Best apps like Basic RPN Calculator

39+ similar apps compared and reviewed

3.7 avg rating
6 free apps
Updated August 2026

Basic RPN Calculator is great, but it's not the only option. Explore 39+ similar apps for iPhone and iPad, each reviewed and rated by real users. Find free alternatives, premium upgrades, and hidden gems.

Top Alternatives to Basic RPN Calculator

RPN Memory Calculator#1

RPN Memory Calculator by Neverest Limited

RPN Multi Function Calculator
Editor's Choice
πŸ“š Education
0.0(0 ratings)
FreeIn-App Purchases
RPN Memory Calculator screenshot 1
RPN Memory Calculator screenshot 2
RPN Memory Calculator screenshot 3

This application provides a straightforward reverse Polish notation (RPN) calculator with essential functions and memory operations. It also includes integrated unit conversions for various measurements, allowing for quick conversions directly within the app. The calculator remembers your session, preserving all registers and memory values for future use.

RPN Big Float Calculator#2

RPN Big Float Calculator by Stephan Jancar

Strong Contender
πŸ“š Education
5.0(1 ratings)
Free
RPN Big Float Calculator screenshot 1

This advanced calculator offers unparalleled precision for complex mathematical operations, supporting up to 100,000 digits. It features both RPN mode and direct formula input, with a vast array of functions and built-in constants. Explore calculations with complex numbers, quaternions, and p-adic numbers.

BrainHQ#3

BrainHQ by Posit Science

Brain Training That Works
Worth Considering
πŸ“š Education
4.6😊(22K ratings)
FreeAdsIn-App Purchases
BrainHQ screenshot 1
BrainHQ screenshot 2
BrainHQ screenshot 3
BrainHQ screenshot 4
BrainHQ screenshot 5
BrainHQ screenshot 6

This app offers a scientifically-backed brain training program designed to improve cognitive functions like memory, attention, and processing speed. It features adaptive exercises that adjust to your performance, fitting into your daily routine with sessions as short as five minutes.

What We Love

  • 🧠 Scientifically-backed brain exercises
  • πŸ€“ Challenging and engaging games
  • 🧠 Noticeable cognitive improvements
  • πŸ‘ Customizable training focus

Room to Improve

  • πŸ’° Expensive subscription
  • πŸ€” Unclear instructions and scoring
  • πŸ› Bugs and glitches

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