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Clever AI Detector vs 99tests

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

Clever AI Detector compared with 99tests
DetailClever AI Detector logo Clever AI Detector 99tests
What it doesFree AI checker that estimates text probability as AI-generated with sentence-level analysis Real testers run your AI-generated test cases on real phones and browsers with a human-verified pass/fail report in 3 days
StageNot given Established
FoundedNot given 2011
Based inUS IN
Pricing modelFree Paid
Pricing$0 - completely free with no ads, paywall, or sign-up required. Unlimited checks with up to 10,000 words per check and sentence-level signals included. Starter ₹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
Key features
  • AI probability score on 0-100 scale
  • Sentence-level AI signal analysis
  • Supports up to 10,000 words per check
  • Detects text from ChatGPT, Gemini, Claude, DeepSeek and other AI models
  • No sign-up required to use
  • Check history saved for signed-in users
  • Supports English and Spanish text
  • Ranked #1 on GEDE Benchmark
  • Minimum 80-word requirement for meaningful results
  • No ads or paywall
  • 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
What makes it different
  • Reports probability instead of certainty, with sentence-level context for review
  • Provides full results free with no paywalled features
  • Ranked #1 on independent GEDE detection benchmark
  • Allows unlimited checks with no usage limits
  • Model-agnostic detection across all major AI platforms
  • 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
Community votes00
DR (Domain Rating by Ahrefs)75 no change since last check27 no change since last check
Trust Flow (Majestic)559
Citation Flow (Majestic)4832
Referring domains (Majestic)2309109

6 details filled in for both companies.

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