Best My LoopCal alternatives: apps like My LoopCal: 4-20mA Calibration

10+ similar apps compared and reviewed

3.7 avg rating
9 free apps
Updated October 2026

My LoopCal is great, but it's not the only option. Explore 10+ similar apps for iPhone and iPad, each reviewed and rated by real users. Find free alternatives, premium upgrades, and hidden gems.

Top Alternatives to My LoopCal

I&C Tech Tools#1

I&C Tech Tools by LONNIE DALE RAWLS

Process Control Calculators
Editor's Choice
🔧 Utilities
3.0(2 ratings)
FreeIn-App Purchases
I&C Tech Tools screenshot 1
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This app offers essential calculation tools for instrumentation and control technicians and engineers. It provides free access to basic tools, with advanced calculators available through a one-time in-app purchase or subscription.

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4
RALLY PIT
RALLY PIT
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5
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JUMO smartCALC
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Instrument Toolbox
Instrument Toolbox
Instrument Toolbox
Smart Calculator for Engineers
$1.99

A professional calculator designed for industrial control, automation, and instrumentation engineers. It offers quick conversions and calculations for gas concentration, units, steam properties, flange levels, and pipeline flow. Ideal for both field debugging and engineering design.

PPM to mg/m³ conversion with compensationIndustrial unit conversion (pressure, volume, temp, etc.)Saturated steam pressure and density calculator
🔧 Utilities
(0)
paid
9
I/E Bible
I/E Bible
I/E Bible
by Oscar Corona
Free

This app provides a centralized hub for instrument calibration resources. It offers instant answers to process instrumentation questions through an integrated AI agent, streamlining calibration workflows.

Instrument calibration resourcesAI agent for process instrumentationInstant answers to technical questions
🔧 Utilities
(5)
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10
4-20 Temperature Calculator
4-20 Temperature Calculator
4-20 Temperature Calculator
Temperature to current scaling
Free

This utility app converts between 4-20 mA current signals and temperature readings. It's designed for engineers and technicians to quickly check transmitter scaling, verify loop values, and troubleshoot signal issues in various industrial applications.

Two-way current to temperature conversionCustom min/max process rangeSupport for negative temperatures
🔧 Utilities
(2)
free