This app provides a comprehensive suite of calculators and reference tools for electronics enthusiasts and professionals. It includes features for component identification, circuit calculations, and electrical property analysis, aiding in both study and practical work.
Summarized from real user reviews of Electronics Engineer Helper. Based on 430 reviews and a 4.8/5 average, it highlights the 6 positives and 2 negatives reviewers mention most about this Productivity app.
26.07.2
July 19, 2026
- [PRO] Junction temperature calculator. Finds the junction temperature or dissipated power from ambient temperature and thermal resistances, with or without a heatsink, and plots the power derating curve. - New pinouts: SMEMA, two RS-485 variants, and RJ11/RJ14/RJ25. - Area and volume units in Unit Converter. - Additional sources for datasheet and equivalent parts search. Big thank you to everybody who subscribed or purchased the PRO version. Your support helps to make this app even better. If you like this app, please rate it and leave a review. Regards, Rostyslav
MoreAccess to additional tools
$12.49
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Спасибо за отзыв!
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Спасибо за отзыв и финансовую поддержку приложения!
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Благодарю за отзыв
2 issues
Incorrect resistor color code display for some values
In-app purchase option not working for some users
5 requests
Add more circuit schematics and examples
Include ASCII code to decimal, hex, and octal conversion
This app offers a wide range of calculators and reference tools essential for electronics work and study. It includes features like datasheet search, resistor and capacitor code calculators, schematic symbol viewers, and pinout guides for various connectors and devices.
The free version provides over 100,000 users with access to numerous calculators and references. These include tools for resistor and capacitor coding, electronic schematic symbols, pinouts for common ports, Ohm's law, AWG conversion, and many more circuit and component calculations.
The PRO version unlocks advanced features such as SMD component marking codes, diode color codes, linear voltage regulators, voltage rectifiers, series/parallel component calculators, and tools for analog-to-digital conversion and signal converters.
While specific compatibility details are not provided, the app is designed for mobile devices and is used by a large number of users, suggesting broad compatibility with modern smartphones and tablets running Android. It is not explicitly stated if an iOS version is available.
The app serves as a portable toolbox for electronics engineers and students. It simplifies complex calculations, helps identify unknown components through color codes and markings, provides quick access to pinout diagrams, and offers reference data for various electronic standards and components.
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