Sensors Toolbox vs FieldCalc

Sensor toolbox makes the most of all the sensors in your smartphone. With a user-friendly interface and easy to read layout, Sensor Multitool - Toolbox allows you to collect data in real time for any and all sensors on your phone. Convert the data into easy to read graphs with a detailed readout from each sensor. This app contains everything you need: an accelerometer, gyroscope, GPS Data, barometer, decibel meter, metal detector, compass, and much more. This app follows all material design guidelines, meaning the app is clean and simple to use This app uses intuitive graphs to create clean, orderly graphs of all data collected.

FieldCalc is the only calculator an HVAC/R technician needs on a service call. Every daily calculation in one fast, modern, fully offline app — no subscription, no clutter. CALCULATIONS - PT Chart — saturation pressure and temperature for R-410A, R-32, R-22, R-134a, and R-407C, with instant analog gauge readout - Superheat — suction line superheat with flooding warnings - Subcooling — liquid line subcooling with flash gas warnings - Duct Sizer — equal-friction round and rectangular duct sizing (ACCA Manual D / ASHRAE), with velocity limit warnings - Delta-T / Sensible Load — sensible BTU/hr and required airflow, with tonnage and metric conversions WHY FIELDCALC - Works 100% offline — no signal needed on the roof or in the basement - Imperial and metric units on every screen - Modern, high-contrast interface built for the field - Fast — open, calculate, done - No account, no subscription Built on trusted engineering sources: CoolProp thermodynamic data, ACCA Manual D, and ASHRAE Fundamentals. FieldCalc is a reference tool for qualified HVAC/R professionals. Always verify results against equipment manufacturer specifications and applicable codes.