Best Complex Rpn Calculator Apps

244+ iOS apps curated and reviewed

4.6 avg rating
16 free apps
Updated October 2026

From beginner-friendly picks to power-user tools, our complex rpn calculator list covers 244+ iPhone apps updated through October 2026. Compare ratings, prices, and screenshots in one place.

Compare top Complex Rpn Calculator Apps (October 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Complex RPN CalculatorComplex RPN CalculatorFree3.9★ (24)NoNoOct 2026
2No Equal RPN CalculatorNo Equal RPN CalculatorFree4.9★ (8)YesNoOct 2026
3Calculator‰Calculator‰Free4.9★ (410K)YesNoNov 2026
4Calculator RPNCalculator RPN$4.994.7★ (48)NoNoOct 2026
5RPN Calculator 48RPN Calculator 48$3.994.8★ (246)NoNoOct 2026
6Calculator for iPad!Calculator for iPad!Free4.7★ (61K)NoNoNov 2026
7Calculator·Calculator·Free4.9★ (34K)YesYesNov 2026
8RPNRPNFree—NoYesOct 2026

Top Picks for Complex Rpn Calculator

Complex RPN Calculator#1

Complex RPN Calculator by John Coddington

Complex Numbers RPN Calculator
Editor's Choice
🔧 Utilities
3.9😐(24 ratings)
Free
Complex RPN Calculator screenshot 1
Complex RPN Calculator screenshot 2
Complex RPN Calculator screenshot 3
Complex RPN Calculator screenshot 4
Complex RPN Calculator screenshot 5
Complex RPN Calculator screenshot 6

This scientific calculator utilizes a four-level stack and natively handles complex numbers. It allows users to input and view numbers in both polar and rectangular formats, remembering its state and offering 10 memory locations.

What We Love

  • ✅ Great RPN functionality
  • ✨ Complex number support
  • 🆓 Free to use
  • 🚫 No ads or in-app purchases
  • 💻 Works on macOS
  • 👍 Simple and clean design
  • 💡 Customizable key press sound
  • 🗂️ Stack visibility

Room to Improve

  • 🎨 SwiftUI design is ugly
  • 🐌 Slow keyboard response
  • 🖱️ Clunky operation
  • 📉 Complex number operations limited
  • ⚠️ Broken on newer iOS versions (historically)
  • 😵 Confusing for non-RPN users
4.9(8 ratings)
FreeAds
No Equal RPN Calculator screenshot 1
No Equal RPN Calculator screenshot 2
No Equal RPN Calculator screenshot 3
No Equal RPN Calculator screenshot 4

This scientific calculator utilizes Reverse Polish Notation (RPN) for efficient complex calculations, mirroring the functionality of classic HP calculators. It features a continuously visible stack for better tracking and includes 10 memory registers, plus a dedicated quadratic equation solver.

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 Complex Rpn Calculator apps to explore

FAQ about Complex Rpn Calculator

What are the best complex rpn calculator apps for iPhone?
Complex RPN Calculator tops our complex rpn calculator apps ranking as of October 2026, with a 3.9-star average from 24 App Store ratings, and it's free to download.
Yes — 16 of the top complex rpn calculator apps we rank are free to download, including Complex RPN Calculator and No Equal RPN Calculator.
Complex RPN Calculator has no ads and has no in-app purchases, according to its App Store listing as of October 2026.
We track 244+ complex rpn calculator apps on the iOS App Store as of October 2026, ranked by rating, recency, and analysis of real user reviews.