Best • Fluid Mechanics, Reactive Transport And Heat Flow Apps

184+ iOS apps curated and reviewed

4.6 avg rating
18 free apps
Updated May 2026

Out of 184+ • Fluid Mechanics, Reactive Transport and Heat Flow apps on iOS, 18 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.

Top Picks for • Fluid Mechanics, Reactive Transport And Heat Flow

Pipe Flow Wizard - Calculator#1

Pipe Flow Wizard - Calculator by Daxesoft Ltd

Flow Rate & Pressure Loss Calc
Editor's Choice
🔧 Utilities
4.5(98 ratings)
FreeIn-App Purchases
Pipe Flow Wizard - Calculator screenshot 1
Pipe Flow Wizard - Calculator screenshot 2
Pipe Flow Wizard - Calculator screenshot 3
Pipe Flow Wizard - Calculator screenshot 4
Pipe Flow Wizard - Calculator screenshot 5
Pipe Flow Wizard - Calculator screenshot 6

This fluid flow rate and pressure loss calculator app helps engineers perform calculations for pipe systems, including flow rate, pressure drop, pipe diameter, and maximum pipe length, for both liquid and gas flow. Download the app to easily calculate and share results, and consider a subscription for full access to all features and no calculation restrictions.

Pipe Flow Liquid Pressure Drop#2

Pipe Flow Liquid Pressure Drop by Daxesoft Ltd

Find Loss, Friction Loss Calc
Strong Contender
🔧 Utilities
5.0(12 ratings)
FreeIn-App Purchases
Pipe Flow Liquid Pressure Drop screenshot 1
Pipe Flow Liquid Pressure Drop screenshot 2
Pipe Flow Liquid Pressure Drop screenshot 3
Pipe Flow Liquid Pressure Drop screenshot 4
Pipe Flow Liquid Pressure Drop screenshot 5
Pipe Flow Liquid Pressure Drop screenshot 6

This application calculates friction loss and fitting loss results for liquid pressure drop in pipes, using the Darcy-Weisbach equation and providing comprehensive results, including Reynolds number and fluid velocities. Try it out today and perform accurate pressure drop calculations on site or in the office, with the ability to generate professional reports and save results for future reference.

Flow Conversions#3

Flow Conversions by Jeff Evans

Water flow conversions
Worth Considering
🔧 Utilities
5.0(1 ratings)
Free
Flow Conversions screenshot 1
Flow Conversions screenshot 2
Flow Conversions screenshot 3

This application allows users to easily convert water flow rates between various units of measure. Try it out to calculate flow rates quickly and efficiently.

More • Fluid Mechanics, Reactive Transport And Heat Flow apps to explore

4
Fluid Mechanics Pack
Fluid Mechanics Pack
Fluid Mechanics Pack
Turbulence,Vortex,Cavitation
$3.99
$4.99 | 20% OFF

This engineering toolkit features 97 calculators and 28 converters for fluid mechanics, civil engineering, and structural engineering, allowing users to easily calculate essential parameters and convert units. It supports both USCS and SI units, making it an essential guide for engineers, students, and researchers to streamline their calculations and improve productivity.

🔍 Reference
(12)
5
Pipe Flow Liquid Pipe Diameter
Pipe Flow Liquid Pipe Diameter
Pipe Flow Liquid Pipe Diameter
Find Size, Friction Loss Calc
Free

This pipe sizing calculator app determines the minimum internal pipe diameter required for a given flow rate at a specified maximum pressure loss, providing comprehensive results and customizable options. Engineers can use it to perform calculations, generate professional reports, and verify results against published data, and it is available for a one-time fee with a free trial download.

🔧 Utilities
(5)
6
Chegg Study - Homework Help
Chegg Study - Homework Help
Chegg Study - Homework Help
Expert Answers & College App
Free

Get expert answers to your homework questions and study smarter with the Chegg Study app. Access step-by-step solutions and live expert help 24/7. A must-have tool for all students aiming to excel in their academics.

📚 Education
(205K)
7
Math and Science Tutor
Math and Science Tutor
Math and Science Tutor
Learn Math Fast
Free

Study Math and Science with ease using this app! Access 1500 video lessons covering Math, Algebra, Calculus, Physics, Chemistry, and more. Features include marking favorite lessons, recent video history, course search, and sharing options. Perfect for mastering the subjects quickly.

📚 Education
(906)
8
Pipe Flow Gas Pressure Drop
Pipe Flow Gas Pressure Drop
Pipe Flow Gas Pressure Drop
Find Loss, Friction Loss Calc
Free

This application calculates gas pressure drop and friction loss in pipes using various equations, allowing users to easily enter input data and view comprehensive results. Engineers can use it to perform calculations in the office or on-site, and share results via professional reports or save them to a library.

🔧 Utilities
(11)
9
Learn Mechanical Engineering
Learn Mechanical Engineering
Learn Mechanical Engineering
by Pollmine.Com
Free

Learn Mechanical Engineering with the help of an AI-driven coach through bite-sized videos, quizzes, and personalized guidance. Spend just 60 minutes a week to enhance your knowledge and skills in Mechanical Engineering and related fields.

📚 Education
(121)
10
Astra AI: Study & Exam Prep
Astra AI: Study & Exam Prep
Astra AI: Study & Exam Prep
Mathe & Hausaufgaben lösen
Free

This learning app provides one-on-one AI-powered support for students to learn and understand various subjects, including math, physics, and chemistry, with features such as step-by-step problem solving, exam prep, and curriculum-based learning. With its 24/7 availability and adaptive lessons, it helps students build confidence, understand complex topics, and improve their grades, making it like having a private tutor in their pocket.

📚 Education
(2.7K)
11
Periodic Table: Chemistry 2026
Periodic Table: Chemistry 2026
Periodic Table: Chemistry 2026
Chemistry in your phone!
Free

Discover a comprehensive chemistry resource with the Periodic Table app - a valuable tool for students, professionals, and enthusiasts. Access detailed information on chemical elements, interactive features, solubility data, and direct links to Wikipedia. Dive into the world of chemistry on your iPhone today!

📚 Education
(5.2K)
12
Precision Fluid Power
Precision Fluid Power
Precision Fluid Power
Quotes and Information
Free

This application allows users to perform fluid power calculations and request price quotes for hydraulic units. With easy-to-use tools and a simple request form, users can get timely and accurate quotes for repairs or new components, taking advantage of a team's over 150 years of hydraulic experience.

💼 Business
(7)
13
Molecules
Molecules
Molecules
by Sunset Lake Software
Free

View and manipulate 3D molecular structures using finger gestures. Rotate, zoom, and pan molecules in ball-and-stick or spacefilling modes. Store and load structures for later viewing, and download custom molecules from various sources. Experience hands-on chemistry exploration now!

📚 Education
(166)
14
Simple Unit Converter - Pro Measurement and Conversion Calculator for Multi Units
Simple Unit Converter - Pro Measurement and Conversion Calculator for Multi Units
Simple Unit Converter - Pro Measurement and Conversion Calculator for Multi Units
by Jian Yih Lee
Free
📊 Productivity
(210)
15
Fluid Mechanics Calc
Fluid Mechanics Calc
Fluid Mechanics Calc
by Trelleborg Sealing Solutions
Free
🔧 Utilities
(3)
16
Chemify: AI Chemistry helper
Chemify: AI Chemistry helper
Chemify: AI Chemistry helper
Solves inorganic and organic
Free

This chemistry application simplifies writing formulas and naming compounds, offering tools such as a formula generator, compound property explorer, and reaction balancer, making it perfect for students. With its cutting-edge technology, users can effortlessly tackle exercises, verify answers, and accelerate learning, and can start by exploring its features to transform their chemistry experience.

📚 Education
(4)
17
Physics Formulas Lite
Physics Formulas Lite
Physics Formulas Lite
by NSC CO. PTY LTD
Free

This application provides a comprehensive collection of physics formulas across seven categories, allowing users to quickly search, save, and share formulas. With additional features like calculation tools, multi-language support, and customization options, it's an essential resource for students, engineers, and scientists to explore and apply physics concepts conveniently.

📚 Education
(57)
18
Orifice Flow
Orifice Flow
Orifice Flow
by Muralidhar Shenoy
$3.99

This application quickly computes fluid flow rates in pipes and conduits using orifice plates, allowing users to select from common fluids or create custom ones, and choose from standard orifice designs and units of measurement. It's a helpful tool for engineers and designers to analyze and design flows in various applications, providing accurate results consistent with industry methods.

🔧 Utilities
(1)
19
Chemistry News by C&EN
Chemistry News by C&EN
Chemistry News by C&EN
by American Chemical Society
Free

Stay up-to-date with the latest trends and discoveries in the world of chemistry with our app. Get real-time news, articles, and updates on all things related to chemistry. Download now to explore the fascinating world of science!

📡 News
(393)
20
Pipe Flow Gas Pipe Diameter
Pipe Flow Gas Pipe Diameter
Pipe Flow Gas Pipe Diameter
Find Size, Friction Loss Calc
Free
🔧 Utilities
(2)