Best apps like HP-35

10+ similar apps compared and reviewed

4.1 avg rating
8 free apps
Updated July 2026

Looking for something like HP? 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.

Top Alternatives to HP

RCL-57#1

RCL-57 by Paul Novaes

Editor's Choice
🔧 Utilities
0.0(0 ratings)
Free
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This app faithfully recreates the TI-57 programmable calculator, offering its full scientific functions and programming capabilities. It includes a user manual, sample programs, and features like turbo speed and alphanumeric display.

Plus42#2

Plus42 by Thomas Okken

Enhanced HP-42S Calc Simulator
Strong Contender
🔧 Utilities
4.9(76 ratings)
$9.99
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This advanced scientific calculator simulates the classic HP-42S RPN calculator with enhanced features. It offers algebraic expressions, unit conversions, directories for storage, a larger resizable display, financial functions, and 2D plotting with integral and root finding.

RLM-11CX#3

RLM-11CX by Ricardo Lira Matte

Scientific & Programable
Worth Considering
🔧 Utilities
3.1(7 ratings)
FreeIn-App Purchases
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This app is a scientific and programmable calculator designed for science and engineering, replicating the functionality of the HP-11C. It offers extensive features for finance, business, statistics, complex numbers, and unit conversions, with a programmable interface for custom calculations.

More apps like HP

4
ThetaCalc
ThetaCalc
ThetaCalc
by Felix Stehli
Free

This utility app provides a Reverse Polish Notation (RPN) calculator. Users can extend its functionality by programming custom functions and equations using JavaScript.

Reverse Polish Notation (RPN) calculatorUser-programmable functionsJavaScript equation support
🔧 Utilities
(4)
free
5
Halcyon Calc Lite
Halcyon Calc Lite
Halcyon Calc Lite
by Halcyon Touch Software
Free

This app is a powerful calculator for students and professionals, offering advanced features like symbolic expression manipulation, graphing, and statistical analysis. It supports real, complex, and integer numbers, matrices, and vectors, making it versatile for various mathematical tasks.

Symbolic expression manipulationGraphing of expressionsMatrix and vector calculations
🔧 Utilities
(15)
free with in-app purchases
6
Free42
Free42
Free42
HP-42S Calculator Simulator
Free

This application is a faithful re-implementation of the HP-42S scientific calculator and its associated printer. It offers full functionality without requiring original HP ROM images and is an open-source project.

HP-42S calculator simulationHP-82240 printer simulationOpen source project
🔧 Utilities
(278)
free
7
HP15C: Scientific Calculator
HP15C: Scientific Calculator
HP15C: Scientific Calculator
Classic Science Calc for you
$4.99

Relive the classic computing experience with a vintage scientific calculator. This app emulates a beloved 90s model, offering a nostalgic and functional tool for calculations.

Vintage scientific calculator emulationClassic 90s designFunctional for scientific calculations
🔧 Utilities
(3)
paid
8
bcRPN
bcRPN
bcRPN
by Paul Wilkins
Free

This utility app functions as a Reverse Polish Notation calculator. It handles complex numbers and utilizes extended precision for all calculations, offering an unlimited stack depth and an undo feature for up to 10 operations.

Reverse Polish Notation (RPN) inputComplex number calculationsExtended precision math
🔧 Utilities
(4)
free
9
RLM-10CX
RLM-10CX
RLM-10CX
Scientific Calculator
Free

This scientific calculator offers a comprehensive suite of tools for finance, business, statistics, and complex scientific calculations. It emulates a classic calculator while leveraging modern iOS device capabilities for ease of use and advanced functions.

Finance and Business calculationsDate and Time interval calculationsAdvanced Statistics and Curve Fitting
🔧 Utilities
(1)
free
10
HP41CV
HP41CV
HP41CV
by Jurgen Anton Strohmer
Free

Experience the functionality of a classic 90s pocket calculator on your iPhone. This app offers UPN calculation with a basic course for new users. Many core functions are available for free, with advanced features offered as optional upgrades.

HP-41 CV calculator emulationUPN (Reverse Polish Notation) calculationBasic UPN course with examples
🔧 Utilities
(21)
free