Comparison

Electronics Engineer Helper vs TamNokta SKY

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

TamNokta SKY

Features
Read full description

TamNokta SKY Uygulaması ile tüm portföylerinizi yönetebilirsiniz. Kurulan entegrasyonlar ile Web sitesine aktarım sağlayabilirsiniz. Yapılacak görüşme ve aktiviteleri planlayıp, takip edebilirsiniz. Duyuru ve Hatırlatma sistemi sayesinde işlerinizi aksatmadan tamamlayabilirsiniz. Harita üzerinde tüm portföylerinizi takip edebilirsiniz. Daha birçok özelliği uygulama içerisinde aktif bir şekilde kullanabilirsiniz.

Screenshots

Electronics Engineer Helper4 screens
TamNokta SKY4 screens

Verdict

The call

The clearest difference is in-app purchases: TamNokta SKY at none against Electronics Engineer Helper's 2. TamNokta SKY also leads on iOS requirement (12.4 vs 17.0). On price, update cadence, ads 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. TamNokta SKY asks for nothing beyond the download.

UpkeepUpdate frequency

Electronics Engineer Helper ships an update monthly, TamNokta SKY every 2 months. Both last shipped on September 18, 2026.

Scorecard2 real differences · 8 level
Electronics Engineer Helper versus TamNokta SKY: the parameters behind the verdict, then further details
ParameterElectronics Engineer HelperTamNokta SKY
PriceFreeFree
Rating4.8 (436 ratings) — better—
Positive reviews97.7% of reviews—
Number of ratings436 — better—
Update frequencyMonthly — betterEvery 2 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, Mac — betteriPhone, iPod
Requires iOS17.012.4 — better
Further details — not scored
Size91 MB25 MB
Age rating12+4+
DeveloperRostyslav DovhaliukTAM NOKTA FRANCHİSİNG EMLAK HİZMETLERİ ANONİM ŞİRKETİ

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

TamNokta SKY

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
None

TamNokta SKY

No in-app purchases

Questions

Is Electronics Engineer Helper free?
Electronics Engineer Helper is free to download, with in-app purchases available.
Is TamNokta SKY free?
TamNokta SKY is free to download, with no in-app purchases.
Do Electronics Engineer Helper or TamNokta SKY have ads?
Neither Electronics Engineer Helper nor TamNokta SKY shows ads.
Which is updated more often, Electronics Engineer Helper or TamNokta SKY?
Electronics Engineer Helper ships an update monthly, and TamNokta SKY every 2 months. Most recently, Electronics Engineer Helper was updated on September 18, 2026 and TamNokta SKY on September 18, 2026.

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