Electronics Engineer Helper vs QtWS 2019 (QtWorldSummit)
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/
QtWS 2019 (QtWorldSummit)
Access schedules, speaker bios, and session abstracts for the Qt World Summit. Navigate event locations with an integrated floor map and personalize your experience by selecting favorite talks. This app is built with Qt and is cross-platform.
- Event schedule access
- Speaker biographies
- Session abstracts
- Integrated floor map
- Personalized talk selection
- Cross-platform compatibility
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The QtWS app -- Your window to the Qt World Summit - a Developer Example App See what kind of Apps can be developed using Qt 6.12 Explore QtWS2019for Trainings, Keynotes and Development Topics for Embedded, Desktop, Mobile Devices and more. QtWS2019 gives you access to old data from these Conferences (Berlin, Tokyo) - easy switch between the schedules Find up-to-date session abstracts, view the agenda at a glance, read the speaker bios and find your way around using the integrated floor-map. Create your own path through the event by selecting your favorite talks. Yup, the app is of course #BuiltwithQt using Qt Quick Controls and Qt 6.12. And it's cross-platform -- obviously. About QtWS: The 2019 Qt World Summit will happen in Berlin, November 04-06 and Tokyo, November 29
Screenshots
Verdict
The clearest difference is in-app purchases: QtWS 2019 (QtWorldSummit) at none against Electronics Engineer Helper's 2. Electronics Engineer Helper's advantage is ratings volume (441 vs 1). On price, rating, review sentiment and update cadence 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. QtWS 2019 (QtWorldSummit) asks for nothing beyond the download.
QtWS 2019 (QtWorldSummit) holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Electronics Engineer Helper has 441 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 100% of QtWS 2019 (QtWorldSummit)'s.
Electronics Engineer Helper ships an update monthly, QtWS 2019 (QtWorldSummit) every 3 weeks. The most recent releases landed on October 26, 2026 and October 4, 2026 respectively.
| Parameter | Electronics Engineer Helper | QtWS 2019 (QtWorldSummit) |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (441 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 97.7% of reviews | 100.0% of reviews — better |
| Number of ratings | 441 — better | 1 |
| Update frequency | Monthly | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, Mac — better | iPhone, iPad |
| Requires iOS | 17.0 — better | 18 |
| Further details — not scored | ||
| Size | 93 MB | 60 MB |
| Age rating | 12+ | 4+ |
| Developer | Rostyslav Dovhaliuk | Ekkehard Gentz |
Customer experience
Electronics Engineer Helper
QtWS 2019 (QtWorldSummit)
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
QtWS 2019 (QtWorldSummit)
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
QtWS 2019 (QtWorldSummit)
No in-app purchases
Questions
Is Electronics Engineer Helper free?
Is QtWS 2019 (QtWorldSummit) free?
Which has better reviews, Electronics Engineer Helper or QtWS 2019 (QtWorldSummit)?
Do Electronics Engineer Helper or QtWS 2019 (QtWorldSummit) have ads?
Which is updated more often, Electronics Engineer Helper or QtWS 2019 (QtWorldSummit)?
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