01
Find a likely match
AI compares visible details across both sides—from dates and inscriptions to portraits, symbols, and denomination.
AI coin scanner for iPhone
Know what your coin is—and what it may be worth.
Scan one coin—or work through a whole collection in one session. Nummio helps you identify each coin, compare estimated value and rarity, and find the pieces worth a closer look.
Available for iPhone · Results are research guidance, not professional appraisal.
Single Coin ScanCapture both sides for a stronger match
Collection ScanAnalyze multiple coins in one session
Less guessing. Better collecting.
From mystery coin to useful answers.
Nummio turns two quick photos into a clear starting point for researching, comparing, and organizing your coins.
02
Understand what matters
See key facts, rarity context, and an estimated market-value range in one scannable result.
03
Scan a whole collection
Capture multiple coins in one continuous session, analyze them together, and review the batch without restarting for every coin.
Three simple steps
Point. Flip. Discover.
Clear photos make the difference. Nummio guides you through both sides, then brings the most useful details into one result.
1
Choose one coin
Use a simple background and even light. Avoid harsh reflections.
2
Capture both sides
Center the front, then flip the coin and photograph the reverse.
3
Explore the result
Review the likely match, value guidance, rarity context, and details.
RarityAt a glance
Your findsSaved together
Collection Scan
Review the collection. Find what deserves a closer look.
Inherited a box of coins or sorting through years of finds? Scan multiple coins in one session, then review their likely identity, rarity, and estimated value together to spot the pieces that may be worth investigating further.
- Capture front and reverse for each coin in one flow
- See the collection’s combined estimated value
- Keep promising coins and skip the rest as you review
- Open any coin for complete identification details
Recent findings
Freshly scanned with Nummio.
See the kinds of coins collectors are exploring—from everyday finds to pieces that deserve a closer look.
Finding 1 of 8
How does Nummio identify a coin?
Nummio analyzes photos of both sides and uses visible details such as text, date, portrait, denomination, and reverse design to suggest a likely match.
Can I scan multiple coins in one session?
Yes. Collection Scan lets you capture the front and reverse of multiple coins in one continuous session. Nummio analyzes them together and prepares a collection review where you can compare estimated value and rarity, keep promising coins, and skip the rest. Collection Scan is a premium feature.
Are Nummio coin values appraisals?
No. Value information is an AI-assisted estimate for research. Condition, authenticity, grading, collector demand, and market timing can change what a coin actually sells for. For important decisions, consult a qualified numismatist or grading service.
How do I get a better scan?
Use even lighting, keep the coin sharp and centered, avoid glare, and capture both sides against a simple background.
Can I save coins to a collection?
Yes. Save useful scan results so you can revisit your coins and keep discoveries organized over time.
Do I need a subscription?
Nummio offers premium subscription options for unlimited scans and additional features. Current pricing and any available trial are shown in the app before purchase.
How do I manage or cancel a subscription?
Nummio subscriptions are managed through your Apple ID subscription settings. You can review or cancel your plan there.
Your next find starts here
There’s a story in every coin.
Scan yours with Nummio and find a useful place to begin.
Download on theApp Store