Best apps like RLM-15CX

10+ similar apps compared and reviewed

4.7 avg rating
6 free apps
Updated August 2026

Looking for something like RLM? We've analyzed 10+ similar apps to help you find the best alternative. Each app is compared by ratings, features, and real user reviews, so you can make the right choice.

KobCard

KobCard by KOB MARKETING

Gift Card Information Platform
📊 Productivity
4.0(62 ratings)
Free
KobCard screenshot 1
KobCard screenshot 2
KobCard screenshot 3
KobCard screenshot 4

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.

Get More Info

Top Alternatives to RLM

RPN-67 NP#1

RPN-67 NP by Willy Kunz

Legendary Calculator
Editor's Choice
📊 Productivity
3.7(3 ratings)
Free
RPN-67 NP screenshot 1
RPN-67 NP screenshot 2
RPN-67 NP screenshot 3
RPN-67 NP screenshot 4
RPN-67 NP screenshot 5
RPN-67 NP screenshot 6

This app simulates a legendary vintage scientific calculator, offering a "live" display of its internal states and a virtual paper tape printer. It allows loading and running original sample programs, with advanced features that can be switched off for an authentic experience.

WP 34s#2

WP 34s by Pascal Meheut

Strong Contender
📊 Productivity
4.7(28 ratings)
Free
WP 34s screenshot 1

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.

DB40X#3

DB40X by Christophe de Dinechin

High-precision RPL calculator
Worth Considering
📊 Productivity
4.7(7 ratings)
Free
DB40X screenshot 1
DB40X screenshot 2
DB40X screenshot 3

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 RLM

4
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
5
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
6
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
7
i41CX
i41CX
i41CX
RPN Calc
$7.99

This app offers a powerful RPN scientific calculator experience, functionally equivalent to a renowned model. It provides extensive memory registers, over 300 built-in functions, and programmability. Advanced features can be unlocked via in-app purchases.

RPN logic with 4-element stack319 main and 124 extended memory registersOver 300 built-in functions
📊 Productivity
(45)
free with in-app purchases
8
RPN-34 CE
RPN-34 CE
RPN-34 CE
Legendary classic calculator
$1.99

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.

Photo-realistic look-and-feelProgrammable with 999 stepsIntegration and root solving
📊 Productivity
(14)
paid
9
RPN-35 SD
RPN-35 SD
RPN-35 SD
First scientific calculator!
$1.99

This app emulates the first pocket scientific calculator, offering a photo-realistic vintage experience. It simulates original operating speeds and unique arithmetic bugs, with optional modern enhancements like non-volatile registers.

Photo-realistic look-and-feelMultiple vintage skinsVintage and Enhanced modes
📊 Productivity
(14)
paid
10
RPN-70 HD
RPN-70 HD
RPN-70 HD
Very rare vintage calculator
Free

This app provides a photo-realistic simulation of a rare 1974 financial calculator, offering full functionality for loan amortization, saving plans, and depreciation. It features an authentic design with animated keys and an optional live register view.

Photo-realistic designLive register viewAnimated keys with sound
📊 Productivity
(3)
free