Rock Identify vs Unium™

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 Unium™
Detail	Rock Identify	Unium™
What it does	Free online rock identifier by photo	Shared AI chat for couples, friends and family
Stage	Not given	Not given
Founded	Not given	Not given
Based in	Not given	GB
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 for 2 days (includes Balanced model, memory, voice notes and images, up to 5 people, no card needed). Together $10/month with balanced model, memory, voice notes, image generation, and extended model choice. Together Plus $20/month includes up to 2.2× the usage of Together. Household $40/month
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	Shared chats where multiple people can join the same conversation Switch between AI models without losing context Memory across chats Voice notes and image generation Private chats alongside shared ones Web search integration Add up to 10 people to one subscription Available on iPhone, Android and web Access to multiple AI models including GPT-6 and Claude Opus 5.5 No data training on user conversations
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	Multiple people in one chat instead of separate conversations One subscription covers everyone on the account with no additional charges Switch AI models without losing memory or context AI facilitates discussion by asking both perspectives before suggesting compromises Chats are shared by default but can be made private
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	20 +3 (up) since last check
Trust Flow (Majestic)	15	0
Citation Flow (Majestic)	25	9
Referring domains (Majestic)	20	2

5 details filled in for both companies.

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