Skip to main content

Built by makers, shipped in public

Sign in

Sonicert vs Curbi

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

Sonicert compared with Curbi
DetailSonicert logo SonicertCurbi logo Curbi
What it doesFree AI music detector for screening songs for signs of AI generation Check AI agent replies against configured rules and verify signed records
StageStartup Not given
FoundedNot given Not given
Based inNot given Not given
Pricing modelNot given Freemium
PricingFree: unlimited single checks, no account needed. Starter: $4.90 one-time for 60 batch credits, valid 12 months. Pro: $9.90 one-time for 240 batch credits, valid 12 months. No subscription or auto-renewal. Free: local open-source checker, browser policy checks, six read-only MCP tools, regression export and offline verification. Managed Check API: $1 per 1,000 checked replies, USD, monthly usage billing through Stripe.
Key features
  • Upload audio files (MP3, WAV, M4A, FLAC, OGG) up to 50 MB or paste direct audio links
  • Spectral screening score with confidence indicator or inconclusive result
  • Analysis runs fully online in browser, no app or extension required
  • Audio permanently deleted immediately after analysis
  • Batch screening with resumable multi-track workflow (paid)
  • Specialized detectors for Suno, Udio, YuE2, and AI voices
  • Published test results with per-track scores and methodology
  • Recognizes output from major AI music generators
  • Screenshot-friendly shareable detection result cards
  • Check agent replies against configured pricing, forbidden phrases, and action records
  • Policy Check tool with browser interface for testing rules
  • Model Context Protocol endpoint for Claude, ChatGPT and other MCP clients
  • Offline verification with signed records and Merkle proofs
  • Repair Lab for reproducing and fixing integration failures
  • Managed Check API with pricing transparency
  • MIT-licensed open-source local checker
  • Framework connectors for LangChain and Vercel AI SDK
  • MCP Chaos proxy for testing agent behavior
What makes it different
  • Completely free for single-track checks with no signup or account required
  • Publishes full methodology, per-track results, and failures transparently
  • No storage of user audio or use of uploads for training
  • Withholds inconclusive verdicts when evidence is weak rather than guessing
  • One-time paid credit packs with no subscription or auto-renewal
  • Verifiable AI agent compliance without authorization or permission granting
  • Evidence and records portable across platforms and models
  • Transparent per-reply pricing with clear usage examples
  • Open-source core with portable verification
Community votes00
DR (Domain Rating by Ahrefs)6 no change since last checkNot checked yet no change since last check
Trust Flow (Majestic)50
Citation Flow (Majestic)190
Referring domains (Majestic)70

4 details filled in for both companies.

More alternatives to Sonicert More alternatives to Curbi

Ask us