Best GO alternatives: apps like GO-21 SciRPN

10+ similar apps compared and reviewed

4.8 avg rating

4 free apps

Updated October 2026

GO-21 SciRPN

Steve Lidie

🔧 Utilities

📊 Productivity

Whether you want more options like GO or a completely different take on the same concept, our curated list of 10+ similar apps has you covered. Updated for 2026 with the latest ratings and comparisons.

Top Alternatives to GO

RPN-97 Pro by CuVee Software

Vintage Desktop Calculator

Editor's Choice

🔧 Utilities

4.9(11 ratings)

$4.99

This app simulates a legendary 1970s programmable calculator, offering advanced features for scientists and engineers. It allows users to run programs, manage virtual cards, and access hundreds of free program cards from its website.

AutoMathic by Kevin B. Belton

The Smart Calculator

Strong Contender

🔧 Utilities

5.0(2 ratings)

$1.99

This smart calculator automates complex math problems by translating conversational input into solvable equations. It offers three modes: scripted calculations, manual expression entry, and free-form English input for problem-solving.

LC48 RPN Calculator by 福恩毛

Scientific RPN Calculator

Worth Considering

🔧 Utilities

0.0(0 ratings)

Free

More apps like GO

my57

Classic calculator emulator

A nice intuitive calculator

$1.99

This scientific calculator offers an intuitive and visually appealing interface designed to replace hardware calculators. It features advanced functions, real-time parameter adjustments with sliders, and the ability to plot equations and complex numbers.

Intuitive and nice-looking interfaceAdvanced scientific functionsReal-time parameter adjustment with sliders

Vintage Programmable Calc

$3.99

This app simulates a vintage programmable calculator from the mid-70s, offering enhanced features beyond the original. It allows users to run existing programs, manage virtual cards, and utilize advanced functions for scientific and engineering tasks.

Virtual program and data cardsVirtual paper tape printerDatabase-driven card manager

Highly popular 1975 calculator

$2.99

This app is a photo-realistic simulation of the classic HP-25 scientific calculator. It offers advanced programming features, a vast function library, and modern enhancements for enhanced usability on iOS devices.

Photo-realistic simulationProgrammable (99/999 steps)15 user-defined function keys

by Halcyon Touch Software

$4.99

A powerful calculator app for students, engineers, and scientists. It handles complex numbers, symbolic expressions, unit conversions, and matrix operations, with advanced plotting and programming capabilities.

Complex number calculationsSymbolic expression manipulationUnit conversion with custom units

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.

TI-57 recreationScientific functionsProgramming capabilities

RPN At The Speed Of Light

Free

This utility app provides a powerful Reverse Polish Notation (RPN) calculator with advanced features. It supports scalar types, vectors, and matrices, along with extensive built-in operators and unit conversions. Easily switch between number bases and visualize results.

RPN stack for efficient calculationsSupport for scalar, vector, and matrix types84 built-in operators with documentation