Best Bigint Calculator Apps

248+ iOS apps curated and reviewed

4.5 avg rating
20 free apps
Updated October 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 (October 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1BigInt CalculatorBigInt CalculatorFree4.6★ (5)NoNoOct 2026
2RPN Big Integer CalculatorRPN Big Integer CalculatorFree5.0★ (2)NoNoMay 2026
3Calculator‰Calculator‰Free4.9★ (410K)YesNoNov 2026
4Calculator for iPad!Calculator for iPad!Free4.7★ (61K)NoNoNov 2026
5Calculator·Calculator·Free4.9★ (34K)YesYesNov 2026
6Calculator· - Easy to UseCalculator· - Easy to UseFree4.4★ (220)YesYesNov 2026
7Calculator%.Calculator%.Free4.4★ (4.2K)YesNoNov 2026
8Calculator-+Calculator-+Free1.8★ (5)YesNoOct 2026

Top Picks for Bigint Calculator

BigInt Calculator#1

BigInt Calculator by Viktor Pobedria

Arbitrary-precision math
Editor's Choice
🔧 Utilities
4.6(5 ratings)
Free
BigInt Calculator screenshot 1
BigInt Calculator screenshot 2
BigInt Calculator screenshot 3
BigInt Calculator screenshot 4
BigInt Calculator screenshot 5
BigInt Calculator screenshot 6

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.

RPN Big Integer Calculator#2

RPN Big Integer Calculator by Stephan Jancar

Primes and Factorization
Strong Contender
📚 Education
5.0(2 ratings)
Free
RPN Big Integer Calculator screenshot 1

This application provides a Reverse Polish Notation (RPN) calculator designed for handling very large numbers, up to 1024 bits. It specializes in prime number calculations and the factorization of substantial integers.

Calculator‰#3

Calculator‰ by Tim O's Studios, LLC

Default Calculator
Worth Considering
🔧 Utilities
4.9😊(410K 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 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 October 2026, with a 4.6-star average from 5 App Store ratings, and it's free to download.
Yes — 20 of the top bigint calculator apps we rank are free to download, including BigInt Calculator and RPN Big Integer Calculator.
BigInt Calculator has no ads and has no in-app purchases, according to its App Store listing as of October 2026.
We track 248+ bigint calculator apps on the iOS App Store as of October 2026, ranked by rating, recency, and analysis of real user reviews.