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 341–360 of 1,000 ranked alternatives.



Tile Calculator Pro
Anna Filobok
Calculate area with dimensions and gaps
Calculate area by inputting width and length in feet, inches, or meters. Convert between imperial and metric units in real time. Determine quantity with gap size and waste percentage. Identify floor or wall based on dimensions.





Pipe Flow Liquid Flow Rate
Daxesoft Ltd
Calculate with pressure loss data
Calculate fluid in pipes using the Darcy-Weisbach equation and Colebrook-White friction factors. Input pressure loss, diameter, and length to determine . Account for friction and fitting losses with K values. Export results and save calculations.

Structural Engineering Calc.
V PUGAZHENTHI
Calculate parameters and units
Calculator provides tools for calculations. Users can compute shear capacity, critical ratio, effective length factor, slenderness ratio, and allowable compressive stress for columns. Available in imperial and metric units.


Shoot Yes!
Neil Taylor
Record shooting, calculate ballistics, manage assets.
The app records target and range shooting, calculates ballistics, and manages shooting assets like guns, ammo, and components. It calculates group size, average distance to center, velocity statistics, and recommended turret adjustments for targets.

Unit Converter - 14-in-1
Xi'an 7kit Technology Co., Ltd.
Convert units with precision and style
Convert units across 14 categories including length, weight, and temperature. Switch between metric, imperial, and Chinese traditional systems. Customize display formats and save frequently used conversions.

Screenshot Pixel Measure Tool
InfoEnum Software Systems
Dimensions in screenshots and photos
Dimensions, spacing, and angles in screenshots and photos. Analyze color values, grid alignment, and element positions. Export measurements and compare dimensions across images.

Concrete Calculator, Estimator
sandip paghadar
Calculate volume and cost
Calculates volume and cost for footings, slabs, square columns, bar columns, and steps. Estimates quantity needed for each structure. Provides total cost based on material prices.

Japan-US Unit Conversion
Koya Nambo
Convert units with precision and ease
Convert units across categories including length, weight, speed, and volume. Switch between metric and imperial units. Perform calculations for conversions and save frequently used values. Share results via copy or email.

TEC Auto Test
The Energy Conservatory
Building envelopes and duct systems remotely
Perform airtightness tests by connecting to a DG-1000 or DG-700 pressure gauge. Collect and store data from the gauge and flow device. Enter building and customer details manually. Calculate and display results in a PDF report.

Pipe Flow Gas Pipe Diameter
Daxesoft Ltd
Calculate for rate and pressure loss
Calculate minimum for gas based on rate and pressure loss. Use multiple equations including AGA, Panhandle A, and Weymouth. Automatically adjust for gas density with Ideal Gas Law and CNGA compressibility factor. Input parameters and view results.



Thermo Diem
Mickey DeLorenzo
Weather context beyond simple numbers.
The app provides context for weather by comparing apparent temperature to previous and future days. It uses Robert Steadman's formula to calculate thermodynamic heat balance, considering humidity, wind, and solar radiation.
How we rank alternatives
Apps are ranked by functional similarity, category fit, rating confidence, and popularity.