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PromptBrake vs 99tests

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

PromptBrake compared with 99tests
DetailPromptBrake logo PromptBrake 99tests
What it doesAutomated AI security testing for chatbots, agents, and APIs 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 inNot given IN
Pricing modelFreemium Paid
PricingFree trial: 3 scans over 7 days. $99 USD once for 5 scans valid 30 days (no renewal). $499/month for 30 scans per billing month and one active runner license (month-to-month). 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
  • 138 automated checks across 18 attack categories
  • API endpoint and web chatbot testing
  • Self-hosted Docker runner
  • Evidence exports and Baseline Diff
  • CI/CD release gate automation
  • Findings with evidence, business impact, and remediation guidance
  • Behavioral regression detection
  • 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
  • Built by an application-security practitioner with GWEB certification
  • Compare test results with Baseline Diff to verify fixes
  • 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)31 no change since last check27 no change since last check
Trust Flow (Majestic)129
Citation Flow (Majestic)2932
Referring domains (Majestic)46109

5 details filled in for both companies.

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