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Best Conversion Calculator Plus Apps

218+ iOS apps curated and reviewed

4.6 avg rating
20 free apps
Updated May 2026

Whether you're new to conversion calculator plus or looking for an upgrade, our curated collection of 218+ iOS apps has something for everyone. Each app is reviewed and rated by real users, helping you make an informed decision.

Top Picks for Conversion Calculator Plus

Unit Converter - Best Unit App#1

Unit Converter - Best Unit App by Alan Mrvica

Convert All Units and Currency
Editor's Choice
✈️ Travel
4.8😊(172K ratings)
FreeAdsIn-App Purchases
Unit Converter - Best Unit App screenshot 1
Unit Converter - Best Unit App screenshot 2
Unit Converter - Best Unit App screenshot 3
Unit Converter - Best Unit App screenshot 4
Unit Converter - Best Unit App screenshot 5
Unit Converter - Best Unit App screenshot 6

A free unit converter app optimized for iPhone and iPad, featuring 12 categories for converting various units including area, currency, data, length, and more. Includes daily currency updates for 155 world currencies and is designed for easy use. Download now for quick and accurate unit conversions.

What We Love

  • 🚀 Easy to use
  • 👍 Comprehensive conversions
  • 💡 Useful for travel and cooking
  • 🚀 Quick and efficient

Room to Improve

  • 🐛 Limited character input
  • 🐛 Difficulty with negative numbers
  • 💡 Lack of ability to quickly switch between conversions
Conversion Calculator Plus#2

Conversion Calculator Plus by Yan Liong Tan

Unit Converter
Strong Contender
📊 Productivity
4.7😞(15K ratings)
FreeAdsIn-App Purchases
Conversion Calculator Plus screenshot 1
Conversion Calculator Plus screenshot 2
Conversion Calculator Plus screenshot 3
Conversion Calculator Plus screenshot 4
Conversion Calculator Plus screenshot 5
Conversion Calculator Plus screenshot 6

"Explore the ultimate Unit Converter tool with Conversion Calculator Plus – your go-to Swiss army knife for effortless unit conversions. Simplify complex calculations and streamline your work effortlessly."

What We Love

  • 🚀 Great app
  • 👍 Easy to use
  • 🚀 Comprehensive conversions
  • 👍 Intuitive interface

Room to Improve

  • 🐛 Consent required for tracking
  • 🐛 Update problems
  • 🐛 Currency not updating
Conversion Calculator !#3

Conversion Calculator ! by oWorld Software

Currency, Temperature, Length
Worth Considering
📊 Productivity
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 units of measurement with this user-friendly app. Say goodbye to complex calculations and simplify your unit conversions today!

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

More Conversion Calculator Plus apps to explore

4
Currency converter calculator!
Currency converter calculator!
Currency converter calculator!
Exchange rates USD
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A currency converter application that offers exchange rates for all world currencies, works offline, provides hourly updates, allows customization of exchange rates, includes cryptocurrency rates, and features an embedded calculator. Users can opt for an ad-free experience with a $3 annual Premium subscription. Available on iOS and macOS. Terms of Use and Privacy Policy can be viewed at the provided links.

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5
Currency Converter Plus
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Currency Converter Plus is a premium class currency converter with 171 currencies, including rates for precious metals, offline functionality, and a unique "PLUS function" for calculating change in dual-currency situations. Its user-friendly design features a big keyboard, high contrast layout, and online rate updates. For support or feedback, contact info@kaspre.com.

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Experience quick and accurate currency exchanges with our versatile Currency Converter Calculator app. Access live exchange rates offline, enjoy a user-friendly interface, and benefit from multi-currency support for personal and professional use. Simplify your financial transactions and stay updated on currency fluctuations. Download now for precise conversions at your fingertips!

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8
Converter+ (Units, Currencies)
Converter+ (Units, Currencies)
Converter+ (Units, Currencies)
Unit and Currency Converter
Free

Unit and Currency Converter: Access a comprehensive unit conversion tool featuring a wide range of currencies and units across various categories. Perform calculations with calculators for everyday needs, edit templates, and download user-contributed templates. Keep up-to-date with automatic currency exchange rate updates every 6 hours.

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Calculator₊
Calculator₊
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Try Calculator₊, the ultimate mathematics tool offering basic, scientific, and plus calculations. Ideal for homework, exams, and managing expenses, this app is like having a personal math tutor on your phone. Download now for easy and intuitive math solutions!

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Calculator with History +
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A calculator app with a built-in history feature that keeps track of your calculations without any ads. Calculate effortlessly and access your past computations instantly.

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11
Calculator +
Calculator +
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Experience the award-winning calculator app for iPad and iPhone, offering a free basic and scientific calculator with an elegant design, simple usability, and beautiful interface. Calculate with ease and precision today!

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Calculator⁼
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A handy math assistant for solving basic and scientific calculations intuitively and quickly. Become a math master with this free app!

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Unit Converter, 50+ Calculator
Unit Converter, 50+ Calculator
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All in one Unit Calculator
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This all-in-one unit converter and calculator app offers over 45 converters and calculators for various units, including length, weight, temperature, currency, and more, making it a comprehensive tool for all your conversion needs. Download the app to easily convert units and perform calculations in a single, user-friendly interface.

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ClevCalc - Calculator
ClevCalc - Calculator
ClevCalc - Calculator
All-In-One Calculator
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A comprehensive all-in-one calculator app with features like scientific calculator, unit converter, currency converter, percentage calculator, and more for everyday use. It provides a wide range of calculation tools from basic arithmetic to complex conversions and financial calculations. Try it out now for convenient and efficient calculations!

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15
Calculator·
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A simple and intuitive calculator app with essential functions like addition, subtraction, multiplication, and more. Customize with multiple color schemes, copy results easily, and use additional functions on iPad. Experience the perfect balance of features and simplicity today!

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Unit Converter: Mila's Tools
Unit Converter: Mila's Tools
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Experience quick and easy unit conversions with a free, fast, and elegant calculator tool from Mila's Tools. Convert various units such as Area, Bits, Bytes, Length, Temperature, and more effortlessly. Try it out now for hassle-free conversions!

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Calculator: Pro
Calculator: Pro
Calculator: Pro
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A powerful calculator app optimized for iPad, featuring advanced functions and a user-friendly interface for efficient mathematical calculations on-the-go. Enhance your productivity and accuracy with Calculator: Pro.

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18
Calculator HD++
Calculator HD++
Calculator HD++
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Experience a high precision calculator app that offers a user-friendly interface, supports multiple functionalities like undo, switching workspaces, Bluetooth keyboard compatibility, and more. Print and share your calculations with ease and precision for free!

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Calculator+ - Unit Conversion
Calculator+ - Unit Conversion
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Advanced Calculator Utility
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This advanced calculator utility offers a wide range of tools for everyday calculations, from simple math to complex scientific equations, as well as various conversion features and specialized calculators for tasks like tracking BMI, investments, and loan payments. Download now and experience a customizable, ad-free, and user-friendly interface for all your calculation needs.

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Currency Converter Plus Live
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Currency Converter Plus Live is the ultimate tool for global travelers, offering instant currency conversion, historic rate charts, and a built-in calculator. Compare prices and get the best deals with live exchange rates and even use it offline.

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