Apps Like Ductulate HD for iPhone and iPad
Calculate air flow and duct sizes
Calculates air volume, pressure loss, velocity, and duct size for rectangular or round ducts. Supports both imperial and metric units. Users input values to determine required dimensions and system performance.
Ductulate HD screenshots
Ranked alternatives
Showing 221–240 of 1,000 ranked alternatives.


Convertible: Unit Converter
Efecto Pty Ltd
Convert units with many options.
The app offers a wide range of standard and non-standard units for metric and non-metric conversions. It supports iPad split view, Today Extension, and URL Scheme automation, with adjustable decimal precision and 19 themes.

Sensors
Piet Jonas
See device sensors all together.
The app displays built-in device sensor values including acceleration, heading, pressure, position, altitude, and speed. It also retrieves location name and elevation from GeoNames, and local weather data from World Weather Online.


Fluid Mechanics Calculator
loay setrak
Calculate parameters
Calculate properties using 90 specialized tools. Determine dry bulk density, specific gravity, flow rates, pressure, and head loss. Apply Bernoulli equations and Darcy Weisbach formula. Compute density, compressibility, and mean velocity.

PDC Bit & Drilling Calculator
zhandos uakanov
Calculate flow rates and hydraulic horsepower
Calculate minimum flow rates, bit hydraulic horsepower, jet impact force, and nozzle velocity. Input bit size, pressure drop, fluid density, and flow rate. View detailed results and formulas. Save and export calculations.


Structural Engineering lite
V PUGAZHENTHI
Calculate loads, beams, and columns
Solve and civil problems with 58 calculators. Calculate shear capacity, critical ratio, effective length factor, slenderness ratio, and allowable compressive stress. Switch between Imperial and Metric units.

Square Footage Calculator
Anna Filobok
Calculate area, convert units instantly
Calculate area using width and length in inches, feet, yards, meters, or centimeters. Convert results to inches, feet, meters, or centimeters instantly.

Free Hydraulic Cylinder Calculator
Zanthic Automation Inc.
Calculate hydraulic cylinder parameters easily.
The app calculates areas and volumes within hydraulic cylinders. It computes extension and retraction forces, times, velocities, and outflows based on user-entered data.

Concrete Slab Calculator
Anna Filobok
Calculate dimensions and convert units in real
Converts Width, Length, and Depth between imperial and metric units in real time. Calculates Area, Volume, and Weight based on provided dimensions. Allows custom Density input for accurate Weight calculations.

Powerlift – Barbell Calculator
Glasshouse Studio, LLC
Calculate weights and track lifts
Calculate and collar weights for lifts. Adjust custom weights to vary workouts. Switch between imperial and metric units. Use dark mode to reduce eye strain during training sessions.

Pipe Fitter Calculator
Kevin Morneault
Calculate pipe dimensions and fittings.
The app calculates pipe offsets, fittings, and dimensions using Imperial or Metric standards. It determines pipe cut lengths and generates values for cutting any angle fitting from a 90-degree fitting.

Timber Engineering Calculator
V PUGAZHENTHI
Calculate and civil parameters
Provides tools for calculating area, moment of inertia, distance from axis, radius of gyration, and section modulus for rectangular and square beams. Supports metric and imperial units.

HVAC Quick Load
Carmel Software Corporation
HVAC load calculations for buildings.
The app performs rule-of-thumb HVAC load calculations for various building types. Users input building area and occupants to determine heating, cooling loads, and air flows.

MidiPad 2
Codelle
Customize midi controller pads easily.
The app allows users to send notes, program changes, or controller events to Core Midi devices. Users can customize pads, add multiple pages, and group pads with matching colors.

Beam Engineering lite
V PUGAZHENTHI
Calculate parameters and convert units
Calculator provides tools to analyze and convert and Civil parameters. Users can calculate critical bending moments for rectangular, open, and nonuniform cross sections. Additional calculators for stress and deflection are available via in- purchase.


HydroCalc Plus
Transparent Blue Water LLC
Hydraulic engineering tool for pipe calculations.
The app calculates pressure losses in piping systems for engineers and contractors. It supports US and SI units, includes a pipe material library, and a fittings database for total system pressure loss calculations.

Convert - Unit and Currency
Raphael Odermatt
Units and track rates
Units across 17 categories with 398 options. Switch between currencies using real-time exchange rates for 130+ countries. Access the converter directly from Apple Watch.
How we rank alternatives
Apps are ranked by functional similarity, category fit, rating confidence, and popularity.