193+ iOS apps curated and reviewed
The best resistor tools apps on iPhone average 4.5★ across 193+ titles — we've ranked them by what real users actually keep on their phones. Updated June 2026.
This app is a collection of resistor calculators for hobbyists and electronic engineers, offering various tools to calculate resistance, voltage divider ratios, and amplifier gains. With this app, users can perform calculations and save combination values, making it a handy tool for electronic design and development.
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Discover an all-in-one Electronics Toolkit with a variety of calculators, converters, and reference tables tailored for electronic engineers, students, and hobbyists. Access essential tools like resistor color code calculators, logic gate truth tables, 555 timer calculators, and more to assist in electronic projects and learning.
This handy reference app calculates resistor color codes, supporting 4 and 5-band resistors, and is useful for makers, engineers, students, and electronics enthusiasts. Download the app to easily identify resistance values using the industry standard color-code.
This electronics utility app helps users quickly calculate resistance using standard resistor color codes and includes a built-in Ohm's Law and Watt's Law calculator for voltage, current, resistance, and power calculations. Download the app to simplify resistor identification and circuit calculations, saving time and reducing errors.
Discover the ultimate Electronics Engineering ToolKit, recommended by users as the best in the App Store! Packed with over 160 electronic applications, color code tools, frequency generators, and more. Don't miss out on this essential app for engineers, students, and hobbyists!
This innovative tool uses your smartphone's camera to detect and calculate the resistance value of carbon film resistors in real-time. Simply hold your phone over the resistor to get an instant reading, supporting 4-line brown resistors with a ± 5% margin of error.
Discover an elegant and versatile toolkit for your iPhone with 12 professional tools in one app. From a powerful flashlight to a handy unit converter and more, this all-in-one toolbox is a must-have for everyday tasks. Try it now!
Effortlessly manage, monitor, and maximize your tools with our all-in-one tool management app. Stay updated with the latest product releases, manage connected tools, access warranty information, and explore the full product catalog. Simplify your tool management experience today!
This application helps determine the resistance value of resistors based on their colored bands, supporting 3, 4, 5, and 6 band resistors. Simply select the number of bands and click on the color chart to get the corresponding resistance value and tolerance, making it easy to configure your electronics.
Transform your device into a versatile measuring tool with various functions such as a metronome, stopwatch, compass, ruler, and more. From monitoring atmospheric pressure to measuring angles, this app meets all your measurement needs effortlessly.
Introducing a revolutionary digital platform for tools and equipment, offering inventory management, tool tracking, and project-level organization. Streamline productivity and keep your tools secure and accessible with this innovative solution.
Experience the ultimate iOS toolbox with 31 carpenter, construction, and other tools and gauges like bubble level, laser level, stud finder, and more, all in one convenient app. Use device sensors for a versatile Swiss army knife-like experience. Join now for a free kit with ads, or upgrade for an ad-free experience.