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Best Coin Conversion Apps

220+ iOS apps curated and reviewed

4.5 avg rating
20 free apps
Updated July 2026

With an average user rating of 4.5★, the coin conversion category is one of the App Store's strongest. Browse all 220+ apps we track, sorted so the most loved ones surface first.

Compare top Coin Conversion Apps (July 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Greysheet: Rare Coin PricingGreysheet: Rare Coin PricingFree4.7★ (3.7K)YesNoJul 2026
2Crypto Converter: Live PricesCrypto Converter: Live PricesFree4.5★ (256)YesYesMay 2026
3CoinSnap: Coin IdentifierCoinSnap: Coin IdentifierFree4.7★ (289K)NoYesJul 2026
4CoinKnow: Coin IdentifierCoinKnow: Coin IdentifierFree4.4★ (1.2K)NoYesJul 2026
5CoinIn: Coin Scan IdentifierCoinIn: Coin Scan IdentifierFree4.7★ (95K)NoYesJul 2026
6Coin Value Identifier: CoinzoCoin Value Identifier: CoinzoFree4.7★ (33)NoYesJul 2026
7ChatCoin: Coin IdentifierChatCoin: Coin IdentifierFree4.5★ (1.3K)NoYesJul 2026
8Coin Identifier - CoinCheckCoin Identifier - CoinCheckFree4.5★ (12K)YesYesJul 2026

Top Picks for Coin Conversion

Greysheet: Rare Coin Pricing#1

Greysheet: Rare Coin Pricing by CDN Publishing, LLC

Rare Coin & Bank Note Pricing
Editor's Choice
🔍 Reference
4.7😐(3.7K ratings)
FreeAds
Greysheet: Rare Coin Pricing screenshot 1
Greysheet: Rare Coin Pricing screenshot 2
Greysheet: Rare Coin Pricing screenshot 3
Greysheet: Rare Coin Pricing screenshot 4
Greysheet: Rare Coin Pricing screenshot 5
Greysheet: Rare Coin Pricing screenshot 6

Access industry-standard pricing and catalog data for rare coins and currency. Get hourly updates on wholesale and retail prices, auction records, and high-resolution images for U.S. and world numismatic items. Essential tools for collectors and dealers.

What We Love

  • 💵 Most valuable tool
  • 🔍 Best app to see coin worth
  • 🗓️ Indispensable for all coin collectors
  • 📚 Outstanding tool for collectible coins and paper money

Room to Improve

  • 🖼️ Tiny pictures, tiny value
  • 🚫 0 customer support
  • 🔒 Impossible to log in
Crypto Converter: Live Prices#2

Crypto Converter: Live Prices by RTC Holdings Incorporated

Bitcoin & Altcoin Calculator
Strong Contender
💰 Finance
4.5(256 ratings)
FreeAdsIn-App Purchases
Crypto Converter: Live Prices screenshot 1
Crypto Converter: Live Prices screenshot 2
Crypto Converter: Live Prices screenshot 3
Crypto Converter: Live Prices screenshot 4
Crypto Converter: Live Prices screenshot 5

Easily convert between over 1750 cryptocurrencies and fiat currencies in real-time. This tool provides up-to-date exchange rates from major exchanges, making investment and trading decisions simpler. Switch between crypto-fiat, fiat-crypto, and crypto-crypto conversions effortlessly with a clean and fast interface.

CoinSnap: Coin Identifier#3

CoinSnap: Coin Identifier by Next Vision Limited

Value Guide & Collection
Worth Considering
🔍 Reference
4.7😐(289K ratings)
FreeIn-App Purchases
#6in Reference
CoinSnap: Coin Identifier screenshot 1
CoinSnap: Coin Identifier screenshot 2
CoinSnap: Coin Identifier screenshot 3
CoinSnap: Coin Identifier screenshot 4
CoinSnap: Coin Identifier screenshot 5
CoinSnap: Coin Identifier screenshot 6

Identify coins instantly with AI-powered recognition and a vast database. Explore detailed information, check values, and manage your collection. Perfect for hobbyists and collectors seeking to understand their numismatic treasures.

What We Love

  • 🚀 Easy to use
  • 🔍 Accurate coin identification
  • 📚 Provides coin details and history
  • 🗃️ Ability to catalog coin collection

Room to Improve

  • 🤑 Subscription required for full features
  • 🔍 Inaccurate or incomplete coin identification
  • 💲 Unreliable coin value estimates

More Coin Conversion apps to explore

4
CoinKnow: Coin Identifier
CoinKnow: Coin Identifier
CoinKnow: Coin Identifier
coin value checker & scanner
Free

Identify and assess the value of your coins with advanced scanning technology. Get instant market value estimates, grading recommendations, and detailed error analysis from a single photo. Manage your collection and discover hidden treasures.

Accurate coin scanningCopper designation detectionProof finish recognition
🔧 Utilities
(1.2K)
free with in-app purchases
5
CoinIn: Coin Scan Identifier
CoinIn: Coin Scan Identifier
CoinIn: Coin Scan Identifier
Search, Collect & Value Coins
Free

Instantly identify coins with a photo, accessing detailed historical information and estimated values. Organize your collection, track trends, and connect with buyers and sellers. Makes coin collecting accessible and potentially profitable.

Identify coins with a photoAccess coin history and valueRecognize rare and foreign coins
🔍 Reference
(95K)
subscription
6
Coin Value Identifier: Coinzo
Coin Value Identifier: Coinzo
Coin Value Identifier: Coinzo
Coin Scanner, Grade, Collect
Free

Instantly identify and value coins using AI and a numismatic database. Manage your collection, detect errors, and learn about coin history and grading.

AI coin identificationReal-time market valuationCollection inventory management
🌟 Lifestyle
(33)
free with in-app purchases
7
ChatCoin: Coin Identifier
ChatCoin: Coin Identifier
ChatCoin: Coin Identifier
Identify, Value & Collect
Free

This app uses AI to identify and value coins from around the world. It provides real-time market tracking, detailed coin information, and tools for managing your personal collection. Discover rare coins and understand their market worth.

AI-powered coin identificationReal-time market price trackingProfessional coin encyclopedia
🔍 Reference
(1.3K)
subscription
8
Coin Identifier - CoinCheck
Coin Identifier - CoinCheck
Coin Identifier - CoinCheck
Scan & Identify Coin Value
Free

Instantly identify coins by taking a photo or uploading an image. Get detailed information, estimated market value, and track your collection. Perfect for coin enthusiasts of all levels.

AI coin recognitionEstimate coin valueIdentify rare coins
🔍 Reference
(12K)
free with in-app purchases
9
Currency Converter ‧
Currency Converter ‧
Currency Converter ‧
Money conversion exchange rate
Free

Easily convert money between over 160 currencies with real-time exchange rates, even offline. Track historical data and use built-in calculator functions for seamless travel finances.

Currency conversionOffline modeHistorical charts
✈️ Travel
(4K)
free with in-app purchases
10
Coin Scanner: Value Checker
Coin Scanner: Value Checker
Coin Scanner: Value Checker
Coin Scan & Identify
Free

Identify any coin instantly using AI-powered image recognition. Simply take or upload a photo to get detailed information, including origin, year, and population. The app also offers coin grading, price estimation, and collection management tools.

AI coin identificationCoin gradingPrice estimation
🔍 Reference
(1.9K)
free with in-app purchases
11
Coin Value Checker: CoinHix
Coin Value Checker: CoinHix
Coin Value Checker: CoinHix
by VISIGEN PTE. LTD.
Free

Identify and value your coin collection instantly with AI-powered image recognition. Get real-time market values, estimate coin grades, and manage your entire collection with detailed records and historical price charts.

Instant coin identification via photoReal-time market value estimatesCoin grade estimation assistant
🔍 Reference
(703)
freemium
12
Coin Identifier - Coin Value
Coin Identifier - Coin Value
Coin Identifier - Coin Value
Coin Scanner Identify Coins
Free

Easily identify coins from around the world by simply taking a picture. Access a vast database for instant information on year, value, and history. It's a free and user-friendly tool for collectors and enthusiasts alike.

Identify coins worldwide via photoDetailed coin information (year, value, history)Save search results
💰 Finance
(932)
free with in-app purchases
13
Metric Conversion tool
Metric Conversion tool
Metric Conversion tool
Unit and currency converter
Free

This app provides a comprehensive unit and currency converter with a user-friendly interface. It offers offline functionality, supports over 30,000 unit conversions, and includes more than 160 currencies with live exchange rates. Users can save favorite conversions and get precise results.

Offline functionalityOver 30,000 unit conversions160+ currencies with live rates
🔍 Reference
(15K)
free
14
AI CoinScan: Coin ID & Value
AI CoinScan: Coin ID & Value
AI CoinScan: Coin ID & Value
Instant Coin Identification
Free

Instantly identify coins from around the world using advanced AI technology. Get detailed information on year, rarity, and designer for any coin. Perfect for collectors and enthusiasts looking to learn more about their numismatic treasures.

AI-powered coin recognitionDetailed coin information (year, rarity, designer)Global coin database
🔍 Reference
(393)
freemium
15
Convert Any Unit Lite
Convert Any Unit Lite
Convert Any Unit Lite
Units & Currency Converter
Free

Quickly convert between thousands of units with an intelligent search and autocomplete feature. This app offers a streamlined interface, an integrated calculator, and the ability to save favorite conversions. It supports over 6,400 units across 51 categories, making it a comprehensive tool for all your conversion needs.

Intelligent unit search with autocompleteAutomatic category selectionIntegrated calculator
✈️ Travel
(47K)
ad-supported
16
CalConvert: Currency Converter
CalConvert: Currency Converter
CalConvert: Currency Converter
Calculator & Unit Conversion $
Free

This app offers advanced scientific calculation and comprehensive currency and unit conversion. It supports a wide range of measurements, global currencies, and includes features like history logs and home screen widgets for quick access.

Advanced scientific calculatorCurrency exchange ratesUnit conversions (27+ categories)
✈️ Travel
(6.4K)
free with in-app purchases
17
Coin Scanner & Value Checker
Coin Scanner & Value Checker
Coin Scanner & Value Checker
Identify coins & check values
Free

Instantly identify coins by snapping a photo. Get detailed information on value, rarity, and market trends. Explore numismatic history and learn with expert articles and an AI chatbot.

AI coin identificationCoin value lookupDetailed coin specifications
🔧 Utilities
(1.3K)
free with in-app purchases
18
Coinoscope: visual coin search
Coinoscope: visual coin search
Coinoscope: visual coin search
Identify coins by image
Free

Instantly identify coins using your camera. This app helps collectors and hobbyists recognize coins, learn their history, and organize their collections. Simply take a photo to get detailed information and estimated values.

Instant coin identification via cameraDetect coin issue yearEstimate coin value
🔍 Reference
(127)
free with in-app purchases
19
CoinCurio: Coin Scanner
CoinCurio: Coin Scanner
CoinCurio: Coin Scanner
Coin identifier, Value Scanner
Free

Identify coins instantly using AI-powered image recognition. Get detailed information, determine coin value, and organize your entire collection within the app. Perfect for hobbyists and aspiring numismatists.

AI coin identificationCoin information lookupValue determination
🔍 Reference
(745)
free with in-app purchases
20
My Currency Converter & Rates
My Currency Converter & Rates
My Currency Converter & Rates
Exchange Rates & Converter
Free

Easily convert currencies with real-time exchange rates for over 150 global currencies, including cryptocurrencies. This app offers a simple interface and offline functionality, making it ideal for travelers. Exchange rates update automatically, and conversions happen as you type.

150+ currencies supportedCryptocurrency support (Bitcoin, Litecoin, Dogecoin)Offline functionality
✈️ Travel
(126K)
ad-supported

FAQ about Coin Conversion

What are the best coin conversion apps for iPhone?
Greysheet: Rare Coin Pricing tops our coin conversion apps ranking as of July 2026, with a 4.7-star average from 3.7K App Store ratings, and it's free to download.
Yes — 20 of the top coin conversion apps we rank are free to download, including Greysheet: Rare Coin Pricing and Crypto Converter: Live Prices.
Greysheet: Rare Coin Pricing shows ads and has no in-app purchases, according to its App Store listing as of July 2026.
We track 220+ coin conversion apps on the iOS App Store as of July 2026, ranked by rating, recency, and analysis of real user reviews.
The Greysheet app provides industry-standard pricing and catalog data for rare coins and currency. It offers professional-level pricing and research tools, including wholesale and retail prices, auction records, and high-resolution images for U.S. and world numismatic items.
The app offers over 1 million wholesale and retail prices for U.S. coins, world coins, and U.S. paper money. It also includes prices realized from over 2.5 million auction records from major auction houses, updated hourly for accuracy.