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 361–380 of 1,000 ranked alternatives.


Ring Sizer: Risi
Axel Le Pennec
Measure finger size and select size
Measure finger or size using a phone camera. Input measurements to calculate size. Convert measurements between units. Save and share results. Provide guidance for accurate sizing.

Nostrum E85 Ethanol Module App
Performance Electronics, Ltd.
Monitor levels and fuel data
Monitor vehicle content, fuel temperature, and fuel pressure in real time. View up to 120 seconds of live data. Connect to multiple E85 modules. Switch between metric and imperial units.

Safety Assist
VELOCITY VUE, INCORPORATED
Manage tools, track compliance, and access data
Monitor job site with real-time alerts and incident reporting. Access mobile tools for risk assessments and compliance checks. Manage back-office tasks like permit tracking and training records. Share reports and update policies remotely.



Fuel Calculator App
SHPAVDA, TOO
Estimate cost and efficiency
Calculate consumption and efficiency to estimate travel costs and needs. Input distance and used to determine economy. Choose between imperial or US customary units. Adjust settings for different regions and vehicle types.


ISS Tracker - Live Position
Lucent Enterprises Ltd.
Track the ISS and view its orbit
Monitor the International Space Station with real-time tracking on an interactive world map. View current altitude, velocity, and orbital period. Access precise latitude and longitude coordinates. Choose between standard and satellite map views.


Square Feet Calculator Utility
Robert Winkelman
Calculate for rectangles
Calculate footage by entering length and width for multiple rectangles. Support measurements in , inches, or both. Export calculations as CSV for further use.

Hague Screw Thread Calculator
Hague fasteners Ltd
Engineers Thread Companion for all threads.
The app provides data for Unified & Whitworth Imperial Screw Threads, ISO Metric, and Custom threads. It calculates critical nominal dimensions for standard and custom thread combinations.

Pool Service Log & Calculator
Verosocial Studio
Calculate in gallons or liters
Calculate in US Gallons, Imperial Gallons, or Liters for square, rectangular, free form, circular, oval, and elliptical shapes. Convert feet to meters, temperature, pressure, flow rate, and gallons to liters.


Concrete Calculator
Sarah Ragab
Calculate needs and costs
Calculate quantities for slabs, footings, columns, walls, steps, and post holes. Estimate block counts and material needs. Provide approximate costs for and related materials.

Landscape Garden Calculator
Vladislav Zhirnov
Measure, calculate, and estimate projects
Calculate material quantities for landscaping projects by entering dimensions and selecting materials. Generate take-offs for gravel, soil, mulch, and concrete in cubic yards or meters. Export estimates and track project costs.

Metal Weight Calculator - MWC
Brijesh Kothari
Calculate with precision
Calculate and steel weights using customizable units and industry-specific formulas. Input dimensions and material grades to get accurate results. Switch between imperial and metric units. Provide feedback for improvements.

Simple Pacer
Geof Crowl
Calculate pace, distance, or time
Calculate pace, distance, or time for running or walking. Switch between modes quickly. Use metric or imperial units. Access a custom keyboard for fast input. Choose from four themes, including dark modes. No internet or cellular connection needed.


Tank Volume Calc Pro
阳 孙
Calculate liquid and generate dip charts
Calculate liquid volumes for horizontal cylinders, vertical cylinders, and rectangular tanks. Generate precise dip charts with customizable measurement increments. Export and share calculations and reference tables.
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Apps are ranked by functional similarity, category fit, rating confidence, and popularity.