WorthScan AI Stone & Coin Worth AI
Stone & Coin Worth AI

Scan stones. Identify coins.
Explore stone value context and coin significance.

Use AI-assisted photo analysis to explore rocks, minerals, crystals, and coins — with evidence, confidence, and uncertainty shown clearly.

Download on the App Store Get it on Google Play
Explore both scanners See plans

A helpful starting point for research — not a professional appraisal, grading service, or laboratory identification.

Stone and Coin Worth AI app icon combining a blue gemstone and a gold coin
Stone Scanner
Coin Scanner
Two scanners. One app.

A focused path for every find

Choose the scanner that matches what you found. Each one is designed around the visible evidence that matters for that collectible.

Gold coin artwork for Coin Scanner
Coin Scanner

Look closer at every detail

Use both sides of a coin to investigate its identity and significance.

Explore Coin Scanner
Try Interactive Demo
Stone Scanner blue gemstone symbol
Stone Scanner

More context for the stone in your hand

Photograph a rock, mineral, or crystal to explore what it may be and why the visible details point in that direction.

  • Likely identityPossible matches supported by visible characteristics.
  • What to compareColor, texture, luster, pattern, and form.
  • Educational and value contextCautious guidance for researching your find.

Visual analysis cannot replace laboratory testing or a professional gemstone appraisal.

Coin Scanner gold coin symbol
Coin Scanner

Two sides tell a better story

Front and back photos provide visible evidence to identify the coin, estimate its condition, and explain its collector significance.

Front + back photosIdentity + conditionCollector significance
CountryDenominationYear / issue dateMint markType / seriesEstimated conditionCollector significanceCOMMONCOLLECTIBLESCARCEEXPERT REVIEW

EXPERT REVIEW means the coin may have characteristics that should be examined by a qualified specialist.

How it works

From a clear photo to a clearer next step

  1. 01

    Choose your scanner

    Select Stone or Coin in the same app.

  2. 02

    Take clear photos

    Photograph the specimen clearly, or capture both the front and back of a coin.

  3. 03

    Review your result

    See a stone's identity, characteristics, and possible value context, or a coin's identity, estimated condition, collector significance, and classification.

Results you can understand

See what the result knows — and what it does not

The result separates direct observations from interpretation and published information.

Read

Visible directly in the photo.

Inferred

Derived from design or other visible evidence.

Reference

Published catalog or specification information.

Visual assessment

Photo-based interpretation only, not independently verified.

Confidence & uncertainty

Shows where the evidence is stronger and where caution is appropriate.

Stone education · Natural materials

Learn to observe rocks, minerals, and crystals

Compare visible traits, understand what can affect value, and learn how better photos support more useful analysis.

01

Quartz vs. Calcite

Compare two common minerals that can look surprisingly similar.

Read guide → 02

Rock, Mineral, or Crystal?

A simple guide to understanding the difference.

Read guide → 03

What Affects Stone Value?

Color, clarity, rarity, size, condition, and more.

Read guide → 04

Photograph a Stone

Simple photo tips for more useful visual analysis.

Read guide →
View all stone guides
Coin education · Collector research

Learn how to read a coin's collector significance

Follow the evidence that matters: denomination, date, mint, type, condition, varieties, and collector context.

IdentifyEvaluate condition & evidenceRecognize special casesUnderstand collector context
01

Identify the coin

Resolve the exact issue from the visible clues on both sides before researching value.

Read coin guide → 02

Condition & production

Learn how wear, surfaces, metal, and the way a coin was made shape collector descriptions.

Read coin guide → 03

Errors, varieties & special issues

Separate documented mint-made differences from ordinary damage and unfamiliar designs.

Read coin guide → 04

Collector significance & context

Connect an exact issue to condition, rarity, demand, provenance, and classification.

Read coin guide →
View all coin guides

Identity comes before classification. A correct type is only the start: exact issue, condition, variety, composition, scarcity, and collector demand can all change the context.

Collector-significant examples

Coins where the exact details matter

These real photographed coins show why date, mint, variety, and condition must be resolved before discussing value. Collector interest does not guarantee that a similar-looking coin is rare or valuable.

Real auction sales · Documented history

Coins that made numismatic history

Exceptional auction results show why exact issue, condition, rarity, and provenance matter. They are historical collector context—not typical values or investment guidance.

Representative obverse of a 1794 Flowing Hair Dollar
1794 Flowing Hair Dollar$10,016,875Stack’s Bowers Galleries · 2013Verify sale ↗

Each price applies only to the specific specimen sold. Continue with the collector context guide to learn how rarity, grade, provenance, and demand affect significance.

Plans & scan allowances

Choose the room you need to explore

Every scan counts toward your total. Coin scans also use one Coin allowance; Stone scans use only one total scan.

Free
$0

Try the app with a few finds.

  • 3 total scans per period
  • Includes up to 1 Coin scan
Most flexible startStarter
$4.99 / month

For regular collecting and discovery.

  • 30 total scans per period
  • Includes up to 10 Coin scans
Plus
$9.99 / month

For active collectors with more finds.

  • 100 total scans per period
  • Includes up to 33 Coin scans

Need more total scans?

Scan Pack +20 is a $2.99 one-time purchase. It adds 20 total scans and does not add Coin allowance.

Starter and Plus are auto-renewing subscriptions that renew monthly until cancelled. Purchases are completed inside the iOS or Android app.

Download on the App Store Get it on Google Play
Important notes

A smart starting point, with honest limits

AI-assisted analysis can help you research a find, but it is not a professional appraisal, laboratory identification, authentication, or grading service.

What can affect a result

  • Photo quality and lighting
  • Wear or damage
  • Unusual variants
  • Incomplete visible evidence

When to verify

For potentially high-value stones or coins, seek professional verification. Valuable coins may also warrant professional authentication or grading.

Help & legal

Clear policies. Real support.

Find product help, account options, and the policies behind the app.

Stone & Coin SupportStone & Coin PrivacyStone & Coin TermsStone & Coin DisclaimerDelete Account & DataRefund Policy