Comparison

Electronics Toolkit calc vs Resistor

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

Head to head
About

Electronics Toolkit calc

Features
Read full description

Electronics Calculator is a complete engineering toolkit designed to help students, hobbyists, and professionals perform accurate electronic circuit calculations quickly and easily. Whether you are studying electronics, building circuits, or working on design projects, this app provides all the essential calculators you need in one place. Simplify complex formulas, save time on manual calculations, and improve design accuracy with an intuitive and easy-to-use interface. Key Features Ohm’s Law Calculator Instantly calculate voltage, current, resistance, and power for quick circuit analysis. Resistor Color Code Reader Decode resistor color bands to identify resistance values and tolerance with ease. Capacitor & Inductor Calculators Compute capacitance, inductance, energy, charge, and time constants for accurate component selection. LED Resistor Calculator Find the correct resistor value for LED circuits to ensure proper brightness and safe operation. Series & Parallel Resistor Tools Calculate equivalent resistance for complex resistor networks quickly. Voltage & Current Divider Calculators Design efficient circuits by accurately determining voltage and current distribution. Frequency & Timing Calculations Perform essential time and frequency computations for oscillators, timers, and signal circuits. Decibel (dB) Converter Convert power and voltage ratios into decibels for signal and communication analysis. Why Choose Electronics Calculator? Multiple electronics calculators in one app Fast, accurate, and easy-to-use tools Ideal for students, technicians, and engineers Works offline anytime for quick reference Make your electronic calculations faster, easier, and more reliable with Electronics Calculator, the all-in-one companion for circuit design and learning.

About

Resistor

This application simplifies electronic circuit calculations with tools for series/parallel resistance, LED current limiting, and three-phase circuit conversions. It also features a resistor color code decoder for quick component identification.

Highlights
  • Series/parallel resistor calculator
  • LED series resistor calculator
  • Star-delta and delta-star converters
  • Resistor color code decoder
  • Intuitive interface
Features
Read full description

Resistor Calc is an essential tool for anyone working with electronic circuits and resistors. Designed to streamline complex calculations and provide invaluable insights, this powerful app for iOS devices is a must-have in your toolkit. At the heart of Resistor Calc lies a comprehensive suite of calculators tailored to the needs of electrical engineers, students, hobbyists, and professionals. The series/parallel calculator makes it a breeze to determine the equivalent resistance for even the most intricate circuit configurations, eliminating the need for tedious manual calculations prone to errors. The LED series resistor calculator is a game-changer for those working with LED lighting systems. Simply input the required parameters, and Resistor Calc will recommend the ideal resistor value to ensure proper current limiting and protect your LEDs from potential damage, ensuring optimal performance and longevity. For three-phase circuits, the app's star-delta and delta-star converters streamline the process of switching between different wiring configurations. Whether you need to convert from star to delta or vice versa, Resistor Calc has you covered, saving you valuable time and effort. But the true standout feature of Resistor Calc is its powerful resistor color code decoder. Never again will you need to decipher those tiny colored bands manually. Simply input the color codes, and the app will instantly reveal the resistor's value, tolerance, and other essential information, making component identification a breeze and saving you countless hours of frustration. With its sleek and intuitive interface, Resistor Calc is designed for seamless navigation and ease of use. Whether you're a student grappling with complex circuit problems or a seasoned professional tackling intricate projects, this app empowers you with accurate and reliable calculations at your fingertips. Download Resistor Calc today and experience the power of efficient circuit analysis and resistor management on your iOS device. Streamline your workflow, minimize errors, and unlock new levels of productivity in your electrical engineering endeavours.

Screenshots

Electronics Toolkit calc4 screens
Resistor4 screens

Verdict

The call

The clearest difference is price: Resistor at Free against Electronics Toolkit calc's $4.99. Electronics Toolkit calc's advantage is ads (none vs shown) and update cadence (every 4 months vs every 16 months). On in-app purchases, device support and iOS requirement 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

Resistor is free to download; Electronics Toolkit calc costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Electronics Toolkit calc ships an update every 4 months, Resistor every 16 months. The most recent releases landed on October 17, 2026 and October 22, 2026 respectively.

Scorecard3 real differences · 7 level
Electronics Toolkit calc versus Resistor: the parameters behind the verdict, then further details
ParameterElectronics Toolkit calcResistor
Price$4.99Free — better
Rating—3.0 (3 ratings) — better
Positive reviews—50.0% of reviews
Number of ratings—3 — better
Update frequencyEvery 4 months — betterEvery 16 months
AdsNo — betterYes
In-app purchasesNoNo
Monetization—Ad-supported
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.013.0
Further details — not scored
Size25 MB22 MB
Age rating4+4+
DeveloperKantaben GorasiyaAnas Abubakar

In-app purchases

None

Electronics Toolkit calc

No in-app purchases

None

Resistor

No in-app purchases

Questions

Is Electronics Toolkit calc free?
Electronics Toolkit calc costs $4.99, with no in-app purchases.
Is Resistor free?
Resistor is free to download, with no in-app purchases.
Do Electronics Toolkit calc or Resistor have ads?
Resistor shows ads; Electronics Toolkit calc does not.
Which is updated more often, Electronics Toolkit calc or Resistor?
Electronics Toolkit calc ships an update every 4 months, and Resistor every 16 months. Most recently, Electronics Toolkit calc was updated on October 17, 2026 and Resistor on October 22, 2026.

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