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99tests vs CheckAIContent

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

99tests compared with CheckAIContent
Detail 99testsCheckAIContent logo CheckAIContent
What it doesReal testers run your AI-generated test cases on real phones and browsers with a human-verified pass/fail report in 3 days Detect AI-generated text from ChatGPT, Gemini, and Claude in seconds
StageEstablished Not given
Founded2011 Not given
Based inIN Not given
Pricing modelPaid Free
PricingStarter ₹9,999 + GST (5 sessions × 45 min, 2 devices/browsers, up to ~25 test cases, 3 business days); Standard ₹18,999 + GST (10 sessions × 45 min, 4 devices/browsers, up to ~50 test cases, 3 business days); Deep ₹34,999 + GST (20 sessions × 90 min, 6 devices/browsers, up to ~120 test cases, 5 busi Not given
Key features
  • Test case execution on real Android and iOS phones
  • Cross-browser testing on Chrome, Safari, Edge and Firefox
  • Human-verified pass/fail results for every test case
  • Screenshot and video recording of every failure
  • Exact reproduction steps for every failure
  • Device, OS and browser version details in report
  • Verified severity grading against published rubric
  • Duplicate finding merging and verification
  • One-click re-run on same plan with new build
  • Coverage table showing pass/fail/blocked status per device
  • Sentence-level scoring and AI probability highlights
  • Supports ChatGPT, Gemini, Claude, and other AI models
  • DOCX and PDF file upload
  • Instant 2-second analysis
  • No signup required
  • Paragraph rewriter with goal-driven rewrites
  • Tone changer for multiple voice styles
  • Grammar checker with multiple English variants
  • Real-time results
  • 98.7% detection accuracy
What makes it different
  • Real devices only, not emulators or simulators
  • Human verification catches failures emulators and AI agent test runs miss
  • Fixed price with no hourly overage or hidden charges
  • Unfilled device sessions automatically credited to next job
  • 98.7% detection accuracy with sentence-level highlights
  • Combines detection, rewriting, tone changing, and grammar checking in one workspace
  • No signup required for immediate use
Community votes00
DR (Domain Rating by Ahrefs)29 −1 (down) since last check4 +1 (up) since last check
Trust Flow (Majestic)94
Citation Flow (Majestic)3215
Referring domains (Majestic)10937

4 details filled in for both companies.

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