with a premium feel. It offers multiple rewrite strengths, a sentence-by-sentence "Deep Scan" that highlights flagged text, and the ability to click individual sentences to pick alternative rewrites. It has a free plan with daily usage limits.
ClearPen vs StealthWriter, side by side
| Feature | ClearPen | StealthWriter |
|---|---|---|
| Core product | AI humanizer + detector | AI humanizer + detector |
| Positioning | Protect your real voice from unfair AI flags | Humanize AI writing so it reads naturally |
| Sentence-level controls | Tone presets; rewrites the whole passage | Deep Scan highlights + per-sentence alternative rewrites |
| Tone control | Academic, casual, professional, business | Light / medium / aggressive rewrite levels |
| Usage model | Monthly word allowance per plan | Daily humanization/scan limits per plan |
| Preserves meaning & citations | Keeps your ideas, citations, and structure | Varies by rewrite level |
| Free trial | 500 words free, no credit card | Free plan with daily limits |
Comparison reflects ClearPen's view at the time of writing. Features change — check each tool's current site for the latest.
Where ClearPen stands out
The honest verdict
StealthWriter is a polished tool, and its Deep Scan with per-sentence alternative rewrites is a genuinely nice touch if you like editing at that level of granularity — ClearPen doesn't match that sentence-picker one-for-one. ClearPen's strengths are its false-positive-first focus, dedicated academic tone, and a monthly word model with a no-card trial. Run the same paragraph through both and keep whichever reads more like you.