Best Pipe Flow Gas Flow Rate Apps

205+ iOS apps curated and reviewed

4.7 avg rating
17 free apps
Updated July 2026

Out of 205+ pipe flow gas flow rate apps on iOS, 17 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.

Compare top Pipe Flow Gas Flow Rate Apps (July 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Pipe Flow Gas Flow RatePipe Flow Gas Flow RateFree5.0★ (7)NoYesMay 2026
2Pipe Flow Wizard - CalculatorPipe Flow Wizard - CalculatorFree4.5★ (101)NoYesJul 2026
3ESC Gas Flow Rate CalculatorESC Gas Flow Rate CalculatorFreeNoYesMay 2026
4Pipe Flow Gas Pressure DropPipe Flow Gas Pressure DropFree4.7★ (11)NoYesMay 2026
5Pipe Flow Gas Pipe DiameterPipe Flow Gas Pipe DiameterFree5.0★ (2)NoYesMay 2026
6Pipe Flow Gas Pipe LengthPipe Flow Gas Pipe LengthFree5.0★ (1)NoYesMay 2026
7Flow Rate HelpFlow Rate Help$0.994.3★ (44)NoNoAug 2026
8Pipe Flow Liquid Flow RatePipe Flow Liquid Flow RateFree4.8★ (4)NoYesJul 2026

Top Picks for Pipe Flow Gas Flow Rate

Pipe Flow Gas Flow Rate#1

Pipe Flow Gas Flow Rate by Daxesoft Ltd

Find Flow, Friction Loss Calc
Editor's Choice
🔧 Utilities
5.0(7 ratings)
FreeIn-App Purchases
Pipe Flow Gas Flow Rate screenshot 1
Pipe Flow Gas Flow Rate screenshot 2
Pipe Flow Gas Flow Rate screenshot 3
Pipe Flow Gas Flow Rate screenshot 4
Pipe Flow Gas Flow Rate screenshot 5
Pipe Flow Gas Flow Rate screenshot 6

This utility app calculates gas flow rates in pipes, accounting for friction and fitting losses using compressible isothermal equations. It offers extensive databases for materials, fittings, and gases, with customizable units and reporting options.

Pipe Flow Wizard - Calculator#2

Pipe Flow Wizard - Calculator by Pipe Flow Software

Flow Rate & Pressure Loss Calc
Strong Contender
🔧 Utilities
4.5(101 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

Calculate fluid flow rate and pressure loss in pipes. This app helps engineers determine pipe diameter, maximum pipe length, and friction loss for both liquid and gas flows, including fittings and elevation changes. Results can be shared as Excel or PDF reports.

More Pipe Flow Gas Flow Rate apps to explore

4
Pipe Flow Gas Pressure Drop
Pipe Flow Gas Pressure Drop
Pipe Flow Gas Pressure Drop
Find Loss, Friction Loss Calc
Free

This app calculates gas pressure loss in pipes using various compressible flow equations. It automatically handles gas density changes and provides detailed results including Reynolds number and friction factors. Users can customize pipe materials, fittings, and gases from integrated or custom databases.

Friction and fitting loss calculationsMultiple compressible flow equationsAutomatic gas density handling
🔧 Utilities
(11)
free
5
Pipe Flow Gas Pipe Diameter
Pipe Flow Gas Pipe Diameter
Pipe Flow Gas Pipe Diameter
Find Size, Friction Loss Calc
Free

This utility app calculates the minimum internal pipe diameter for gas flow based on flow rate and pressure loss. It supports various calculation equations and offers comprehensive results with customizable units and databases for materials, fluids, and fittings.

Calculates minimum internal pipe diameterSupports multiple flow equations (AGA, Weymouth, etc.)Handles gas density changes with Ideal Gas Law
🔧 Utilities
(2)
free
6
Pipe Flow Gas Pipe Length
Pipe Flow Gas Pipe Length
Pipe Flow Gas Pipe Length
Find Length,Friction Loss Calc
Free

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
🔧 Utilities
(1)
free with in-app purchases
7
Flow Rate Help
Flow Rate Help
Flow Rate Help
Velocity + Diameter Calculator
$0.99

Calculate liquid flow rate, pipe diameter, or velocity with ease. Customize units for diameter, velocity, and flow rate, and set your preferred decimal places for precise results.

Solve flow rate equationsCustomizable diameter unitsCustomizable velocity units
🔧 Utilities
(44)
paid
8
Pipe Flow Liquid Flow Rate
Pipe Flow Liquid Flow Rate
Pipe Flow Liquid Flow Rate
Find Flow, Friction Loss Calc
Free

Calculate fluid flow rate in pipes, including friction and fitting losses, using accurate engineering equations. Features extensive databases for liquids, pipes, and fittings, with customizable units and reporting options.

Fluid flow rate calculationFriction and fitting loss calculationExtensive material and fluid databases
🔧 Utilities
(4)
free with in-app purchases
9
Orifice Flow Rate Calculator
Orifice Flow Rate Calculator
Orifice Flow Rate Calculator
Natural Gas
Free

Easily calculate natural gas orifice flow rates using the AGA 3 standard. This utility app allows users to determine MCF production for a given duration, save calculations, and export data to CSV. It functions offline, requiring no cell service.

Orifice MCF CalculatorRotary (Direct) MCF CalculatorSave all calculations
🔧 Utilities
(98)
free
10
Natural Gas Pipe Size
Natural Gas Pipe Size
Natural Gas Pipe Size
Pipe Sizing & Pressure Drop
$6.99

Quickly calculate natural gas pipe diameters and pressure drops for installations. Supports a wide range of conditions, materials, and units, providing instant and accurate results without subscriptions or ads.

Instant pipe diameter calculationPressure drop estimationSupports various conditions (heat, pressure, temp)
📊 Productivity
(1)
paid
11
Compare Flow
Compare Flow
Compare Flow
by iENGINEERING Corporation
Free

This application helps engineers and designers evaluate the hydraulic flow capacity of various non-pressure sewer pipe types. It allows for comparisons between different pipe geometries and materials, including concrete, thermoplastic, and metal options.

Manning's Formula calculationCompare hydraulic flow capacityEvaluate pipe geometry alternatives
📊 Productivity
(5)
free
12
Pipe Calc Elite
Pipe Calc Elite
Pipe Calc Elite
Calculator for Pipe Trade Pros
$19.99

An advanced calculator for pipe trade professionals, offering quick access to pipe data, dimensions, and complex calculation solutions. It handles fractions and unit conversions, making it an essential tool for plumbers and fabricators on the job site.

Pipe data and dimensionsPressure loss calculationsOffset and cutback calculations
🔧 Utilities
(152)
paid
13
Pipe Flow Liquid Pipe Diameter
Pipe Flow Liquid Pipe Diameter
Pipe Flow Liquid Pipe Diameter
Find Size, Friction Loss Calc
Free

This app calculates the minimum internal pipe diameter required for a specific flow rate and maximum pressure loss. It offers comprehensive results, customizable databases for materials and fluids, and generates professional reports.

Pipe diameter calculationFriction loss calculationCustomizable material and fluid databases
🔧 Utilities
(5)
free with in-app purchases
14
Gas Volume Calc
Gas Volume Calc
Gas Volume Calc
Orifice Gas Flow Calculator
Free

This utility estimates natural gas flow rate using standard orifice meter calculations. It's designed for field use by operators, technicians, and engineers, combining meter geometry, flowing conditions, and gas composition for quick, reliable estimates.

Estimates natural gas flow rate (MCFD)Uses standard orifice meter calculationsCombines meter geometry, flowing conditions, and gas composition
📊 Productivity
(3)
free
15
Pipe Flow Liquid Pressure Drop
Pipe Flow Liquid Pressure Drop
Pipe Flow Liquid Pressure Drop
Find Loss, Friction Loss Calc
Free

This app calculates friction and fitting losses in liquid flow systems using the Darcy-Weisbach equation. It offers extensive databases for fluids, pipes, and fittings, with customizable units and reporting options. Verified against published data, it's designed for engineers needing accurate pressure drop calculations.

Friction and fitting loss calculationsDarcy-Weisbach equation with Colebrook-WhiteIntegrated databases for fluids, pipes, and fittings
🔧 Utilities
(12)
free with in-app purchases
16
Water Flow Calculators
Water Flow Calculators
Water Flow Calculators
by Waterous
Free

This educational app provides calculations for water flow using friction loss, smooth nozzle, NFA, and Iowa formulas. It's designed for professionals and students needing quick and accurate fluid dynamics computations.

Friction loss calculationsSmooth nozzle calculationsNFA formula support
📚 Education
(5)
free
17
Philadelphia Gas Works
Philadelphia Gas Works
Philadelphia Gas Works
Manage Your PGW My Account
Free

Manage your natural gas account with ease. This app offers a user-friendly interface to pay bills, monitor usage, receive important notifications, and enroll in efficiency programs. Take control of your account from a single, convenient place.

Easy navigationSecure bill paymentMonitor gas usage
💼 Business
(5.6K)
free
18
Flow Test Calculator
Flow Test Calculator
Flow Test Calculator
by Larry Owens
Free

Calculate hydrant flow rates and determine maximum water system flow. This tool uses a standard variation of the Hazen-Williams formula for calculations. Imperial units are currently supported, with metric coming soon.

Hydrant flow rate calculationMaximum water system flow determinationHazen-Williams formula implementation
📊 Productivity
(63)
free with in-app purchases
19
Flow Conversions
Flow Conversions
Flow Conversions
Water flow conversions
Free

Easily convert water flow rates between various units of measurement. This utility app provides a straightforward way to calculate and understand different flow rate values.

Calculate flow rateMultiple units of measureWater flow conversions
🔧 Utilities
(1)
free
20
Pipe Trades Pro Calc
Pipe Trades Pro Calc
Pipe Trades Pro Calc
Calculator | Welding & Piping
Free

This app provides advanced calculation tools and comprehensive data for pipe trade professionals. It streamlines workflows for pipefitters, welders, and steamfitters with features for measurements, fluid dynamics, and material specifications. Designed for efficiency and accuracy, it works offline for on-site use.

Advanced measurement calculationsFluid dynamics and pressure analysisComprehensive pipe data access
🔧 Utilities
(3.6K)
free with in-app purchases

FAQ about Pipe Flow Gas Flow Rate

What are the best pipe flow gas flow rate apps for iPhone?
Pipe Flow Gas Flow Rate tops our pipe flow gas flow rate apps ranking as of July 2026, with a 5.0-star average from 7 App Store ratings, and it's free to download.
Yes — 17 of the top pipe flow gas flow rate apps we rank are free to download, including Pipe Flow Gas Flow Rate and Pipe Flow Wizard - Calculator.
Pipe Flow Gas Flow Rate has no ads and offers in-app purchases, according to its App Store listing as of July 2026.
We track 205+ pipe flow gas flow rate apps on the iOS App Store as of July 2026, ranked by rating, recency, and analysis of real user reviews.
Pipe Flow Gas Flow Rate is a utility app designed to calculate the gas flow rate within a pipe. It considers pressure loss, including friction and fitting losses, using compressible isothermal equations.
The app supports multiple equations for pressure loss calculations, including the General Fundamental Flow, Complete Isothermal Flow, AGA, IGT, Panhandle A, Panhandle B, and Weymouth equations.