Unprofane vs Core Nexis

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 Core Nexis
Detail	Unprofane	Core Nexis
What it does	Profanity filtering your users can't get around	Production-ready APIs for email validation, image CDN, PDF and HTML rendering, OCR, QR codes and image conversion
Stage	Startup	Not given
Founded	Not given	Not given
Based in	IL	Not given
Pricing model	Paid	Freemium
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	Markdown to PDF: Free (50/mo), $4.99/mo (1,000/mo), $12.99/mo (5,000/mo), $24.99/mo (15,000/mo), Custom; HTML to PDF: Free (30/mo), $6.99/mo (500/mo), $19.99/mo (2,500/mo), $39.99/mo (8,000/mo), Custom; Image to Text OCR: Free (50/mo), $4.99/mo (500/mo), $14.99/mo (2,000/mo), $29.99/mo (5,000/mo), C
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	HTML and CSS rendering for PDF conversion with JavaScript execution OCR with 30+ language support and auto-detection Real-time email verification with SMTP and DNS checks Global CDN with flexible image storage and social sharing QR code and barcode generation with logo embedding Image format conversion across 25+ formats including AVIF, HEIC and JPEG XL Markdown to PDF conversion with syntax highlighting and custom fonts Language-agnostic RESTful APIs supporting multiple programming languages SLA with 99.9% uptime on paid plans
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	Free tier for all APIs enables testing with real data before paid commitment Trusted by 12,000+ developers worldwide with production-ready, stable APIs Nine integrated APIs covering documents, email, and images in one platform
Community votes	0	0
DR (Domain Rating by Ahrefs)	5 −1 (down) since last check	37 +2 (up) since last check
Trust Flow (Majestic)	5	3
Citation Flow (Majestic)	21	18
Referring domains (Majestic)	14	11

5 details filled in for both companies.

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