Import test results to your iOS device by scanning QR codes with your camera. Organize results into projects, tag them with GPS data, and share project files or reports with others.





212+ iOS apps curated and reviewed
From beginner-friendly picks to power-user tools, our humboldt gauge list covers 212+ iPhone apps updated through May 2026. Compare ratings, prices, and screenshots in one place.





Import test results to your iOS device by scanning QR codes with your camera. Organize results into projects, tag them with GPS data, and share project files or reports with others.






This app functions as a digital measuring tool, allowing you to measure objects and distances with accuracy. It also enables you to create sketches with text annotations and share your measurements and designs.





Transform your device into a versatile toolkit with a comprehensive suite of measuring instruments. This app offers a metronome, stopwatch, timer, ruler, level, and various sensors to assist with a wide range of tasks.


Unlock your phone's sensors for scientific exploration. Conduct pre-built experiments or create your own using accelerometers, magnetometers, and more. Analyze and export data in various formats for further study.


Configure your gaugeART CAN gauge with this application. It allows for easy setup and customization of your device's display and functions.


This app offers precise measurements using augmented reality and on-screen tools. It caters to both professional and everyday needs with features like a flexible measuring tape, bubble level, and photo ruler. Save and manage your measurements within projects for easy access.


This intuitive tool allows you to measure angles and levels in multiple orientations. It offers high precision with smooth movement and includes calibration and hold functions for stable readings. Customize its appearance while enjoying its powerful yet simple design.


This utility app transforms your device into a multi-sensor tool. It provides real-time readings for GPS, altitude, speed, barometric pressure, acceleration, magnetic force, sound levels, and light intensity. Visualize data with graphs and maps, mark values, and record sensor information for later analysis.


This app provides advanced calculation tools and comprehensive data for pipe trade professionals. It streamlines workflows for pipefitters, welders, and steamfitters with features for measurements, fluid dynamics, and material specifications. Designed for efficiency and accuracy, it works offline for on-site use.


Easily document floor plans, measurements, photos, and notes on-site. This app allows for cloud-based project access across all devices, ensuring your data is backed up and synchronized. Streamline your workflow and improve efficiency for various trade professionals and DIYers.


This app allows wireless control and display of pressure gauge readings. Capture, store, and share data in various formats via email or cloud services. It offers features for blower door and duct testing, including code compliance results and airflow unit selection.


Easily capture and annotate photos of objects with dimensions, angles, and text comments. Organize projects, share them as PDFs or images, and collaborate with others via cloud features. Ideal for professionals needing to document and share measurements accurately.


This app is a powerful feet-inch-fraction calculator designed for construction professionals. It offers advanced calculation capabilities for layouts, bids, and estimates, simplifying complex measurements and conversions for enhanced project accuracy and efficiency.


Calculate distances between points and areas of polygons on a map. Supports metric and imperial units, GPS location, and freehand drawing. Altitude calculation is also available, with or without data connectivity.


This app acts as a mobile data logger and display for vehicles equipped with a JB4 tuner. It allows users to monitor and log various engine parameters, view data in real-time, and adjust settings for performance tuning.


Collect, visualize, and analyze real-time sensor data for STEM education. Wirelessly connect sensors, capture images for analysis, and build custom displays. Share live data and create electronic lab journals for collaborative learning.


Participate in game research to improve mobile game development. Log in to find and join playtests, record your gameplay with voice feedback, and complete surveys. Your input helps creators build better games.


Transform your phone into a car performance and diagnostic tool. Monitor real-time data, track fuel economy, and troubleshoot engine issues. Includes advanced features for track racing and customizable gauges.


This app is a conduit bending calculator designed for electricians and DIY enthusiasts. It provides accurate measurements for various bend types, accounting for bender and conduit specifications. Users can input data intuitively and receive instant feedback on bend feasibility.


This utility app calculates the minimum wire size needed for electrical installations based on voltage, current, distance, and allowable voltage drop. It supports various units and wire materials, ensuring safe and efficient power distribution for diverse applications.