Best Conversion Calculator Percentage Apps

244+ iOS apps curated and reviewed

4.6 avg rating
20 free apps
Updated November 2026

Looking for free conversion calculator percentage apps? 20 of our 244+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.

Compare top Conversion Calculator Percentage Apps (November 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Calculator: Basic & ScientificCalculator: Basic & ScientificFree4.6★ (207)YesYesNov 2026
2Best Percentage CalcBest Percentage CalcFree4.8★ (385)YesNoNov 2026
3Calculator +Calculator +Free4.6★ (10K)YesYesNov 2026
4Calculator+ - Unit ConversionCalculator+ - Unit ConversionFree4.0★ (1)NoNoOct 2026
5% Calc - Percentage Calculator% Calc - Percentage CalculatorFree—NoNoOct 2026
6Percentages %Percentages %Free4.8★ (179)YesNoNov 2026
7Unit Converter - Convert allUnit Converter - Convert allFree4.6★ (14K)YesYesNov 2026
8Calculator·Calculator·Free4.9★ (34K)YesYesNov 2026

Top Picks for Conversion Calculator Percentage

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.

Best Percentage Calc#2

Best Percentage Calc by Denis Belmont

Reduction and Increase
Strong Contender
🔧 Utilities
4.8(385 ratings)
FreeAds
Best Percentage Calc screenshot 1
Best Percentage Calc screenshot 2
Best Percentage Calc screenshot 3
Best Percentage Calc screenshot 4
Best Percentage Calc screenshot 5

Calculate percentage changes quickly and easily. This tool helps determine starting values, percentages, differences, or end values for various scenarios like salary increases or sale promotions.

Calculator +#3

Calculator + by xNeat.com

Graphing, Percentage, Triangle
Worth Considering
🔧 Utilities
4.6😊(10K ratings)
FreeAdsIn-App Purchases
Calculator + screenshot 1
Calculator + screenshot 2
Calculator + screenshot 3
Calculator + screenshot 4
Calculator + screenshot 5
Calculator + screenshot 6

This app offers a free basic and scientific calculator with an elegant interface. Upgrade for advanced features like graphing, equation solving, and unit conversions. Supports fractions, percentages, and multiple themes.

What We Love

  • 👍 Great features and easy to use
  • 👍 Efficient and quick
  • 👍 Versatile, functional calculator
  • 👍 Fantastic, easy to use app
  • 👍 Awesome calculator app

Room to Improve

  • 🐛 New updated layout is awful
  • 🐛 App is now terrible
  • 🔒 Paying customer screwed over by update
  • 🔒 Now timed trial, no free w/ads version
  • 🔒 Not honest

More Conversion Calculator Percentage apps to explore

FAQ about Conversion Calculator Percentage

What are the best conversion calculator percentage apps for iPhone?
Calculator: Basic & Scientific tops our conversion calculator percentage apps ranking as of November 2026, with a 4.6-star average from 207 App Store ratings, and it's free to download.
Yes — 20 of the top conversion calculator percentage apps we rank are free to download, including Calculator: Basic & Scientific and Best Percentage Calc.
Calculator: Basic & Scientific shows ads and offers in-app purchases, according to its App Store listing as of November 2026.
We track 244+ conversion calculator percentage apps on the iOS App Store as of November 2026, ranked by rating, recency, and analysis of real user reviews.