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StealthGPT vs Unbotify

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.

The short answer

Free plan
Only Unbotify (StealthGPT has paid plans only)
Public API
StealthGPT has one; not confirmed by us for Unbotify
Higher Trust score
StealthGPT — 86 vs 78 for Unbotify
Best fit
StealthGPT: Content operations running bulk rewriting through an API or n8n workflow · Unbotify: Founders, recruiters and sales people who send many short messages and want drafts in their own voice
Platforms
StealthGPT: Web, Chrome extension, iOS · Unbotify: Web, Chrome extension

From our own records as of each tool's last check. Anything we have not confirmed is left out rather than guessed. How we verify

Side by side

FactStealthGPTUnbotify
CategoryAI Detection & HumanizersAI Detection & Humanizers
Pricing modelPaidFreemium
Starts at—$9/mo
Public APIYesNot confirmed
Trust score86 / 10078 / 100
PlatformsWeb, API, Chrome extension, iOSWeb, Chrome extension
CompanyXYZ AI, Inc.Unbotify
Launched20232026
Last verifiedOct 22, 2026Oct 15, 2026

What our research says

StealthGPT

The only thing here that competitors do not match is the developer surface — REST API, MCP server and n8n node — so this is the humanizer you pick if you are automating a content pipeline, not the one you pick to write an essay. Everything it sells is a bet on an arms race the detector vendors are also funding.

Pros

  • Genuine developer stack — documented API reference plus an MCP server, which rivals lack
  • Bundled detector lets you check before and after in one place
  • Chrome extension humanizes directly in any text field
  • Enterprise tier handles up to 20,000 words per run

Cons

  • Pricing page is behind a Vercel bot check, so prices cannot be compared without signing up
  • Daily request caps sit behind plans that market themselves as unlimited
  • Rewriting reliably flattens nuance and introduces awkward phrasing that needs an editing pass
  • Positioning around beating Turnitin invites institutional and reputational risk

Unbotify

Unbotify trains on your own writing rather than paraphrasing toward a generic 'human' style, which makes it more useful for everyday email and social replies than detector-dodging humanizers. At $9 a month the Pro plan is cheap, but the free tier is only ten rewrites ever, so it is a short trial rather than a plan. Skip it if you need a team product, an API or a vendor with a named company behind it.

Pros

  • Builds a style profile from real writing samples instead of paraphrasing to a generic tone
  • Writes first drafts from rough notes, not only rewrites of existing text
  • Works inside Gmail, LinkedIn, X, Instagram, Slack and Google Docs through the Chrome extension
  • Pro at $9 per month includes 5,000 writes and rewrites

Cons

  • Free plan is 10 writes and rewrites in total, not per month
  • No legal entity or country named in the terms of service
  • Chrome-only extension; no desktop or mobile app found

Which one fits

Choose StealthGPT if you need

  • Content operations running bulk rewriting through an API or n8n workflow
  • Non-native English writers softening obviously templated LLM prose
  • Agencies that need humanizing inside an existing WordPress or Zapier stack

Choose Unbotify if you need

  • Founders, recruiters and sales people who send many short messages and want drafts in their own voice
  • People who start from AI drafts and want them to stop reading as AI-written
  • Users who keep different tones for LinkedIn, email and Slack

StealthGPT vs Unbotify: the questions people ask

Is StealthGPT cheaper than Unbotify?

Unbotify starts at $9/mo. An entry price for StealthGPT is not confirmed by us yet, so check its pricing page before you compare.

Does StealthGPT or Unbotify have a free tier?

Unbotify has a free tier; StealthGPT has paid plans only.

Which has a public API, StealthGPT or Unbotify?

StealthGPT ships a public API, as of our last verification. A public API for Unbotify is not confirmed by us — check its developer docs before you plan an integration.

All Unbotify alternatives →Browse all AI Detection & Humanizers →