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Epherem vs Witnessory

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

Epherem compared with Witnessory
DetailEpherem logo Epherem Witnessory
What it doesFree security scanning for apps built with AI Measures internet adoption of post-quantum cryptography through independent network probes
StageMVP Not given
FoundedNot given Not given
Based inSG Not given
Pricing modelFree Freemium
PricingFree during early access, 5 scans a day Free: dashboard, one check at a time, and probe. Watch 10: $19/month (up to 10 hostnames). Watch 100: $99/month (up to 100 hostnames). Evidence report: $9 (up to 10 hostnames) or $39 (up to 50). API Free: $0. API Developer: $19/month (2,000 checks/month). API Pro: $99/month (25,000 checks/month). Da
Key features
  • 55 security checks for common AI-built app mistakes
  • Package dependency vulnerability checking
  • GitHub integration and ZIP upload
  • AI tool fix prompts for Cursor and Claude Code
  • File and line number location for each finding
  • Plain language security explanations
  • Report persistence and code deletion
  • Coverage for JavaScript, TypeScript and Python
  • Real-time post-quantum adoption statistics across top 10,000 internet sites
  • Daily or 6-hourly checks of monitored hostnames from multiple networks
  • Signed and Bitcoin-anchored evidence reports for auditors and regulators
  • API with fresh or reused check results and bulk query support
  • Webhook alerts on any change to monitored sites
  • Monthly dataset of top 10,000 sites' cryptography and certificate data
  • Custom probes inside your own networks for enterprise customers
  • HTTP 402 payment support for agents via USDC on Base
  • Recomputable view hash for transparent, reproducible results
  • Free probe hosting for independent network monitoring
What makes it different
  • Deterministic checks that give the same results every time, not variable AI answers
  • No AI reads your code during scanning
  • Reports designed for people who built the app, not security engineers
  • Free with nothing hidden during early access
  • Transparent about scan limitations in every report
  • Every reading is cryptographically signed and results are reproducible and recomputable
  • Neutral and transparent: no result is changed, hidden or ranked for money
  • Global coverage from multiple independent network probes
  • Auditor-grade evidence reports anchored in Bitcoin
  • Free access to core tools: dashboard, single checks, and probe hosting
Community votes00
DR (Domain Rating by Ahrefs)2 +1 (up) since last check1 −1 (down) since last check
Trust Flow (Majestic)60
Citation Flow (Majestic)254
Referring domains (Majestic)161

5 details filled in for both companies.

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