Best Calculating Apps

250+ iOS apps curated and reviewed

4.2 avg rating
19 free apps
Updated September 2026

Out of 250+ calculating apps on iOS, 19 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.

Compare top Calculating Apps (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1CalculatorCalculatorFree3.0★ (9.8K)NoNoSep 2026
2Calculator₊Calculator₊Free4.7★ (1.7M)YesYesSep 2026
3Calculator‰Calculator‰Free4.9★ (409K)YesNoSep 2026
4Calculating FractionsCalculating Fractions$0.995.0★ (1)NoNoSep 2026
5Calculating break-even point - TonTonCalculating break-even point - TonTonFreeNoNoMay 2026
6Calculating IRR - EvalueCalculating IRR - EvalueFree5.0★ (1)NoNoMay 2026
7Spreadsheet - SheetletSpreadsheet - SheetletFree4.4★ (165)NoYesJul 2026
8Calculator⁻Calculator⁻Free4.4★ (3.6K)YesNoSep 2026

Top Picks for Calculating

Calculator#1
3.0😞(9.8K ratings)
Free
Calculator screenshot 1
Calculator screenshot 2
Calculator screenshot 3

This app offers both basic and scientific calculators for quick solutions to mathematical expressions. It also features a "Math Notes" function that allows users to type or write out equations and see them solved inline, with support for variables and graphing.

What We Love

  • 👍 Basic calculator functionality
  • 💡 Math notes feature
  • 🚀 Clean, simple design

Room to Improve

  • 🐛 Calculation errors
  • 🔍 Lack of history/memory functions
  • 🤔 Inconvenient to access advanced features
  • 🤯 Frustrating to fix mistakes
  • 🙄 Removed useful features in recent updates
Calculator₊#2

Calculator₊ by Impala Studios

Basic, Scientific, Plus Calc
Strong Contender
🔧 Utilities
4.7😞(1.7M ratings)
FreeAdsIn-App Purchases
#91in Utilities
Calculator₊ screenshot 1
Calculator₊ screenshot 2
Calculator₊ screenshot 3
Calculator₊ screenshot 4
Calculator₊ screenshot 5
Calculator₊ screenshot 6

This app offers a comprehensive suite of calculation tools, including basic, scientific, and unit conversion functions. It features an AI-powered math solver that can solve problems from photos and a dedicated math notes section for jotting down equations and diagrams. Accessibility options like dynamic text size and VoiceOver support are also included.

What We Love

  • 💻 Useful calculator features
  • 🎨 Customizable backgrounds and themes
  • 📚 Helpful history tracking

Room to Improve

  • 📺 Intrusive full-screen ads
  • 💰 Expensive subscription model
  • 🔍 Ads blocking calculator functionality
Calculator‰#3

Calculator‰ by Tim O's Studios, LLC

Default Calculator
Worth Considering
🔧 Utilities
4.9😊(409K ratings)
FreeAds
Calculator‰ screenshot 1
Calculator‰ screenshot 2

This utility app offers a clean and intuitive interface for performing calculations. It prioritizes a user-friendly design with large buttons and a clear display for quick and efficient use.

What We Love

  • 👍 Easy to use
  • 👍 Large, clear buttons
  • 👍 Accurate calculations
  • 👍 Simple, no-frills design
  • 👍 Reliable and stable
  • 👍 Helpful for visual impairments

Room to Improve

  • 🔍 Lack of advanced features
  • 💰 Ads can be intrusive
  • 🔒 Concerns about security/malware
  • 🐛 Occasional bugs and glitches

More Calculating apps to explore

FAQ about Calculating

What are the best calculating apps for iPhone?
Calculator tops our calculating apps ranking as of September 2026, with a 3.0-star average from 9.8K App Store ratings, and it's free to download.
Yes — 19 of the top calculating apps we rank are free to download, including Calculator and Calculator₊.
Calculator has no ads and has no in-app purchases, according to its App Store listing as of September 2026.
We track 250+ calculating apps on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.
This app provides both basic and scientific calculators for solving mathematical expressions. It also includes a "Math Notes" feature that allows you to type or write out equations and have them solved inline. You can create and use variables, plot equations on graphs, and perform unit and currency conversions.
Yes, the app supports graphing equations. You can type or write an equation and then tap to graph it within Math Notes. You can zoom, pan, resize the graph, and even add multiple equations to the same graph to see their relationships.

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