VoiceGremlin vs Corvis

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

VoiceGremlin compared with Corvis
Detail	VoiceGremlin	Corvis
What it does	CI/CD testing for AI voice agents that calls your agent and returns pass/fail results	The night watch for apps built with AI that tests checkout on every preview, watches live apps and payments, and identifies the deploy behind a break
Stage	Not given	Not given
Founded	Not given	Not given
Based in	Not given	IN
Pricing model	Free	Freemium
Pricing	100 free minutes. No credit card required.	Watch: Free (1 app, 1 journey read-only on production daily, security checks, 1 uptime monitor). Guard: $19/month (5 journeys on every preview and production deploy, business pulse, 20 auto-fixes a month, 10 monitors). Guard + Calls: $49/month (everything in Guard plus 10 journeys per app, Corvis ca
Key features	Real phone calls from real carrier lines for end-to-end validation LLM-powered test agent that role-plays as a customer Plain English test case descriptions without scripted paths Simple two-call REST API integration Complete call transcripts in failure notifications for troubleshooting LLM as Judge for intelligent pass/fail evaluation No SDK or test case repository to manage	Journey testing on preview deployments in real browser Security checks on every push Uptime monitoring Leaked key detection and rotation help Screenshot and fix brief for failing steps Telegram alerts with voice briefings Export journeys as Playwright tests Supabase row-level security check and auto-fix
What makes it different	Real end-to-end validation with actual phone calls covering SIP integration, STT/TTS, and functional behavior Intelligent LLM testing that understands intent instead of matching keywords or regex Lightweight and unopinionated API design for fast integration Complete call transcripts included in test failures for immediate troubleshooting	Tests real customer journeys in a real browser on every preview, not AI-generated tests grading their own work Learns your app's normal payment and signup patterns to detect drops when they occur Works across Vercel, Supabase and Stripe together for full app visibility Calls you on critical issues like stopped payments instead of just sending alerts
Community votes	0	0
DR (Domain Rating by Ahrefs)	7 no change since last check	Not checked yet no change since last check
Trust Flow (Majestic)	3	0
Citation Flow (Majestic)	22	0
Referring domains (Majestic)	40	0

5 details filled in for both companies.

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