Best Iphone Calculator Free Apps

248+ iOS apps curated and reviewed

4.6 avg rating
20 free apps
Updated October 2026

Out of 248+ iphone calculator free apps on iOS, 20 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 Iphone Calculator Free Apps (October 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Basic Calculator+Basic Calculator+Free4.9★ (261K)YesNoNov 2026
2CalculatorCalculatorFree3.1★ (10K)NoNoNov 2026
3Calculator for iPhone and iPadCalculator for iPhone and iPadFree4.7★ (18K)YesYesNov 2026
4Calculator₊Calculator₊Free4.7★ (1.7M)YesYesNov 2026
5Calculator‰Calculator‰Free4.9★ (410K)YesNoNov 2026
6Calculator Pro+ for iPadCalculator Pro+ for iPadFree4.4★ (62K)YesYesNov 2026
7Calculator - Free CalculatorCalculator - Free CalculatorFree4.2★ (1.4K)NoNoNov 2026
8Calculator with History +Calculator with History +Free4.7★ (25K)NoYesNov 2026

Top Picks for Iphone Calculator Free

Basic Calculator+#1

Basic Calculator+ by Best Free Apps

Basic Four Function Calculator
Editor's Choice
🔧 Utilities
4.9😊(261K ratings)
FreeAds
Basic Calculator+ screenshot 1
Basic Calculator+ screenshot 2

Perform essential arithmetic operations with a straightforward calculator app. Its large buttons and clear display ensure ease of use, supporting both portrait and landscape orientations.

What We Love

  • 👍 Easy to use
  • 👍 Large, clear buttons
  • 👍 Straightforward, basic functionality
  • 👍 No ads or in-app purchases
  • 👍 Works well on iPad

Room to Improve

  • 🐛 Inconsistent click volume
  • 🐛 Ads can be intrusive or disruptive
  • 🐛 Missing backspace/delete function
3.1😞(10K 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 for iPhone and iPad#3

Calculator for iPhone and iPad by Alex Yakauleu

You can count on it
Worth Considering
🔧 Utilities
4.7😊(18K ratings)
FreeAdsIn-App Purchases
Calculator for iPhone and iPad screenshot 1
Calculator for iPhone and iPad screenshot 2
Calculator for iPhone and iPad screenshot 3
Calculator for iPhone and iPad screenshot 4

A straightforward and intuitive calculator app designed for ease of use. It offers a history bar, customizable themes, and advanced mathematical functions, ensuring a pleasant and efficient calculation experience on your device.

What We Love

  • 👍 Easy to use
  • 👍 Large buttons
  • 👍 No ads
  • 👍 Simple and basic calculator
  • 👍 Helpful for everyday calculations
  • 🚀 Quick and responsive
  • 🎨 Colorful design

Room to Improve

  • 🐛 Issues with decimal input
  • 🐛 Occasional crashes or glitches
  • 📱 Not optimized for larger tablet screens
  • 💸 Ads can be distracting

More Iphone Calculator Free apps to explore

FAQ about Iphone Calculator Free

What are the best iphone calculator free apps for iPhone?
Basic Calculator+ tops our iphone calculator free apps ranking as of October 2026, with a 4.9-star average from 261K App Store ratings, and it's free to download.
Basic Calculator+ shows ads and has no in-app purchases, according to its App Store listing as of October 2026.
We track 248+ iphone calculator free apps on the iOS App Store as of October 2026, ranked by rating, recency, and analysis of real user reviews.