Electronics Engineer Helper vs Binary Calculator & Converter
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Electronics Engineer Helper
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.
- Datasheet search
- Resistor color code calculator
- Electronic schematic symbols
- Pinouts guide
- Ohm's law calculator
- AWG converter
- Unit converter
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Digital toolbox for electronics engineers and electricians. Calculators and references for beginners and professionals — for work, study, DIY, and repair. Used by over 100,000 users. Completely ad-free. Included tools: • Datasheet search • Equivalent parts search (cross reference for transistors, diodes and ICs) • Resistor color and digit marking (4, 5 and 6 band color code; 2 symbols, 3/4 digit and EIA-96 code SMD resistors code) • Electronic schematic symbols (IEC 60617, IEEE 315 and GOST standards) • Pinouts of connectors and interfaces (USB, HDMI, DisplayPort, DVI, VGA, Thunderbolt, Apple Lightning and 30-pin, SATA, PCI Express and M.2, Ethernet RJ45 with PoE, RJ11/RJ14/RJ25, RS-232/422/485, IEEE 1394 FireWire, ATX, computer fans, SD card, audio jack, RCA, MIDI, XLR, PS/2, D-sub, SMEMA) • Pinouts of boards and microcontrollers (Raspberry Pi and Pico, Arduino, ESP32, ESP8266, STM32 Nucleo, Teensy, Orange Pi, RADXA Rock Pi, LubanCat, Flipper Zero, ATmega and ATtiny) • Ohm's law calculator • AWG converter (wire diameter, cross-section area, resistance and maximum current) • Resistor for LED • Voltage divider • Wheatstone bridge (output voltage or unknown resistance, current and power of every arm) • Capacitor code • Capacitor markings • Capacitor ESR tables • Frequency response curve calculation of passive filters (RC, RL, RLC, LC) • Inductor color code • Air-core coil calculator (inductance or number of turns of a single-layer solenoid) • Ideal transformer (winding turns, voltages and currents) • Linear current regulator • SMD packages list • Reactance • PCB trace resistance • Active, apparent and reactive power • RMS converter (peak, RMS and peak-to-peak values for seven waveform shapes) • 555 waveform generator • Operational amplifiers • RLC circuit • Number conversion • Unit converter • Cable voltage drop • Battery life (runtime of a battery pack, with discharge curve) • NTC thermistor resistance • Logic gates • RC circuit • Decibels calculator • 25-pair cable color code • Fuse color marking Additionally, by purchasing the PRO version of the app, you will get access to additional tools: • SMD components marking codes • Diodes color code (Pro Electron, JEDEC and JIS-C-7012 standards) • Linear voltage regulator • Resistor value to color or SMD code marking converter • Voltage rectifier • Series or parallel electrical components' connection calculator • Diode voltage drop • Minimum PCB trace width • Analog to digital conversion • Attenuators • 4-20 mA signal converter • Thermocouple calculator • Resistance thermometer • Buck switching voltage regulator • Wire resistance • Zener diode regulator (Zener diode and series resistor selection from a catalogue of 438 parts) • Load cell (bridge output voltage to weight, force, pressure or torque) • BJT voltage divider biasing • Transformer turns per volt (from core area, flux density and frequency) • Junction temperature (with or without a heatsink, power derating curve) • Solar string dimensioning (minimum voltage and current ratings for a PV array) • Solar cable and fuse selection (NEC and IEC rules) • 555 astable generator with variable duty cycle • NTC thermistor in a voltage divider and with an ADC input Privacy Policy: https://www.eehelper.app/ios/privacy/ Terms of Use: https://www.eehelper.app/ios/terms/
Binary Calculator & Converter
Easily convert numbers between binary, decimal, and hexadecimal formats. This tool is ideal for programming, digital electronics, and mathematics, offering a simple interface for instant conversion results.
- Binary to decimal conversion
- Binary to hexadecimal conversion
- Decimal to binary conversion
- Decimal to hexadecimal conversion
- Hexadecimal to binary conversion
- Hexadecimal to decimal conversion
- Simple and easy-to-use interface
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The Decimal Conversion App is a simple and easy-to-use tool. By using this app, easily convert between binary, decimal, and hexadecimal numbers. The app supports the following three decimal formats: 1. Binary: This is a decimal number format that uses only two numbers, 0 and 1. For example, a number like "101011" is a binary number. 2. Decimal: This is the normal representation of numbers and uses digits from 0 to 9. For example, "42" is a decimal number. 3. Hexadecimal: This is a hexadecimal system that uses numbers from 0 to 9 and letters from A to F. For example, "2A" or "F" is a hexadecimal number. For example, a number like "2A" or "FF" is a hexadecimal number. This application allows you to convert the above decimal formats to each other. For example, you can convert from binary to decimal, hexadecimal to binary, or decimal to hexadecimal. It is very simple to use. Simply enter the number you wish to convert and select the decimal format you wish to use. The app instantly displays the conversion results. The "Decimal Converter App" is a useful tool in programming, digital electronics, mathematics, and other related fields. Anyone can easily use it, from beginners to advanced users. If you need help converting numbers to decimal numbers, please use the "Decimal Number Converter App". ■Details of the functions of the Decimal Conversion App 1. binary to decimal conversion:. - The user enters a binary number. - The app converts the number to decimal and displays the result. 2. Binary to hexadecimal conversion: The user enters a binary number. - The user enters a binary number. - The app converts the number to hexadecimal and displays the result. 3. Decimal to Binary: The user enters a decimal number. - The user enters a decimal number. - The app converts the number to binary and displays the result. 4. Decimal to Hex: The user enters a decimal number. - The user enters a decimal number. - The app converts the number to hexadecimal and displays the result. 5. Hex to binary conversion: The user enters a hexadecimal number. - The user enters a hexadecimal number. - The app converts the number to binary and displays the result. 6. Hex to decimal conversion: The user enters a hexadecimal number. - The user enters a hexadecimal number. - The app converts the number to decimal and displays the result. This decimal converter application is designed to provide a simple and easy-to-use interface that allows users to easily perform decimal conversions of numbers. All the user has to do is enter the number to be converted, select the appropriate conversion mode, and the app instantly displays the conversion results. The app is a useful tool in programming, digital electronics, mathematics, and related fields. Decimal conversions are important in a variety of applications, including bit operations, data processing, data display and conversion, encryption, and more. These are the details of the functions of the decimal conversion application. If necessary, we would be happy to provide specific usage and operation instructions. ■ Use Cases Some of the use cases of the decimal conversion application are shown below. 1. programming:. - While developing a program, you may need to convert a number expressed in binary or hexadecimal to a decimal number. This application can be used to quickly perform the decimal conversion of a number. Binary numbers are used in computers and machine logic circuits, while hexadecimal numbers are used in assembler and other machine languages. 2. digital electronics:. - Binary and hexadecimal numbers are commonly used in the design of digital circuits and microprocessors. This application can be used to perform decimal conversions in circuit design and data analysis. If you have needs related to the representation and conversion of numbers, this application can help you perform decimal conversions efficiently.
Screenshots
Verdict
The clearest difference is review sentiment: Electronics Engineer Helper at 98% against Binary Calculator & Converter's 0%. Electronics Engineer Helper also leads on rating (4.8 vs 2.0) and ads (none vs shown). Binary Calculator & Converter's advantage is in-app purchases (none vs 2) and iOS requirement (13.0 vs 17.0). On price and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Electronics Engineer Helper sells 2 in-app purchases, starting at $4.89 per year. Binary Calculator & Converter asks for nothing beyond the download.
Electronics Engineer Helper holds the better App Store score, 4.8 against 2.0. That said, the two scores are not equally well evidenced: Electronics Engineer Helper has 436 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 98% of Electronics Engineer Helper's written reviews are positive against 0% of Binary Calculator & Converter's.
Electronics Engineer Helper ships an update monthly, Binary Calculator & Converter every 6 months. The most recent releases landed on September 29, 2026 and September 24, 2026 respectively.
| Parameter | Electronics Engineer Helper | Binary Calculator & Converter |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (436 ratings) — better | 2.0 (1 ratings) |
| Positive reviews | 97.7% of reviews — better | 0.0% of reviews |
| Number of ratings | 436 — better | 1 |
| Update frequency | Monthly — better | Every 6 months |
| Ads | No — better | Yes |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Ad-supported — better |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Requires iOS | 17.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 92 MB | 30 MB |
| Age rating | 12+ | +4 |
| Developer | Rostyslav Dovhaliuk | MINERVA K.K. |
Customer experience
Electronics Engineer Helper
Binary Calculator & Converter
Bugs and requests
Electronics Engineer Helper
Reported bugs
2 issues- Incorrect resistor color code display for some values
- In-app purchase option not working for some users
Requested features
5 requests- Add more circuit schematics and examples
- Include ASCII code to decimal, hex, and octal conversion
- Expand the pinout section with more details
- Add active filter (RC, RL, RLC, LC) calculators
- Include digital to analog converter, transistor, and transformer calculators
Binary Calculator & Converter
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Electronics Engineer Helper
- 1 Year Subscription1 Month trial$4.891 Year
- Lifetime PRO Version$12.49
Binary Calculator & Converter
No in-app purchases
Questions
Is Electronics Engineer Helper free?
Is Binary Calculator & Converter free?
Which has better reviews, Electronics Engineer Helper or Binary Calculator & Converter?
Do Electronics Engineer Helper or Binary Calculator & Converter have ads?
Which is updated more often, Electronics Engineer Helper or Binary Calculator & Converter?
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