Comparison

Electronics Engineer Helper vs Computer Science Calculations

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • Datasheet search
  • Resistor color code calculator
  • Electronic schematic symbols
  • Pinouts guide
  • Ohm's law calculator
  • AWG converter
  • Unit converter
Features
Read full description

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/

About

Computer Science Calculations

Features
Read full description

Computer Science Calculations is the ultimate application developed for every IT professional, network technician, programmer, or computer science enthusiast. If you spend a lot of time in front of your computer for study or work, this app represents the ideal support to speed up daily technical operations and improve overall efficiency, optimizing your workflow and increasing your productivity. You will find a complete suite of tools divided into thematic areas, designed to eliminate the need to consult external tables or complex websites. ALL THE FEATURES AT YOUR DISPOSAL: NUMBER SYSTEMS AND LOGIC: Perform byte conversions and manage number bases such as decimal, binary, octal, and hexadecimal. The app supports the representation of negative numbers (sign and magnitude, one's complement, two's complement), bitwise operations, bit shift, and bit rotation. NETWORKS AND INFRASTRUCTURE: Advanced tools for network management such as IPv4 Subnet calculator, PoE calculator, server RAID configuration, data transfer time estimation, and Wake On Lan (WOL) function for remote device startup. SECURITY AND DATA: Protect your systems with secure password generation and strength verification. Manage Base64 and URL encoding and decoding, generate random numbers, and create security hashes using MD5, SHA, and CRC-32 algorithms. RESOURCES AND STANDARDS: Quickly access ASCII tables and character encodings, HTML entities, Material Design colors, and Unix Timestamp conversions. It also includes cheat sheets for Unix commands, ISO 639-1 language codes, and ISO 3166-1 country codes, as well as RGB, HEX, and CMYK color converters. TEXT MANIPULATION: Quick tools for counting characters, words, and lines, reverse text, uppercase/lowercase conversion, whitespace removal, remove accents, and string replacement. It also supports string to binary, ASCII, and hexadecimal conversion. Simplify your daily technological challenges. Download Computer Science Calculations now and transform the way you work.

Screenshots

Electronics Engineer Helper4 screens
Computer Science Calculations4 screens

Verdict

The call

The clearest difference is ads: Electronics Engineer Helper at none against Computer Science Calculations's shown. Computer Science Calculations's advantage is iOS requirement (15.0 vs 17.0). On price, update cadence, in-app purchases 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Electronics Engineer Helper sells 2 in-app purchases, starting at $4.89 per year and Computer Science Calculations sells 3 in-app purchases, starting at $0.99 per 3 months. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly monthly. Both last shipped on October 11, 2026.

Scorecard2 real differences · 8 level
Electronics Engineer Helper versus Computer Science Calculations: the parameters behind the verdict, then further details
ParameterElectronics Engineer HelperComputer Science Calculations
PriceFreeFree
Rating4.8 (436 ratings) — better—
Positive reviews97.7% of reviews—
Number of ratings436 — better—
Update frequencyMonthlyMonthly
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, MaciPhone, iPad, iPod
Requires iOS17.015.0 — better
Further details — not scored
Size92 MB26 MB
Age rating12+4+
DeveloperRostyslav DovhaliukEgal Net di Ettore Gallina

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

Computer Science Calculations

Not enough reviews yet to summarise bugs or requests.

In-app purchases

2 purchases

Electronics Engineer Helper

Subscriptions1
  • 1 Year Subscription1 Month trial$4.891 Year
One-time1
  • Lifetime PRO Version$12.49
3 purchases

Computer Science Calculations

Subscriptions2
  • PRO Version (3 months)$0.993 Months
  • PRO Version (1 year)7 Days trial$2.491 Year
One-time1
  • PRO Version (Lifetime)$89.99

Questions

Is Electronics Engineer Helper free?
Electronics Engineer Helper is free to download, with in-app purchases available.
Is Computer Science Calculations free?
Computer Science Calculations is free to download, with in-app purchases available.
Do Electronics Engineer Helper or Computer Science Calculations have ads?
Computer Science Calculations shows ads; Electronics Engineer Helper does not.
Which is updated more often, Electronics Engineer Helper or Computer Science Calculations?
Electronics Engineer Helper ships an update monthly, and Computer Science Calculations monthly. Most recently, Electronics Engineer Helper was updated on October 11, 2026 and Computer Science Calculations on October 11, 2026.

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