Comparison

Impedance Calculators vs Electronics Tools & Calculator

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

Head to head
About

Impedance Calculators

This app provides 8 calculators for electrical impedance calculations. It covers various combinations of resistors, inductors, and capacitors in series and parallel circuits, offering formulas and circuit diagrams.

Highlights
  • Series impedance calculator
  • Parallel impedance calculator
  • R, L, & C circuit calculations
  • Includes formulas
  • Circuit diagrams provided
  • 8 distinct calculators
Features
Read full description

Impedance Calculators is a pack of 8 calculators with circuits and formulas. 
• Impedance of Resistor and Inductor in series 
• Impedance of Resistor and Inductor in parallel 
• Impedance of Resistor and Conductor in series 
• Impedance of Resistor and Conductor in parallel 
• Impedance of Inductor and Conductor in series 
• Impedance of Inductor and Conductor in parallel 
• Impedance of R, L & C in series 
• Impedance of R, L & C in parallel.

About

Electronics Tools & Calculator

This app serves as a pocket-sized electronics lab, offering a comprehensive reference for components and circuits. It simplifies complex calculations for filters, inductors, and various circuit configurations, aiding both engineers and hobbyists in their design processes.

Highlights
  • Electronic component reference
  • Electronic circuit reference
  • Filter design calculators
  • Inductor winding calculators
  • Transformer winding calculators
  • Resistor and capacitor calculations
  • Ohm's law and power calculations
Features
Read full description

Calculate, simulate, and understand electronic circuits with more than 60 calculators, interactive tools, and illustrated engineering references. Electronics Tools & Calculator is an all-in-one toolkit for students, engineers, technicians, makers, and electronics enthusiasts. Use it to study circuit theory, select components, check designs, or troubleshoot projects with practical calculators and clear circuit visuals. MORE THAN 60 ELECTRONICS CALCULATORS Solve problems across a wide range of topics: • Ohm’s law, voltage, current, resistance, and power • Series and parallel resistors and capacitors • Four-band, five-band, and SMD resistor codes • Voltage and current dividers • DC power and ripple voltage • RC, RL, LC, and RLC circuits • LED resistor and parallel LED calculations • Capacitor and inductor charging • Star-to-delta and delta-to-star conversions ACTIVE AND PASSIVE FILTER DESIGN Design and explore: • RC, RL, and LC filters • Butterworth and Chebyshev filters • Active and passive filters • Sallen-Key active filters • Band-pass and band-reject filters • Twin-T notch filters Selected advanced calculators include response graphs, helping you visualize how component values affect circuit behavior. AMPLIFIERS AND SEMICONDUCTORS Work with practical tools for: • 555 timer astable and monostable circuits • BJT analysis, biasing, Q-point, and switching • MOSFET switching • Inverting, non-inverting, and difference amplifiers • Class A, Class B, and Class AB amplifiers • Differential amplifiers and current mirrors • LM386 audio amplifier circuits POWER, RF, AND DESIGN TOOLS Explore calculations for: • Linear regulators and heat dissipation • Buck and boost converters • Rectifiers and Zener regulators • Clippers, clampers, and voltage multipliers • PCB trace width • Air-core and multilayer inductors • Transformers • Coaxial cables and waveguides • Antenna length and skin depth • dBm, watts, and decibel conversions • Servo and stepper motors DIGITAL ELECTRONICS Study essential digital circuits with clear diagrams and truth tables: • Logic gates • Flip-flops and counters • Multiplexers and demultiplexers • Encoders and decoders • Shift registers • Common digital integrated circuits INTERACTIVE CIRCUIT TOOLS Explore circuit behavior through interactive simulations and strong visual explanations. Adjust values, examine circuit configurations, and connect formulas with practical electronic designs. ILLUSTRATED ELECTRONICS REFERENCES Access more than 30 guides covering resistors, capacitors, inductors, transformers, diodes, BJTs, MOSFETs, IGBTs, UJTs, SCRs, DIACs, TRIACs, operational amplifiers, regulators, 555 timers, sensors, digital logic, Arduino boards, and ATmega microcontrollers. The guides combine explanations, equations, circuit diagrams, pinouts, truth tables, and practical notes to connect theory with real-world applications. DESIGNED FOR FASTER WORK • Search calculators by name • Save frequently used tools to Favorites • View response graphs in selected calculators • Export results from selected tools as PDF documents • Automatically switch between light and dark appearance • Use an interface designed for phones and larger screens • Choose from 15 supported languages • Access additional features through optional Pro tools Whether you are learning electronics, designing a filter, analyzing an amplifier, or checking values at the workbench, Electronics Tools & Calculator keeps useful tools and references close at hand. Important: This app is intended for education and design assistance. Always verify calculations, component ratings, circuit requirements, and safety considerations before building or operating electronic equipment.

Screenshots

Impedance Calculators4 screens
Electronics Tools & Calculator4 screens

Verdict

The call

The clearest difference is rating: Impedance Calculators at 5.0 against Electronics Tools & Calculator's 4.0. Electronics Tools & Calculator's advantage is in-app purchases (none vs 1) and update cadence (every 2 months vs every 21 months). On price, ratings volume, 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. Impedance Calculators sells 1 one-off in-app purchase. Electronics Tools & Calculator asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Impedance Calculators holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 12 and 16 respectively.

UpkeepUpdate frequency

Impedance Calculators ships an update every 21 months, Electronics Tools & Calculator every 2 months. The most recent releases landed on August 30, 2026 and September 9, 2026 respectively.

Scorecard4 real differences · 6 level
Impedance Calculators versus Electronics Tools & Calculator: the parameters behind the verdict, then further details
ParameterImpedance CalculatorsElectronics Tools & Calculator
PriceFreeFree
Rating5.0 (12 ratings) — better4.0 (16 ratings)
Positive reviews—16.7% of reviews
Number of ratings1216 — better
Update frequencyEvery 21 monthsEvery 2 months — better
AdsYesYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.015.0 — better
Further details — not scored
Size8 MB63 MB
Age rating4+4+
DeveloperV PUGAZHENTHIAnas Abubakar

Customer experience

Impedance Calculators

All ratings12 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Electronics Tools & Calculator

All ratings16 ratings
Positive75.0%
Neutral0.0%
Negative25.0%
Written reviews6 reviews
Positive16.7%
Neutral0.0%
Negative83.3%

In-app purchases

1 purchases

Impedance Calculators

One-time1
  • Remove Ads$0.99
None

Electronics Tools & Calculator

No in-app purchases

Questions

Is Impedance Calculators free?
Impedance Calculators is free to download, with in-app purchases available.
Is Electronics Tools & Calculator free?
Electronics Tools & Calculator is free to download, with no in-app purchases.
Which has better reviews, Impedance Calculators or Electronics Tools & Calculator?
Impedance Calculators is rated higher. Impedance Calculators averages 5.0 out of 5 from 12 ratings, while Electronics Tools & Calculator averages 4.0 from 16 ratings.
Do Impedance Calculators or Electronics Tools & Calculator have ads?
Both Impedance Calculators and Electronics Tools & Calculator show ads.
Which is updated more often, Impedance Calculators or Electronics Tools & Calculator?
Impedance Calculators ships an update every 21 months, and Electronics Tools & Calculator every 2 months. Most recently, Impedance Calculators was updated on August 30, 2026 and Electronics Tools & Calculator on September 9, 2026.

Other comparisons