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Rock Identify vs Jev Knows

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

Rock Identify compared with Jev Knows
DetailRock Identify logo Rock IdentifyJev Knows logo Jev Knows
What it doesFree online rock identifier by photo Yes-or-no answers for hard decisions based on human experience
StageNot given Not given
FoundedNot given Not given
Based inNot given US
Pricing modelFreemium Free
PricingFree plan: 3 identifications and 1 follow-up per day, basic value range, up to 200 saved specimens when signed in. Plus plan: $2.50 per month billed yearly ($29.99 annually) or $9.99 per month billed monthly; 100 requests a day shared across identifications and follow-ups, detailed price analysis, m Free with up to 10 questions per day for anonymous users; no paid plans mentioned.
Key features
  • Upload 1-3 photos of the same rock from different angles
  • AI-powered photo analysis to suggest rock matches
  • View visible clues, limitations and possible alternatives for each match
  • Follow-up questions about lookalikes and properties
  • Save photos, results and conversations to an account
  • Browse reference links to educational resources for suggested matches
  • Track daily identification allowance remaining
  • Price analysis and estimated value range for specimens
  • Scores decisions on six factors: goal fit, downside management, reversibility, timing, information sufficiency, and opportunity cost
  • Shows percentage lean toward yes or no with reasoning
  • Add context and re-ask up to five times to compare reads
  • Private by default, optional sharing with generated links
  • Free up to 10 questions per day without account required
  • Browser-based, no app installation needed
What makes it different
  • No sign-up or app download required to start identifying rocks
  • Photo-based identification with transparent uncertainty acknowledgment
  • Works on any device with a browser and internet connection
  • Mobile-friendly with camera option where supported
  • All photo tools share the same subscription and daily allowance
  • Uses human experience and written wisdom instead of generic advice
  • Emphasizes user choice and personal judgment over algorithmic decision-making
  • Completely free with no paywall or premium tiers
Free planNot given Not given
Open sourceNot given Not given
PlatformsNot given Not given
Public APINot given Not given
Community votes00
DR (Domain Rating by Ahrefs)15 −1 (down) since last check10 −1 (down) since last check
Trust Flow (Majestic)151
Citation Flow (Majestic)2518
Referring domains (Majestic)204

5 details filled in for both companies.

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