Best Bigint Calculator Apps

248+ iOS apps curated and reviewed

4.3 avg rating
19 free apps
Updated August 2026

Every iPhone needs a few good bigint calculator apps. We benchmark 248+ of them on App Store rating, freshness, and pricing, then surface the standouts so you don't have to scroll the App Store yourself.

Compare top Bigint Calculator Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1BigInt CalculatorBigInt CalculatorFree was $0.994.3★ (3)NoNoSep 2026
2Calculator‰Calculator‰Free4.9★ (409K)YesNoSep 2026
3Calculator for iPad!Calculator for iPad!Free4.7★ (61K)NoNoSep 2026
4Calculator #Calculator #Free4.6★ (36K)YesYesSep 2026
5CalculatorCalculatorFree4.5★ (146K)YesYesSep 2026
6Calculator·Calculator·Free4.9★ (34K)YesYesSep 2026
7Calculator⁼Calculator⁼Free4.6★ (358K)YesYesSep 2026
8Calculator for iPad₊Calculator for iPad₊Free4.5★ (126K)YesYesSep 2026

Top Picks for Bigint Calculator

BigInt Calculator#1

BigInt Calculator by Viktor Pobedria

Arbitrary-precision math
Editor's Choice
🔧 Utilities
4.3(3 ratings)
Free
BigInt Calculator screenshot 1
BigInt Calculator screenshot 2
BigInt Calculator screenshot 3
BigInt Calculator screenshot 4

This app offers a fast, multi-threaded calculator with a spreadsheet-like interface for easy editing and instant updates. It handles large numbers and complex expressions with arbitrary-precision arithmetic, making it suitable for various real-world calculations.

Calculator‰#2

Calculator‰ by Tim O's Studios, LLC

Default Calculator
Strong Contender
🔧 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
Calculator for iPad!#3

Calculator for iPad! by 7th Gear

Basic & Scientific Calculator
Worth Considering
🔧 Utilities
4.7😊(61K ratings)
Free
Calculator for iPad! screenshot 1
Calculator for iPad! screenshot 2
Calculator for iPad! screenshot 3
Calculator for iPad! screenshot 4

This app offers both basic and scientific calculation modes with over 30 scientific operations. It allows for customization of the app's appearance and includes features for note-taking, drawing, and viewing calculation history. It supports high accuracy calculations and nested parentheses.

What We Love

  • 📐 Versatile calculator with basic and scientific modes
  • 📝 Useful note-taking and calculation history features
  • 🎨 Customizable color schemes
  • 💻 Works well on both iPad and iPhone
  • 👍 Easy to use and intuitive interface

Room to Improve

  • 💰 Ads can be intrusive in free version
  • 🔒 Lack of transparency around in-app purchases
  • 🔍 Difficulty finding and accessing premium features
  • 🖥️ Layout issues in split-screen mode
  • 🔢 Inconsistent button placement between portrait and landscape

More Bigint Calculator apps to explore

FAQ about Bigint Calculator

What are the best bigint calculator apps for iPhone?
BigInt Calculator tops our bigint calculator apps ranking as of August 2026, with a 4.3-star average from 3 App Store ratings, and it's free to download.
Yes — 19 of the top bigint calculator apps we rank are free to download, including BigInt Calculator and Calculator‰.
BigInt Calculator has no ads and has no in-app purchases, according to its App Store listing as of August 2026.
We track 248+ bigint calculator apps on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.
BigInt Calculator is a multi-threaded calculator that uses a table-based format, similar to a spreadsheet, for input and editing. It supports arbitrary-precision arithmetic, allowing you to work with very large numbers and complex expressions.
It can handle basic arithmetic operations (+, -, ×, ÷), exponents (^), parentheses, decimals, negative numbers, and fractional powers. It correctly handles operator precedence and can work with numbers of any size.