Rock Identify vs Clark Reads

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 Clark Reads
Detail	Rock Identify	Clark Reads
What it does	Free online rock identifier by photo	WhatsApp and iMessage chat analyzer that provides written reports with real quotes from your messages
Stage	Not given	Not given
Founded	Not given	Not given
Based in	Not given	Not given
Pricing model	Freemium	Free trial
Pricing	Free 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: opening and first half of chapter one. Full report: $9.90 one-time per report, no subscription.
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	Reads full conversation history in order Real quotes attached to every observation Supports WhatsApp .zip and .txt exports Supports plain-text iMessage files Media stripped before upload Handles up to 20k messages per report Reports available in multiple languages Automatic report delivery by email
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	Data never used to train AI models One-time payment with no subscription required
Free plan	Not given	Not given
Open source	Not given	Not given
Platforms	Not given	Not given
Public API	Not given	Not given
Community votes	0	0
DR (Domain Rating by Ahrefs)	15 −1 (down) since last check	12 +2 (up) since last check
Trust Flow (Majestic)	15	5
Citation Flow (Majestic)	25	17
Referring domains (Majestic)	20	11

5 details filled in for both companies.

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