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Best Conversion Calculator Free Currency Apps

221+ iOS apps curated and reviewed

4.7 avg rating
20 free apps
Updated July 2026

Currency is the household name in conversion calculator free currency, but it's far from the only option. We track 221+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.

Top Picks for Conversion Calculator Free Currency

Currency#1

Currency by Jeffrey Grossman

Offline currency converter
Editor's Choice
✈️ Travel
4.8😊(76K ratings)
FreeAdsIn-App Purchases
#97in Travel
Currency screenshot 1
Currency screenshot 2
Currency screenshot 3
Currency screenshot 4
Currency screenshot 5

This app offers an offline currency converter with up-to-date exchange rates for over 160 currencies. It's ideal for travelers needing to convert money abroad without an internet connection. An optional upgrade removes ads and unlocks all features.

What We Love

  • 💡 Offline currency conversion
  • 🚀 Fast and responsive
  • 👍 Easy to customize currency list
  • 👍 Useful for frequent travelers

Room to Improve

  • 🐛 Occasional app freezes or crashes
  • 🐛 Saved currencies reset after updates
  • 💰 Subscription model for premium features
Conversion Calculator !#2

Conversion Calculator ! by oWorld Software

Currency, Temperature, Length
Strong Contender
✈️ Travel
4.6😐(13K ratings)
FreeAdsIn-App Purchases
Conversion Calculator ! screenshot 1
Conversion Calculator ! screenshot 2
Conversion Calculator ! screenshot 3
Conversion Calculator ! screenshot 4
Conversion Calculator ! screenshot 5
Conversion Calculator ! screenshot 6

Easily convert between various units of measurement, including currencies, temperature, length, and weight. This intuitive tool provides real-time currency exchange rates and a comprehensive list of conversions for everyday use.

What We Love

  • 🚀 Easy to use
  • 🚀 Comprehensive unit conversions
  • 👍 Helpful app
  • 👍 Practical for engineering and mechanics

Room to Improve

  • 🔍 Too many ads
  • 🔍 Ads make the app unusable
  • 🔍 Ads are invasive and disrupt user experience
Money converter - Currency#3

Money converter - Currency by oWorld Software

Convert exchange rates
Worth Considering
✈️ Travel
4.6😐(2.4K ratings)
FreeAdsIn-App Purchases
Money converter - Currency screenshot 1
Money converter - Currency screenshot 2
Money converter - Currency screenshot 3
Money converter - Currency screenshot 4
Money converter - Currency screenshot 5
Money converter - Currency screenshot 6

Easily convert between over 170 currencies and cryptocurrencies, even without an internet connection. This app is ideal for travelers and business professionals needing to quickly check exchange rates and perform basic calculations.

What We Love

  • 🚀 Easy and helpful
  • 🚀 Quick and easy to understand and use
  • 🚀 Easily converts almost any currency
  • 🚀 Accurate and up-to-date

Room to Improve

  • 🔍 Too many ads and pop-ups
  • 🐛 Ads interfere with usage
  • 🐛 Ads render the app unusable

More Conversion Calculator Free Currency apps to explore

4
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
5
Currency Converter - Easy Calc
Currency Converter - Easy Calc
Currency Converter - Easy Calc
Currency converter & Exchange
Free

Convert multiple currencies quickly and accurately, even offline. Supports real-time exchange rates, crypto, and historical data. Includes widgets and Apple Watch support for on-the-go conversions.

Batch currency conversionOffline usabilityReal-time exchange rates
✈️ Travel
(427)
free with in-app purchases
6
Currency Converter Plus
Currency Converter Plus
Currency Converter Plus
Exchange rates calculator
Free

This app provides fast and accurate currency conversions for all global currencies, popular cryptocurrencies, and precious metals. It offers offline functionality, live rates, interactive charts, and historical data. An exclusive feature helps calculate payments in mixed currencies.

All world currencies with live ratesPopular cryptocurrencies supportPrecious metals rates
💰 Finance
(1.5K)
free with in-app purchases
7
Currency Foreign Exchange Rate
Currency Foreign Exchange Rate
Currency Foreign Exchange Rate
Unit Converter & Calculator $€
Free

Easily convert currencies with up-to-the-minute exchange rates. Ideal for travelers, it offers offline access, customizable rate modifications, and support for over 170 world currencies, including precious metals and Bitcoin. Features like home screen widgets and daily rate change tables enhance usability.

Real-time exchange ratesOffline access170+ world currencies
💰 Finance
(10K)
free with in-app purchases
8
Currency Converter Calculator•
Currency Converter Calculator•
Currency Converter Calculator•
Exchange Rate : Live & Offline
Free

Easily convert currencies with live and offline exchange rates. This tool is ideal for travelers and finance enthusiasts, offering accurate conversions for over 170 countries. Manage international expenses and stay updated on currency fluctuations.

Offline mode for access anywhereLive, real-time exchange ratesSupport for over 170 currencies
✈️ Travel
(393)
subscription
9
Conversion Calculator Plus
Conversion Calculator Plus
Conversion Calculator Plus
Unit Converter
Free

This app is a versatile unit and currency converter with a user-friendly interface. It supports a wide range of conversion categories, including real-world and crypto currencies, with automatic exchange rate updates. Customize your experience with design options, dark mode, and adjustable home screen layouts.

Unit and currency conversionSupports 160+ currencies (real & crypto)Automatic currency exchange rate updates
📊 Productivity
(15K)
free with in-app purchases
10
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
11
Currency Converter Plus Live
Currency Converter Plus Live
Currency Converter Plus Live
Money Exchange Rate＋Calculator
Free

Easily convert currencies with live, accurate exchange rates and a built-in calculator. Compare prices globally, view historical charts, and even use it offline. Supports all world currencies, Bitcoin, and precious metals.

Instant currency conversionBuilt-in calculatorHistoric rate charts
✈️ Travel
(4.8K)
free with in-app purchases
12
Converter+ (Units, Currencies)
Converter+ (Units, Currencies)
Converter+ (Units, Currencies)
Unit and Currency Converter
Free

This app offers a comprehensive unit and currency converter with a vast array of categories and calculators for everyday needs. It allows users to customize templates, download shared ones, and provides automatic exchange rate updates for 167 world currencies.

Extensive unit and currency conversionMultiple calculators (mortgage, loan, tip)Customizable and downloadable templates
📊 Productivity
(2.3K)
free with in-app purchases
13
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
14
Unit Converter - Best Unit App
Unit Converter - Best Unit App
Unit Converter - Best Unit App
Convert All Units and Currency
Free

Easily convert between a wide range of units across 20 categories, including length, weight, temperature, and more. Features live currency updates for 155 world currencies, refreshed daily. Designed for simplicity and visual appeal.

20 conversion categoriesLive currency updates155 world currencies
✈️ Travel
(172K)
free with in-app purchases
15
GlobeConvert Currency & Units
GlobeConvert Currency & Units
GlobeConvert Currency & Units
Convert Currency and Units
Free

Easily convert over 160 currencies and 350 physical units with real-time updates and offline capabilities. Create a favorites list for quick access to frequently used conversions and enjoy geo-based currency options. An ad-free version is available for purchase.

Real-time conversion160+ currencies supported350+ physical units supported
🔧 Utilities
(79K)
free with in-app purchases
16
Currency converter calculator!
Currency converter calculator!
Currency converter calculator!
Exchange rates USD
Free

This app provides real-time exchange rates for all world currencies, including cryptocurrencies, and functions offline. It features an embedded calculator, the ability to set custom rates, and updates hourly. An optional premium version removes ads and offers additional features.

All world currenciesOffline functionalityCryptocurrency support
✈️ Travel
(69K)
free with in-app purchases
17
Currency converter, widget
Currency converter, widget
Currency converter, widget
Money exchange rates, widget
Free

This app offers a smart and powerful currency converter with offline functionality. It supports 140 world currencies, cryptocurrencies, and includes features like camera-based price recognition and menu translation. Online support is available 24/7.

Offline currency conversion140+ world currenciesCryptocurrency support
🛍️ Shopping
(1.8K)
freemium
18
Money Converter +
Money Converter +
Money Converter +
Offline currency calculator
Free

This app helps travelers convert currencies, calculate tips, and track expenses offline. It supports over 150 world currencies and automatically detects local currency. Premium features offer unlimited expense tracking and custom exchange rates.

Offline currency conversion150+ world currenciesTip and discount calculator
✈️ Travel
(4.2K)
free with in-app purchases
19
Currency converter ·
Currency converter ·
Currency converter ·
Convert currencies
Free

Easily convert currencies from around the world with this reliable reference application. Calculate amounts across multiple currencies, view conversion history, and even convert offline. Ideal for travelers and international shoppers.

Convert currencies worldwideCalculate amounts in multiple currenciesView currency history
💰 Finance
(749)
freemium
20
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

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