Best Calculation App

250+ iOS apps curated and reviewed

4.6 avg rating
19 free apps
Updated September 2026

If you already know Calculator, this is the deeper bench. 250+ calculation app for iPhone, all reviewed and ranked by user rating, recency, and download trend as of September 2026.

Compare top Calculation App (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1CalculatorCalculatorFree3.0★ (9.8K)NoNoSep 2026
2Calculator₊Calculator₊Free4.7★ (1.7M)YesYesSep 2026
3CalculatorCalculatorFree4.5★ (146K)YesYesSep 2026
4Calculator‰Calculator‰Free4.9★ (409K)YesNoSep 2026
5百Math - Calculation App -百Math - Calculation App -FreeYesYesAug 2026
6Calculator with History +Calculator with History +Free4.7★ (25K)NoYesSep 2026
7Basic Calculator+Basic Calculator+Free4.9★ (243K)YesNoSep 2026
8Calculator #Calculator #Free4.6★ (36K)YesYesSep 2026

Top Picks for Calculation App

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
#85in Utilities
Calculator₊ screenshot 1
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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
4.5😐(146K ratings)
FreeAdsIn-App Purchases
Calculator screenshot 1
Calculator screenshot 2
Calculator screenshot 3
Calculator screenshot 4
Calculator screenshot 5
Calculator screenshot 6

This utility app offers a straightforward calculation experience with a vast selection of over 80 customizable themes. Personalize your calculator's appearance to suit your style while performing everyday math tasks.

What We Love

  • 👍 Easy to use
  • 🎨 Customizable backgrounds
  • 💯 Accurate calculations
  • 🆒 Unique design
  • 🔍 Helpful for schoolwork

Room to Improve

  • 💸 Ads disrupt usage
  • 🔒 Requires payment to remove ads
  • 🔀 Cannot rotate to landscape mode
  • 🐛 Occasional calculation errors
  • 📵 Freezes during use

More Calculation App apps to explore

FAQ about Calculation App

What is the best calculation app for iPhone?
Calculator tops our calculation app 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 calculation app 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+ calculation app 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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