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CheckerAI vs COLVO

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

CheckerAI compared with COLVO
DetailCheckerAI logo CheckerAICOLVO logo COLVO
What it doesFree AI detector that checks text for signs of AI writing with no sign-up required Test and guard AI agents with outcome verification, not reply verification
StageNot given Not given
FoundedNot given Not given
Based inNot given IT
Pricing modelFree Freemium
PricingNot given Free: €0/month with 100 test runs per month; Test: €19/month with 2,000 runs per month; Guard: €99/month with unlimited runs plus live guard features. AI usage is metered separately at cost.
Key features
  • Score-based detection showing how closely text resembles AI writing
  • Highlighted passages showing flagged sections in context
  • Support for multiple file formats including PDF and Word documents
  • No account or registration required
  • Automatic sectioning for long documents
  • Detection of multiple AI writing models
  • No submission history or database storage
  • Isolated sandbox with fresh fake accounts for testing
  • 88 scenario templates for refunds, cancellations, pauses and plan changes
  • CI gate and CLI with dependency-free deployment
  • Policy gate with ALLOW/REVIEW/HOLD/DENY decisions
  • Human approval for risky actions
  • Independent verification of outcome against ground-truth state
  • Guardrails with prompt injection and PII detection
  • Per-end-user spending caps in rolling windows
  • Append-only evidence log with JSON, CSV and PDF export
  • GitHub Action integration for automated testing
What makes it different
  • Completely free with no sign-up required
  • Works with documents up to 20 MB in multiple formats
  • Provides context-aware highlighting alongside original text
  • No data retention or published results
  • Deterministic verdicts from explicit state checks, not language model decisions
  • No-cost deterministic testing; AI features are optional and separately metered
  • Integrated sandbox testing and production guarding in one platform
  • Idempotent and exactly-once action execution with retry safety
Community votes00
DR (Domain Rating by Ahrefs)2 +2 (up) since last checkNot checked yet no change since last check
Trust Flow (Majestic)20
Citation Flow (Majestic)140
Referring domains (Majestic)40

4 details filled in for both companies.

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