Best apps like JRPN 15C

10+ similar apps compared and reviewed

4.7 avg rating
5 free apps
Updated August 2026

JRPN 15C is great, but it's not the only option. Explore 10+ similar apps for iPhone and iPad, each reviewed and rated by real users. Find free alternatives, premium upgrades, and hidden gems.

KobCard

KobCard by KOB MARKETING

Gift Card Information Platform
📊 Productivity
4.0(62 ratings)
Free
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KobCard is a comprehensive gift card information platform that offers real-time exchange rates, price calculations, and the latest news on gift cards. It serves as a one-stop destination for individuals looking to buy, sell, or stay informed about the world of gift cards.

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Top Alternatives to JRPN 15C

RPN-34 CE#1

RPN-34 CE by CuVee Software

Legendary classic calculator
Editor's Choice
📊 Productivity
5.0(14 ratings)
$1.99
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This app simulates a legendary scientific calculator, offering photo-realistic visuals and advanced functions like integration and root finding. It includes built-in programs and extensions for enhanced usability, making it a powerful tool for complex calculations.

RLM-15CX#2

RLM-15CX by Ricardo Lira Matte

Advance Scientific Calculator
Strong Contender
📊 Productivity
4.3(13 ratings)
FreeIn-App Purchases
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This advanced scientific calculator emulates the functionality of the HP-15C, offering comprehensive tools for finance, business, statistics, and scientific calculations. It supports programming, equation solving, and unit conversions, optimized for iOS devices.

DB40X#3

DB40X by Christophe de Dinechin

High-precision RPL calculator
Worth Considering
📊 Productivity
4.7(7 ratings)
Free
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A high-precision scientific calculator inspired by the HP48 series, offering arbitrary precision computations, complex numbers, vectors, matrices, and graphing. It supports RPN and algebraic operations, with over 1000 built-in functions and a hyperlinked help system.

More apps like JRPN 15C

4
WP 34s
WP 34s
WP 34s
by Pascal Meheut
Free

This app is a powerful RPN scientific calculator with extensive functions for mathematics, statistics, programming, and engineering. It includes programmer functions, fraction mode, probability distributions, and a stopwatch, offering a comprehensive tool for complex calculations.

RPN scientific calculator implementationProgrammer functions (binary, octal, hexadecimal)Fraction mode and probability distributions
📊 Productivity
(28)
free
5
RPN-70 SD
RPN-70 SD
RPN-70 SD
Very rare vintage calculator
Free

This app is a faithful simulation of a rare 1974 financial calculator, offering all its original functions with enhanced features like more memory registers and a visual stack display. It's designed for users who appreciate vintage technology and need precise financial calculations.

Photo-realistic vintage calculator designFull HP-70 function simulationAnimated keys with sound
📊 Productivity
(11)
free
6
WP 31s
WP 31s
WP 31s
by Pascal Meheut
Free

This app emulates a classic RPN scientific calculator, offering a rich function set for daily use with a simplified interface. It's based on the more complex WP 34s but is designed for easier operation.

RPN scientific calculator emulationRich function setSimplified, less cluttered keyboard
📊 Productivity
(15)
free
7
i41CX+
i41CX+
i41CX+
RPN Calc with Printer and CAS
$24.99

This advanced RPN scientific calculator offers workstation-class Computer Algebra System (CAS) capabilities, going beyond traditional replicas. It provides access to an extensive library of modules and programs, enhanced with iOS features, customizable skins, and iCloud support for seamless data management.

RPN logic with 4-element stackExtensive memory registersOver 400 built-in functions
📊 Productivity
(104)
paid
8
Vintage-45
Vintage-45
Vintage-45
Vintage Calculator (1973)
$0.99

This app meticulously recreates the functionality and appearance of a 1973 scientific calculator. It offers a photo-realistic interface with animated keys and includes all original functions, plus a "secret" stopwatch. Users can choose between full-speed or simulated original processing speeds.

Photo-realistic HP-45 designAnimated keys with sound feedbackFull HP-45 function implementation
📊 Productivity
(19)
paid
9
RPN-45 SD
RPN-45 SD
RPN-45 SD
Vintage Calculator (1973)
$1.99

This app is a detailed simulation of a 1973 scientific calculator, offering a photorealistic interface and all original functions. It includes powerful enhancements for modern use, such as complex number support and advanced date calculations.

Photorealistic calculator simulationFull HP-45 function implementationComplex number support
📊 Productivity
(15)
paid
10
DB50X
DB50X
DB50X
Color version of DB48X
$9.99

This scientific calculator offers high-precision computations with arbitrary precision for numbers. It supports advanced functions like complex numbers, matrices, symbolic calculations, and graphing, with a user-friendly interface and extensive built-in help.

Arbitrary precision calculationsRPN and algebraic operationsComplex numbers, vectors, matrices
📊 Productivity
(8)
paid