Best apps like OPie Isentropic Calculator

27+ similar apps compared and reviewed

4.6 avg rating
9 free apps
Updated July 2026

OPie Isentropic Calculator is great, but it's not the only option. Explore 27+ similar apps for iPhone and iPad, each reviewed and rated by real users. Find free alternatives, premium upgrades, and hidden gems.

Top Alternatives to OPie Isentropic Calculator

StemFox Scientific Calculator#1

StemFox Scientific Calculator by Joshua Bryson

Engineering Equation Solver
Editor's Choice
🔧 Utilities
4.8(10 ratings)
FreeIn-App Purchases
StemFox Scientific Calculator screenshot 1
StemFox Scientific Calculator screenshot 2
StemFox Scientific Calculator screenshot 3
StemFox Scientific Calculator screenshot 4
StemFox Scientific Calculator screenshot 5
StemFox Scientific Calculator screenshot 6

Streamline complex STEM calculations with a powerful calculator, textbook equation solver, and comprehensive unit converter. Designed for engineers, it reduces busywork and improves accuracy for homework and technical tasks.

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OWON iMeter
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This app enables remote monitoring, analysis, and data logging for smart Bluetooth multimeters. It allows for continuous real-time and offline recording, multi-device control, and abnormal data warnings, enhancing operator safety and simplifying data comparison.

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Fluid Mechanics Calc
Fluid Mechanics Calc
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This utility app provides a comprehensive calculator for fluid mechanics, civil, and structural engineering parameters. It offers over 130 formulas and 360 calculation methods, supporting seamless unit system switching for analysis, design, and operation of fluid-related systems.

130+ fluid mechanics formulas360+ calculation methodsUnit system conversion (metric/US)
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Pipe Flow Gas Pipe Length
Pipe Flow Gas Pipe Length
Pipe Flow Gas Pipe Length
Find Length,Friction Loss Calc
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This app calculates the maximum pipe length for gas flow before pressure loss exceeds a specified rate. It offers comprehensive results, customizable databases for materials and fittings, and supports various units. Engineers can generate professional reports and verify calculations against published data.

Maximum pipe length calculationFriction loss and fitting loss analysisCustomizable databases for materials, fluids, and fittings
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7
Left Hand Robotics
Left Hand Robotics
Left Hand Robotics
by Left Hand Robotics, Inc.
Free

This platform offers autonomous robots designed to handle landscaping tasks for commercial, residential, and municipal clients. It aims to automate grounds maintenance efficiently.

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PV Calculator - off grid
PV Calculator - off grid
PV Calculator - off grid
Photovoltaic System Calculator
$1.99

This tool helps you calculate the necessary components for an off-grid photovoltaic system. It guides you through determining power consumption, available sunlight, and sizing solar arrays and battery banks.

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DP-Select
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This tool helps users configure and select DP pumps for their specific applications. It provides detailed product information, including technical specifications, hydraulic curves, and dimensions, based on your selection criteria.

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FloPro-MD
FloPro-MD
FloPro-MD
Gas Flow/Pressure Measurement
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This tool helps diagnose gas-related issues by measuring gas pressure and flow, converting it to heat output. It provides data to ensure appliances deliver expected performance, simplifying troubleshooting for technicians and installers.

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