AI-powered BaZi calculator with true solar time correction and Chinese metaphysics readings
Free online rock identifier by photo
Stage
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Founded
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Based in
US
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Pricing model
Freemium
Freemium
Pricing
Not given
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
Key features
True solar time correction with longitude and equation of time
Historical daylight saving time rules for 124 countries
Automatic detection of ambiguous and non-existent times
Recognition of 57 symbolic stars verified against reference charts
25 chart pattern classifications including regular and advanced structures
Luck Pillar calculation precise to the hour and starting date
Support for multiple calendar systems and zi-hour conventions
Ten relationship types including marriage, business and family
Support for English, Simplified Chinese, Traditional Chinese, Japanese and Korean
AI-powered interpretation of charts and follow-up questions
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
What makes it different
Deterministic rule engine ensures identical charts from same birth data every time
True solar time correction standard in free charts, not just paid upgrades
86 automated test cases for time handling and historical DST windows
Charts automatically update after algorithm upgrades without re-entry
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
FateMaster
Rock Identify