Best Conversion Calculator Countries Apps

240+ iOS apps curated and reviewed

4.6 avg rating
20 free apps
Updated August 2026

Whether you're new to conversion calculator countries or looking for an upgrade, our curated collection of 240+ iOS apps has something for everyone. Each app is reviewed and rated by real users, helping you make an informed decision.

Compare top Conversion Calculator Countries Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Metric Conversion toolMetric Conversion toolFree4.8★ (15K)NoNoSep 2026
2Corbyn Running Calculator - A run time calculatorCorbyn Running Calculator - A run time calculatorFree5.0★ (2)NoNoMay 2026
3Conversion Calculator - MetricConversion Calculator - MetricFree4.8★ (157)NoYesSep 2026
4Unit Converter - Best Unit AppUnit Converter - Best Unit AppFree4.8★ (193K)YesYesSep 2026
5Runner's Calculator, ConverterRunner's Calculator, ConverterFree4.8★ (47)NoNoAug 2026
6Unit Converter - Convert allUnit Converter - Convert allFree4.6★ (13K)YesYesSep 2026
7Pace: Running Pace CalculatorPace: Running Pace CalculatorFree4.7★ (379)YesYesSep 2026
8RunCalc: Altitude & PaceRunCalc: Altitude & PaceFree5.0★ (16)NoNoMay 2026

Top Picks for Conversion Calculator Countries

Metric Conversion tool#1

Metric Conversion tool by Wight Hat

Unit and currency converter
Editor's Choice
🔍 Reference
4.8😐(15K ratings)
Free
Metric Conversion tool screenshot 1
Metric Conversion tool screenshot 2
Metric Conversion tool screenshot 3
Metric Conversion tool screenshot 4
Metric Conversion tool screenshot 5

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.

What We Love

  • 💡 Useful conversion tool
  • 👍 Easy to use and navigate
  • 🚀 Quick and efficient
  • 👍 Comprehensive coverage of conversions

Room to Improve

  • 🔊 Intrusive and loud ads
  • 🔒 Questionable privacy practices
  • 🐛 Inaccurate conversions
  • 👎 Disruptive to workflow
Conversion Calculator - Metric#3

Conversion Calculator - Metric by Collins Cheruiyot

Unit Converter & Measurements
Worth Considering
🔧 Utilities
4.8(157 ratings)
FreeIn-App Purchases
Conversion Calculator - Metric screenshot 1
Conversion Calculator - Metric screenshot 2
Conversion Calculator - Metric screenshot 3
Conversion Calculator - Metric screenshot 4
Conversion Calculator - Metric screenshot 5

Easily convert between metric and imperial units for weight, length, temperature, area, and time. This app offers precise, fast results with a clean interface, working offline for daily, travel, school, or work needs.

More Conversion Calculator Countries apps to explore

FAQ about Conversion Calculator Countries

What are the best conversion calculator countries apps for iPhone?
Metric Conversion tool tops our conversion calculator countries apps ranking as of August 2026, with a 4.8-star average from 15K App Store ratings, and it's free to download.
Yes — 20 of the top conversion calculator countries apps we rank are free to download, including Metric Conversion tool and Corbyn Running Calculator - A run time calculator.
Metric Conversion tool has no ads and has no in-app purchases, according to its App Store listing as of August 2026.
We track 240+ conversion calculator countries apps on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.
The app is a comprehensive unit and currency converter. It allows users to convert between a vast number of units, including weight, temperature, length, area, volume, speed, time, angle, pressure, and currency. It aims to provide accurate conversion results with a user-friendly interface.
Key features include an easy-to-use interface, offline functionality, support for over 30,000 unit conversions, and over 160 currencies with live exchange rates. It also allows users to store favorite conversions for quick access and provides answers in fractions where needed, with results up to 5 decimal places.