Rock Identify vs Ace

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 Ace
Detail	Rock Identify	Ace
What it does	Free online rock identifier by photo	Voice AI assistant that lives on your computer and phone to help with screen explanations, writing, notes and study tools
Stage	Not given	Not given
Founded	Not given	Not given
Based in	Not given	US
Pricing model	Freemium	Freemium
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 Play: 2,000 free credits with no card required. Pay as you go: $10 for 5,000 credits or $50 for 20,000 credits. Pocket Pair: $30/month for 10,000 credits monthly. Full House: $50/month for 30,000 credits monthly with $25 refill option for 10,000 credits. High Roller: $100/month for 60,000 credi
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	Screen understanding: explain visible questions and documents Writing assistance in apps you already use like Google Docs Cross-device synchronization: Mac, Windows, Linux, web and mobile Stealth mode for private work on your own machine Ace Mobile app for connecting iPhone to Mac
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	Voice-first interface: hold a key and speak naturally instead of typing Sees your screen when you ask: understands context from what's visible to help Works in apps you already use without switching context One account for computer, phone and web with shared credits
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	50 +6 (up) since last check
Trust Flow (Majestic)	15	1
Citation Flow (Majestic)	25	42
Referring domains (Majestic)	20	49

5 details filled in for both companies.

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