Free tier with no limits. Paid plans: Day Pass $9.99 (24-hour one-time payment, up to 25,000 words), Pro $6/month when billed annually at $72 (up to 50,000 words/month), Unlimited $15/month when billed annually at $180 (no monthly word limit, 30,000 words/day fair use limit).
Not given
Key features
Autopilot mode for automatic rewriting until detection passes
Sentence-level alternatives for manual refinement
Preserve Formatting mode for document structure
Two humanization models: Premium and Stealth
Full history and cloud save for paid users
Plagiarism checker tool
PASS, REVIEW or FAIL verdicts on emails
Detects unsolicited diagnoses and privacy intrusion
Catches generic flattery and fake familiarity
Identifies asymmetric asks and excessive homework
API integration for automated checking
MCP support for AI agents
Gmail and Outlook browser extensions
ChatGPT app integration
Structured JSON verdicts via API
What makes it different
Trained on 30 million real human writing samples from academia, blogs, and professional sources
Seven versions of refinement with continuous improvement
Uses deterministic filters with fixed rules before applying AI analysis
Judges message form rather than facts it cannot verify
Scales across workflows and no-code platforms
Integrated with Zapier, Make, n8n, Clay and other tools
TextToHuman
MailDignity