Apps Like Stack Testers Friend for iPhone and iPad
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Ranked alternatives
Showing 141–160 of 1,000 ranked alternatives.
Air Flow Conversion Calculator
Tan Chia Ling
Calculate airflow rate instantly
Calculate airflow displacement by inputting velocity or volume. Select duct type and dimensions with unit options. Instantly display results in preferred units including fl/min, m/s, and ft3/min.
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.
Report Rio Rancho
City of Rio Rancho
Issues and track progress
Allows users to civic issues like public safety, quality of life, and environmental concerns. Users can submit photos, add descriptions, and categorize reports. Reports are sent directly to local authorities for prompt action.
Plumbing Formulator
Historycentral.com Inc
Professional calculator for plumbing and HVAC.
The app offers over 200 formulas and tools for plumbing, HVAC, and mechanical contractors. It includes calculators for water flow, piping, drainage, water heaters, pumps, gas, medical gas, pools, septic, and thermal expansion.
Plutocalc+ Water
Daniel Peig
Solve treatment problems
Solve engineering problems with 103 calculators and 2670 calculations. Access chemical databases and standards. View self-explanatory diagrams. Input data for real-time results. Supports multiple languages including English and Portuguese.
International Steam Tables
Hans-Joachim Kretzschmar
Access properties and calculations
Calculate thermodynamic properties of water and using the IAPWS-IF97 formulation. Input temperature and pressure to determine enthalpy, entropy, and density. Access supplementary standards for backward equations. Export results in tabular format.
AeroTime Pro
Henrique Chelotti Duarte
Calculate flight time and block time
Block Time Calculator instantly computes block time in hours, minutes, and decimal format. Automatic Night Time Calculation determines night flight duration using accurate sunrise and sunset data.
How we rank alternatives
Apps are ranked by functional similarity, category fit, rating confidence, and popularity.