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Humanize Max vs StealthWriter

Two fact sheets from our own research, side by side — pricing, platforms, API access and status re-checked by us rather than quoted from the vendors. StealthWriter publishes a starting price ($20); Humanize Max does not. Both have a free tier.

Humanize MaxFree AI-text rewriter with four styles, term locking and no account, sign-up or word cap.StealthWriterRewrites AI-written text to read as human and scores it against detectors in the same pass

Side by side

FactHumanize MaxStealthWriter
CategoryAI Detection & HumanizersAI Detection & Humanizers
Pricing modelFreeFreemium
Starts at—$20 month
Public APINoNo
PlatformsWebWeb
Company—AiVantage LLC
Launched—2023
Last verifiedSep 1, 2026Sep 6, 2026

What our research says

Humanize Max

Everything free with no signup is rare enough in this category to be the main reason to try it, and term locking is a genuinely practical touch when brand names would otherwise get paraphrased away. The flip side is that a tool with no revenue model and no named operator gives you nothing to rely on if it changes or disappears.

Pros

  • Every feature free with no cap on words or reruns
  • No account or sign-up required
  • Four writing styles plus shorten and expand control
  • Term locking keeps chosen words intact

Cons

  • No company or country identified anywhere
  • No API and no team features
  • No stated revenue model, so longevity is unclear

StealthWriter

Pairing the rewriter with its own detector in one screen is the sensible design choice here — you can see the before and after score instead of pasting into a third tool to find out. The tiering is honest about what you are buying: daily rewrite count and input length, nothing hidden. Everything else about this category applies, though: detector scores are not a guarantee, the rewrite flattens voice and sometimes meaning, and using it on assessed work is a disciplinary matter regardless of what the score says.

Pros

  • Built-in detector scores text before and after the rewrite in the same interface
  • Free tier is a standing 10 rewrites a day, not a one-off trial
  • Every paid tier raises input length to 5,000 words, so tiers differ only by volume
  • Named US operator with published phone and email support hours
  • Changelog actively maintained, indicating ongoing development

Cons

  • Detector evasion degrades as detectors update — today's score is not a durable result
  • Rewriting flattens voice and can quietly alter facts or technical terms
  • $400/month top tier is steep for a single-function tool, and there is no API to justify it
  • Free tier's 1,000-word input cap excludes most real articles

Which one fits

Choose Humanize Max if you need

  • Quick one-off rewrites without creating an account
  • Writers who need brand terms preserved through a rewrite
  • Anyone unwilling to pay for a humanizer

Choose StealthWriter if you need

  • Editing model-drafted marketing copy so it reads less mechanically
  • Checking a draft's detector score before it goes to a client who screens for AI text
  • Non-native writers polishing model-assisted drafts for tone

More comparisons

All Humanize Max alternatives →All StealthWriter alternatives →Browse all AI Detection & Humanizers →