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 81–100 of 1,000 ranked alternatives.


Fan Spec Performance
Muralidhar Shenoy
Evaluate fan specs and calculate duct
Evaluate fan specifications based on flow rate, static pressure, shaft power, and efficiency. Calculate average duct velocity, pressure loss, and leakage rates. Create and save multiple fan-duct system applications for analysis and review.

DuctSizer
MULBERRYSOFT COMPANY LIMITED
Calculate duct sizes with finger slide
Calculate duct sizes quickly with finger sliding for precise measurements. Display equivalent round and rectangular dimensions. Support IP and SI unit conversions. Perform accurate calculations for efficient system design.

Soil Calculator Plus
Calc Hub, LLC
Calculate volume for any shape
Calculate , topsoil, dirt, or landscaping material needed for projects. Input dimensions for rectangular, circular, or custom areas. Enter measurements in inches, feet, yards, centimeters, or meters.

SBC - Ballistic Calculator app
Vitalii Gryniuk
Calculate hold overs and scope settings
Calculate hold overs and scope adjustments for long-range shooting. Input bullet weight, velocity, and environmental factors. Switch between imperial and metric units. View range cards and bullet lists.

Speedometer: GPS Tracker
POKET APPS, OOO
Track speed, distance, and odometer
Track speed, distance, and odometer in real time. Switch between various velocity units. Measure movement in both forward and reverse directions. Sync with other apps for data tracking.

Flow Rate Help
Armchair Engineering
Calculate , diameter, or velocity
Calculate fluid rates, pipe diameter, or liquid velocity. Choose units for diameter, velocity, and . Set decimal precision for results. Solve equations for accurate measurements.

myConvert Lite
Lu A Oo
Convert units instantly and accurately
Convert units across multiple categories on a single screen. Perform calculations with a built-in numeric keyboard. Add custom units and categories. Navigate quickly with minimal scrolling. Supports both basic and complex conversions.

Bell & Gossett - SystemSyzer
Xylem Inc.
HVAC piping system design calculator tool.
The app provides HVAC piping system design tools based on an original plastic wheel calculator. It includes calculators for friction loss, velocity, and Cv, along with a Circuit Setter/Triple Duty Valve calculator for design and field use.

HVAC Pipe Sizer - Gas High
Carmel Software Corporation
Size high pressure gas piping systems.
The app sizes high pressure gas piping systems. Users input gas flow, upstream pressure, and pipe properties to determine pipe diameters, velocity, and equivalent length.

Baseball Radar Gun High Heat
Handtechnics
Monitor pitch velocity and track game stats.
The app monitors pitch velocity for a child, opposing pitcher, or MLB player. It tracks score, inning, outs, and ball/strike count from stadium stands.

Ultra Measure Master
Calculated Industries, Inc.
Convert units between standard and metric systems
Convert units between U.S. standard and metric systems. Calculate length, weight, volume, and temperature. Switch between imperial and metric measurements. Store frequently used conversions.

iConvert - Unit and Currency
Raphael Odermatt
Convert units and track rates
Convert units across 17 categories with 398 options. Switch between currencies using daily updated exchange rates. Access converter on Apple Watch for quick and conversions.


HVAC Pipe Sizer - Liquid
Carmel Software Corporation
Size pipe systems with liquid properties.
The app sizes pipe systems by inputting piping and liquid properties. It calculates results including pipe diameters, velocity, and head loss, and can email inputs and results.

Converter-Universal Conversion
Trelleborg Sealing Solutions Germany GmbH
Convert units, calculate percentages, track timezones, calculate
Convert units including currencies, length, weight, and temperature. Convert time zones and calculate percentages. Includes a running pace calculator and other utility tools for precise measurements and calculations.

Compass & Altimeter
明力 王
Navigate with precise location data
Measure geographical orientation with a precise . Display longitude, latitude, altitude, weather, and magnetic field data. Record location points and view saved travel history.


Unit Converter | Converter4U
VisTech.Projects LLC
Convert units between categories seamlessly
Convert units across categories like length, area, and temperature. Perform simultaneous conversions and customize preferences. Copy converted values to the clipboard for quick use.

How we rank alternatives
Apps are ranked by functional similarity, category fit, rating confidence, and popularity.