Comparison

Electronics Engineer Helper vs DiagEdge

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

DiagEdge

Features
Read full description

DiagEdge is an AI-powered diagnostic assistant built specifically for automotive workshops and technicians. Stop guessing. Start diagnosing. DIAGNOSTIC MODULES - Diagnostic — Fault codes, live data, symptom-based diagnosis - Waveform — Oscilloscope signal analysis and interpretation - Wiring Logic — Circuit faults, shorts, CAN bus diagnosis - AC Diagnosis — Air conditioning system fault diagnosis - DPF & Emissions — DPF regens, EGR, AdBlue, emissions faults - Charging & Starting — Battery, alternator, starter, parasitic draw KNOWLEDGE BASE Access 200,000+ solved cases, recalls and Technical Service Bulletins (TSBs). Search by make, model, fault code or symptom. REGO LOOKUP Australian rego lookup powered by NEVDIS — instantly identify vehicle make, model, year and VIN from a number plate. US rego lookup to come VOICE INPUT Describe faults hands-free using voice input while working on the vehicle. IMAGE ANALYSIS Attach photos of fault codes, wiring diagrams or damaged components for AI analysis. Built for professional automotive workshops. A$1 first month, then A$50/month or US$1 first month, then US$35/month Terms of Use (EULA): https://www.diagedge.au/terms Privacy Policy: https://www.diagedge.au/privacy-policy

Screenshots

Electronics Engineer Helper4 screens
DiagEdge4 screens

Verdict

The call

The clearest difference is iOS requirement: DiagEdge at 15.1 against Electronics Engineer Helper's 17.0. On price, ads, 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 DiagEdge sells 3 in-app purchases, starting at $29.99 per month. Whichever you choose, the download price is not the number that matters.

Scorecard1 real difference · 9 level
Electronics Engineer Helper versus DiagEdge: the parameters behind the verdict, then further details
ParameterElectronics Engineer HelperDiagEdge
PriceFreeFree
Rating4.8 (436 ratings) — better—
Positive reviews97.7% of reviews—
Number of ratings436 — better—
Update frequencyMonthly—
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, Mac — betteriPhone, iPod
Requires iOS17.015.1 — better
Further details — not scored
Size91 MB32 MB
Age rating12+4+
DeveloperRostyslav DovhaliukRobert Romano

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

DiagEdge

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

DiagEdge

Subscriptions3
  • DiagEdge Diagnostic Monthly1 Month trial$29.991 Month
  • DiagEdge Pro Monthly1 Month trial$59.991 Month
  • DiagEdge Teams Monthly1 Month trial$99.991 Month

Questions

Is Electronics Engineer Helper free?
Electronics Engineer Helper is free to download, with in-app purchases available.
Is DiagEdge free?
DiagEdge is free to download, with in-app purchases available.
Do Electronics Engineer Helper or DiagEdge have ads?
Neither Electronics Engineer Helper nor DiagEdge shows ads.

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