Unprofane vs Maison Cartouche

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

Unprofane compared with Maison Cartouche
Detail	Unprofane	Maison Cartouche
What it does	Profanity filtering your users can't get around	API for sending handwritten letters through AI agents and assistants
Stage	Startup	Not given
Founded	Not given	Not given
Based in	IL	DE
Pricing model	Paid	Not given
Pricing	Hobby: $9/month (25,000 checks); Starter: $29/month (100,000 checks); Growth: $249/month (1,000,000 checks); Scale: $999/month (5,000,000 checks). Extra checks available at $29 per 100,000 (Hobby/Starter), $25 per 100,000 (Growth), $20 per 100,000 (Scale). Launch offer: half price on Hobby and Start	Not given
Key features	Catches leetspeak, look-alike letters and creative spelling variants Context-aware filtering with three policies: kids, standard, casual Detects abuse without explicit swear words Avoids false positives on place names, surnames and anatomy Supports 17 languages Drop-in replacement for Google Perspective API with compatible JSON and errors Rules-based engine with optional AI model for complex cases Fast mode (rules only) and balanced mode (model-assisted) Open benchmark showing performance metrics Available for username checks, chat, comments, reviews and AI agent responses	Agent policy configuration with send limits and approval settings Relationship management with contact details restricted from API Moment tracking for birthdays and anniversaries Letter quote and pricing with customizable upgrades Real-time send tracking with multiple status states Address request generation with privacy protection Webhook event system with signature verification OAuth support for custom connectors like Claude
What makes it different	Catches disguised profanity that word lists and basic APIs miss, including 13 measured kinds of disguise Direct replacement for Google's Perspective API ending December 31, 2026	Same API primitives used in the app itself Hands-on compliance with frequency limits and approval workflows Model Context Protocol integration for AI assistants Hosted MCP server with no installation required
Community votes	0	0
DR (Domain Rating by Ahrefs)	5 −1 (down) since last check	Not checked yet no change since last check
Trust Flow (Majestic)	5	0
Citation Flow (Majestic)	21	0
Referring domains (Majestic)	14	0

4 details filled in for both companies.

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