Frenemy vs Nullgen AI Blocker

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

Frenemy compared with Nullgen AI Blocker
Detail	Frenemy	Nullgen AI Blocker
What it does	Know Your Traffic	Block AI on every device, from the prompt box to the app
Stage	MVP	Not given
Founded	Not given	Not given
Based in	Not given	Not given
Pricing model	Paid	Freemium
Pricing	Three subscription tiers per site: $4.99/mo for observation only, $19.99/mo for observation and dry-run blocking, $49.99/mo for automated enforcement. No free tier. 14-day free trial available.	Free extension forever with no account required. Family plan: 14 day trial, then $5.99/month for up to 4 children and 2 parents with dashboard and mobile apps. Enterprise plan: 30 day trial, then $10/seat/month for organizations.
Key features	Every bot and AI agent named and classified Verified identity checks against operators' published IP ranges Impact scoring showing cost in bandwidth versus earnings from referrals Never-block-search interlock protecting search engine rankings Automatic handling of new scrapers and impostors via standing policy rules Crawl-spike throttling with automatic release API access and webhooks at highest tier	Blocks AI prompts in browser Blocks 100+ known AI apps and websites On-device processing with no data collection Works across Chrome, Edge, Firefox, and Safari Mobile app for iOS and Android Centralized admin dashboard Access request approvals Real-time policy synchronization Force-install and pinning enforcement Zero-touch deployment via Intune, Jamf, Google Workspace, and Group Policy
What makes it different	Fails open — if Frenemy goes down, your site serves normally without any dependency on the service Verified search engines cannot be blocked by default, protecting SEO rankings Single kill switch turns off all enforcement instantly without deploy or tickets Transparent data alignment — only revenue is subscriptions, so incentive is to be worth it Works across multiple platforms with same classification engine	Blocks prompts before they are sent, not just at the destination Single account manages browser, mobile, and desktop across the whole family or organization Free extension stays free forever with no account required No network changes, proxy, certificates, or DNS rules needed
Free plan	Not given	Not given
Open source	Not given	Not given
Platforms	Not given	Not given
Public API	Not given	Not given
Community votes	0	0
DR (Domain Rating by Ahrefs)	6 no change since last check	Not checked yet no change since last check
Trust Flow (Majestic)	9	1
Citation Flow (Majestic)	26	25
Referring domains (Majestic)	83	30

5 details filled in for both companies.

More alternatives to Frenemy More alternatives to Nullgen AI Blocker