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Best Rpn Calculator 48 Apps

249+ iOS apps curated and reviewed

4.3 avg rating
16 free apps
Updated September 2026

The best rpn calculator 48 apps on iPhone average 4.3★ across 249+ titles — we've ranked them by what real users actually keep on their phones. Updated September 2026.

Compare top Rpn Calculator 48 Apps (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1iHP48iHP48Free4.7★ (270)NoNoSep 2026
2RPN Calculator 48RPN Calculator 48$3.994.8★ (238)NoNoSep 2026
3R47 RPN CalculatorR47 RPN CalculatorFree5.0★ (23)NoYesSep 2026
4RPN Memory CalculatorRPN Memory CalculatorFree—NoYesMay 2026
5i48i48Free3.5★ (196)NoNoAug 2026
6Enter — RPN CalculatorEnter — RPN Calculator$4.99—NoNoSep 2026
7Lupa GPSLupa GPSFree—NoNoJul 2026
8Free42Free42Free4.8★ (283)NoNoSep 2026

Top Picks for Rpn Calculator 48

iHP48#1

iHP48 by Alexis Lorca

The classic HP48 improved
Editor's Choice
📊 Productivity
4.7😊(270 ratings)
Free
iHP48 screenshot 1
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iHP48 screenshot 5

This app brings the powerful HP48 calculator experience to your mobile device. It offers enhanced performance, seamless file management, and a customizable interface with support for various HP calculator models. Enjoy a familiar and convenient calculator solution without needing extra hardware.

What We Love

  • 🚀 Excellent emulation of HP48
  • 👍 Familiar and nostalgic feel
  • 👍 Comprehensive functionality
  • 👍 Customizable skins
  • 👍 Haptic feedback
  • 👍 Stable and reliable

Room to Improve

  • 🐛 Occasional crashes or freezes
  • 🐛 Missed keystrokes when typing quickly
  • 🐛 Blank or flickering display
  • 🐛 Compatibility issues with newer iOS versions
RPN Calculator 48#2

RPN Calculator 48 by Tom Kerrigan

RPN Scientific Calculator
Strong Contender
🔧 Utilities
4.8😊(238 ratings)
$3.99
RPN Calculator 48 screenshot 1
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RPN Calculator 48 screenshot 4

This app offers a scientific calculator with Reverse Polish Notation (RPN) functionality, providing an alternative to the default calculator. It features a large, easy-to-read display, a 100-entry stack, and extensive undo/redo capabilities. Its design is inspired by classic HP calculators.

What We Love

  • 🚀 Excellent RPN implementation
  • 👍 Familiar and intuitive interface
  • 💡 Useful features for everyday calculations
  • 🚀 Reliable and stable performance
  • 👍 Large and visible stack display

Room to Improve

  • 🐛 Lack of landscape mode support on iPad
  • 💡 Could use more advanced features like matrix operations
R47 RPN Calculator#3

R47 RPN Calculator by MARCEL DAN

HP Program Editor & Tutorials
Worth Considering
📚 Education
5.0(23 ratings)
FreeIn-App Purchases
R47 RPN Calculator screenshot 1
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This scientific calculator uses Reverse Polish Notation (RPN) to help you break down complex problems. It offers a full 47-series instruction set with advanced functions and a program editor. The free version includes extensive tutorials and documentation.

More Rpn Calculator 48 apps to explore

FAQ about Rpn Calculator 48

What are the best rpn calculator 48 apps for iPhone?
iHP48 tops our rpn calculator 48 apps ranking as of September 2026, with a 4.7-star average from 270 App Store ratings, and it's free to download.
Yes — 16 of the top rpn calculator 48 apps we rank are free to download, including iHP48 and R47 RPN Calculator.
iHP48 has no ads and has no in-app purchases, according to its App Store listing as of September 2026.
We track 249+ rpn calculator 48 apps on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.
iHP48 is a mobile application that revives the classic HP48 calculator experience. It provides enhanced performance and convenience, allowing users to access powerful calculator functions directly on their device without needing a physical calculator.
Key features include support for multiple HP calculator models (HP38, HP39, HP48, HP49, HP50), enhanced user experience with haptic feedback and zoom options, seamless file management for transferring and accessing calculator objects, and access to a comprehensive library of calculator packages and ROMs.