Best Conversion Calculator Countries Apps

245+ iOS apps curated and reviewed

4.2 avg rating
19 free apps
Updated November 2026

Whether you're new to conversion calculator countries or looking for an upgrade, our curated collection of 245+ 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 (November 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Calculator: Basic & ScientificCalculator: Basic & ScientificFree4.6★ (207)YesYesNov 2026
2Conversion Calculator UnitsConversion Calculator UnitsFree4.7★ (5K)YesYesNov 2026
3Calculator: Unit ConverterCalculator: Unit ConverterFree5.0★ (1)YesNoAug 2026
4Calculator . - AI Math SolverCalculator . - AI Math SolverFree3.5★ (13)NoYesNov 2026
5Metric Conversion toolMetric Conversion toolFree4.8★ (15K)YesNoNov 2026
6Conversion: Unit ConverterConversion: Unit Converter$0.993.0★ (5)NoNoNov 2026
7Calculator: EasyCalcCalculator: EasyCalcFree4.5★ (24)YesYesNov 2026
8Super Calculator - useful toolSuper Calculator - useful toolFree3.0★ (2)NoYesNov 2026

Top Picks for Conversion Calculator Countries

4.6(207 ratings)
FreeAdsIn-App Purchases
Calculator: Basic & Scientific screenshot 1
Calculator: Basic & Scientific screenshot 2
Calculator: Basic & Scientific screenshot 3
Calculator: Basic & Scientific screenshot 4
Calculator: Basic & Scientific screenshot 5
Calculator: Basic & Scientific screenshot 6

This app offers a versatile calculator with basic, scientific, currency, and unit conversion functions. It provides a familiar interface for everyday math, advanced calculations, and quick conversions, with a history log for easy reference. Offline functionality and customizable themes enhance the user experience.

Conversion Calculator Units#2

Conversion Calculator Units by RV AppStudios LLC

Unit Conversion Calculator All
Strong Contender
🔧 Utilities
4.7😊(5K ratings)
FreeAdsIn-App Purchases
Conversion Calculator Units screenshot 1
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Conversion Calculator Units screenshot 5
Conversion Calculator Units screenshot 6

This app offers a simple and powerful way to convert between over 140 units across 12 categories. Easily switch between units, customize your experience with themes, and share your results.

What We Love

  • 👍 User-friendly
  • 🚀 Easy to use
  • 💡 Helpful for learning metric system
  • 👍 Great for conversions
  • 👍 Intuitive interface
  • 👍 Reliable and accurate

Room to Improve

  • 🐛 Ads disrupt usage
  • 🐛 Difficult to change units
  • 🐛 Lacks portrait mode
  • 🐛 Upside-down orientation issues
  • 🐛 Cluttered UI design
5.0(1 ratings)
FreeAds
Calculator: Unit Converter screenshot 1
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Calculator: Unit Converter screenshot 6

This utility app offers a comprehensive suite of calculation tools for everyday needs. It includes basic and scientific functions, unit and currency conversions, world time, health metrics, and GPA calculation. Customize your calculator experience with practical, easy-to-use features.

More Conversion Calculator Countries apps to explore

FAQ about Conversion Calculator Countries

What are the best conversion calculator countries apps for iPhone?
Calculator: Basic & Scientific tops our conversion calculator countries apps ranking as of November 2026, with a 4.6-star average from 207 App Store ratings, and it's free to download.
Yes — 19 of the top conversion calculator countries apps we rank are free to download, including Calculator: Basic & Scientific and Conversion Calculator Units.
Calculator: Basic & Scientific shows ads and offers in-app purchases, according to its App Store listing as of November 2026.
We track 245+ conversion calculator countries apps on the iOS App Store as of November 2026, ranked by rating, recency, and analysis of real user reviews.