Best Friction Loss Apps

89+ iOS apps curated and reviewed

4.5 avg rating
18 free apps
Updated June 2026

Out of 89+ friction loss 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 Friction Loss

Water Flow Calculators#1

Water Flow Calculators by Waterous

Editor's Choice
📚 Education
4.6(5 ratings)
Free
Water Flow Calculators screenshot 1
Water Flow Calculators screenshot 2
Water Flow Calculators screenshot 3
Water Flow Calculators screenshot 4
Water Flow Calculators screenshot 5

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.

More Friction Loss apps to explore

4
Williams Fire & Hazard Control
Williams Fire & Hazard Control
Williams Fire & Hazard Control
by Williams Fire & Hazard LLC
Free
💼 Business
(0)
5
Pipe Flow Wizard - Calculator
Pipe Flow Wizard - Calculator
Pipe Flow Wizard - Calculator
Flow Rate & Pressure Loss Calc
Free

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.

Flow rate calculationsPressure loss calculationsPipe diameter sizing
🔧 Utilities
(98)
free with in-app purchases
6
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
7
Fire Pump Calc
Fire Pump Calc
Fire Pump Calc
Made by Kitimat Firefighters
Free

This professional hydraulic calculator assists fire service professionals and students with complex calculations for pump operations. It accurately determines pump discharge pressure, friction loss, elevation changes, and appliance pressure loss, all designed for real-world fireground scenarios. The app works offline and requires no account for immediate use.

Pump Discharge Pressure (PDP) calculationFriction loss for any hose layElevation gain and loss calculation
🔧 Utilities
(4)
free
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
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
10
Bell & Gossett - SystemSyzer
Bell & Gossett - SystemSyzer
Bell & Gossett - SystemSyzer
by Xylem Inc.
Free

This HVAC tool aids in piping system design, offering calculators for friction loss, velocity, and heat load. It includes a Cv tool and a specialized calculator for balancing contractors to determine valve settings and flow rates.

Friction loss and velocity calculatorHeat/cooling load calculationCv tool
🔍 Reference
(7)
free
11
Pipe Flow Gas Flow Rate
Pipe Flow Gas Flow Rate
Pipe Flow Gas Flow Rate
Find Flow, Friction Loss Calc
Free

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.

Gas flow rate calculationFriction and fitting loss analysisCompressible isothermal equations
🔧 Utilities
(7)
free
12
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
13
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
14
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
15
Pipe Flow Liquid Pipe Length
Pipe Flow Liquid Pipe Length
Pipe Flow Liquid Pipe Length
Find Length,Friction Loss Calc
Free

This utility app calculates the maximum pipe length for a given pressure loss, flow rate, and pipe diameter. It offers comprehensive results, customizable databases for materials and fluids, and supports both Imperial and Metric units. Engineers can generate professional reports and save results for later use.

Maximum pipe length calculationFriction loss and fitting loss calculationIntegrated databases for liquids, pipes, and fittings
🔧 Utilities
(1)
free with in-app purchases
16
Smart Belt Drive
Smart Belt Drive
Smart Belt Drive
by HUTCHINSON
Free

This application provides a comprehensive diagnostic tool for belt drive systems. It measures key parameters like pulley speeds, belt frequency, tension, and system geometry to ensure optimal performance, energy efficiency, and extended service life.

Pulley rotary speed measurementBelt frequency and tension measurementSystem geometry and misalignment measurement
📊 Productivity
(10)
free
17
Duct Calculator - DuctCalc
Duct Calculator - DuctCalc
Duct Calculator - DuctCalc
HVAC Sizing & Psychrometric
Free

This app provides professional HVAC duct sizing and psychrometric calculations in a single tool. It offers detailed calculations for various duct types and materials, along with comprehensive humid air property analysis. Designed for HVAC professionals, it replaces traditional ductulators with accurate digital functionality.

Duct sizing for round, rectangular, and flexible ductsFittings pressure drop calculationPsychrometric analysis with interactive chart
🔧 Utilities
(7)
free with in-app purchases
18
Duct Calculator Elite
Duct Calculator Elite
Duct Calculator Elite
Ducting Size Calculator
$6.99

This app simplifies HVAC duct sizing calculations. It computes duct size, velocity, pressure drop, and flow rate with an intuitive interface. Supports various units and duct materials for precise HVAC design.

Calculate duct size, velocity, pressure drop, flow rateDuct Size by Airflow modeDuct Size by Dimension mode
🔧 Utilities
(220)
paid
19
Orifice Jet Flow
Orifice Jet Flow
Orifice Jet Flow
Orifice flow sizing
$2.99
🔧 Utilities
(0)
20
Cornell Pump Toolkit
Cornell Pump Toolkit
Cornell Pump Toolkit
by Cornell Pump
Free

This utility app helps calculate key centrifugal pump performance metrics like head, suction, and friction loss. It also suggests suitable pumps from a catalog and allows saving and sharing results. It's designed for field use on Apple devices, functioning offline.

Calculate Total Dynamic HeadCalculate Net Positive Suction HeadCalculate Friction Loss
🔧 Utilities
(3)
free

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