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Vardum vs ctlogs.dev

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

Vardum compared with ctlogs.dev
DetailVardum logo Vardumctlogs.dev logo ctlogs.dev
What it doesPrivate messenger, secure phones and private AI Search billions of TLS certificates from all public Certificate Transparency logs by domain, wildcard, organization, serial number or SHA-256 fingerprint
StageMVP Not given
FoundedNot given Not given
Based inAU FR
Pricing modelFree Not given
PricingVardum Messenger is free during beta. Vardum Phones are available in three packages from A$1,100 delivered in 7 to 14 days in Australia. Vardum AI for Android and Vardum Desktop are in testing with no price or release date yet. Not given
Key features
  • Post-quantum end-to-end encryption with AES-GCM-256 and ML-KEM-768
  • Groups of up to 100 with post-quantum sender keys
  • 24-word identity with no name, email or phone number
  • Search by domain, wildcard, organization, serial number, SHA-256 fingerprint and public key (SPKI)
  • Index of 28.5 billion certificates across 88 active and 111 archived CT logs
  • 6.5 billion distinct hostnames with first-seen and last-seen dates, certificates back to 2013
  • Fast API: domain lookup 25-30 ms, subdomains 45-50 ms
  • Subdomain finder with certificate counts and first/last seen dates
  • BIMI brand logos from verified mark certificate logs
  • CAA record checker showing records as CAs see them and CAs that issued for a domain
  • Free JSON API with cursor pagination and anonymous use
  • Machine-readable documentation at llms.txt for AI agents
  • Continuous ingestion of all public CT logs with live coverage metrics
What makes it different
  • No phone number or email required - identity is 24 random words generated on your phone
  • Post-quantum cryptography protecting against future quantum computing threats
  • Designed to protect lost, stolen or taken phones with encryption at rest
  • Searches all public Certificate Transparency logs continuously ingested into a single index
  • Reveals subdomains hidden from DNS enumeration and web crawls through certificate search
Free planNot given Not given
Open sourceNot given Not given
PlatformsNot given Not given
Public APINot given Not given
Community votes00
DR (Domain Rating by Ahrefs)Not checked yet no change since last check38 no change since last check
Trust Flow (Majestic)018
Citation Flow (Majestic)2129
Referring domains (Majestic)576

4 details filled in for both companies.

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