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Mailvex vs AI Undetectable

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

Mailvex compared with AI Undetectable
DetailMailvex logo MailvexAI Undetectable logo AI Undetectable
What it doesAI email builder that applies your brand automatically Check AI-likelihood, humanize robotic passages, and review meaning with an undetectable AI writing workflow built for careful editing.
StageNot given Not given
FoundedNot given Not given
Based inNot given Not given
Pricing modelFreemium Freemium
PricingFree plan with no time limit; Starter $12/month or $10/month billed yearly; Pro $27/month or $23/month billed yearly; Agency $119/month or $99/month billed yearly. 3-day free trial. Basic plan: $5.00/month (10,000 credits/month, charged annually at $60.00). Pro plan: $9.50/month (20,000 credits/month, charged annually at $114.00). Business plan: $15.75/month (35,000 credits/month, charged annually at $189.00). Basic uses 1 credit per input word; Stealth uses 2
Key features
  • Brand book PDF upload with automatic style extraction
  • Support for five languages: English, Spanish, French, German, and Portuguese
  • Side-by-side comparison of original and rewritten versions
  • Preserves facts, names, numbers, and important claims during rewriting
  • API-ready access on Business plan
  • Priority rewriting access on Business plan
What makes it different
  • No coding or design skills required
  • Build first email in 15 minutes
  • 164 templates available free forever
  • Combines detector, humanizer, and review tools in one workspace instead of switching between disconnected tools
  • Rebuilds paragraph structure and sentence rhythm rather than just replacing words
  • Treats detector scores as review signals rather than guaranteeing bypass of detection
  • Published benchmark showing both successful and failed rewrites for transparency
  • Money-back guarantee if rewritten text is flagged as not human
Community votes00
DR (Domain Rating by Ahrefs)9 no change since last check9 no change since last check
Trust Flow (Majestic)256
Citation Flow (Majestic)2330
Referring domains (Majestic)2577

5 details filled in for both companies.

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