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Lucid vs Unfix

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

Lucid compared with Unfix
DetailLucid logo LucidUnfix logo Unfix
What it doesEvidence-based credibility checks for links, screenshots, videos, and questions Independent verification for bug fixes in C, C++ and firmware
StageStartup MVP
FoundedNot given Not given
Based inNot given Not given
Pricing modelFreemium Not given
PricingFree: 2 credits to start, 1 credit per check, 1 credit back every 7 days. Unlimited: $9.99/month. Unlimited, yearly: $39.99/year. Credit pack: 5 credits for $1.99, 10 credits for $2.99, never expire. Not given
Key features
  • Check links, screenshots, and videos for credibility
  • Evidence-based verdicts on four-word color scales
  • Named source listings with links for verification
  • Available on mobile apps and web beta
  • Reproduces bugs deterministically on base version before applying fix
  • Verifies fix removal confirms bug returns
  • Scans diffs for masking patterns like disabled sanitizers and weakened tests
  • Runs on real hardware via STM32 NUCLEO boards and ST-Link
  • Integrates with AI coding agents as MCP tool
  • Posts verdicts as GitHub pull request comments
  • Provides per-test verdicts: FIXED, BROKEN, FLAKY ON THE BENCH, FLAKY WORSE
  • Runs entirely on your machines with no cloud dependency
  • Generates reports for change records and regulatory compliance
  • Runs builds and tests in Linux container on your machine
What makes it different
  • Returns single-word verdicts instead of percentages or unclear ratings
  • Detects AI-generated content and acknowledges when detection is inconclusive
  • Share directly from any app without opening Lucid
  • All features available in free plan with limited credits
  • Only verification tool that reverses the fix to prove tests actually catch the bug
  • Deterministic verdict with no AI language model in decision logic
  • Tests on real hardware boards, not just laptops
  • Detects masking techniques that hide bugs while passing tests
  • Validated public benchmark showing 4 VERIFIED and 6 REJECTED on real open-source bugs
Community votes00
DR (Domain Rating by Ahrefs)7 +1 (up) since last checkNot checked yet no change since last check
Trust Flow (Majestic)70
Citation Flow (Majestic)180
Referring domains (Majestic)200

4 details filled in for both companies.

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