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Certvo vs Sonicert

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

Certvo compared with Sonicert
DetailCertvo logo CertvoSonicert logo Sonicert
What it doesAI-powered web accessibility scanner with generated code fixes for WCAG 2.1 and 2.2 compliance Free AI music detector for screening songs for signs of AI generation
StageStartup Startup
Founded2026 Not given
Based inTR Not given
Pricing modelFreemium Not given
PricingFree plan: 1 website, 5 pages per analysis, 10 AI credits/month. Pro: $49/month for 3 websites, 500 AI credits/month. Team: $99/month for 15 websites, 1,500 AI credits/month. Business: $249/month with unlimited websites and 5,000 AI credits/month. Additional 100 credits available for $9. Free: 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.
Key features
  • AI-generated code fixes scoped to affected HTML elements
  • Real-time browser rendering via headless Chromium
  • Continuous monitoring with scheduled rescans
  • Contextual alt text generation
  • Accessibility statement and VPAT generators
  • Team collaboration with multiple user roles
  • PDF and CSV report exports
  • API access and webhooks for integration
  • MCP server integration for Claude, Cursor and compatible clients
  • 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
What makes it different
  • Returns actual code fixes instead of just violation reports
  • Fixes the underlying source code, not runtime overlays
  • Uses industry-standard axe-core engine for reproducible findings
  • Maps findings to specific WCAG criteria and relevant laws
  • Works with any website stack including WordPress, Shopify, Webflow, and custom frameworks
  • 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
Community votes00
DR (Domain Rating by Ahrefs)6 no change since last check6 no change since last check
Trust Flow (Majestic)45
Citation Flow (Majestic)2219
Referring domains (Majestic)117

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