Comparison

Simple Circuit Builder vs Electronic Circuit Calculator

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

Head to head
About

Simple Circuit Builder

This virtual lab offers a hands-on experience for learning about resistors and circuit resistance. Easily build and test series and parallel circuits, measure voltage and current, and understand the impact of component changes in real-time.

Highlights
  • Build circuits with up to eight components
  • Five component types
  • Virtual volt and amp meters
  • Adjustable resistor and voltage values
  • Real-time circuit analysis
  • Demonstrates 'Opens' and 'Shorts'
Features
Read full description

Description This is the BEST app to learn about Resistors and Circuit Resistance (Equivalent Resistance). This virtual lab provides an excellent environment for anyone who is interested in understanding series and parallel resistors, learning how to measure voltages across resistors, current through series and parallel circuits and solving simple circuits. Features - VERY SIMPLE and EASY TO USE, with up to eight component sections. - Component sections can easily be configured from five different types. - VIRTUAL "Hands On" experience using volt and amp meters. - Resistor values can easily be changed with a picker, keypad or using randomize button. - Circuit voltage can easily be changed from 1 to 1000 volts with a picker or a keypad. - The "Basics" screen make this app unique for the simplicity and speed of seeing the effects of "Opens" (resistor component with infinite resistance) and "Shorts" (resistor component with zero resistance). - FREE and NO ADVERTISEMENTS. - The circuit is always "LIVE" and immediately shows voltage, current and circuit resistance with any changes made to the circuit.

About

Electronic Circuit Calculator

This app provides a comprehensive suite of calculators and design tools for electronic engineering. It assists with circuit design, filter analysis, and component calculations for resistors, capacitors, and inductors. Ideal for both professionals and students, it simplifies complex electronic projects.

Highlights
  • Comprehensive calculator collection
  • Filter design with graph plotting
  • Resistor, transistor, capacitor design tools
  • Amplifier and inductor design
  • Circuit analysis and design
  • Offline functionality
Features
Read full description

Electronic Circuit Calculator is a powerful electronics toolkit combining circuit calculators, circuit analysis, design tools, and interactive simulations in one app. Built for electronics and electrical engineering students, hobbyists, technicians, and engineers, it helps you calculate, analyze, design, and explore electronic circuits. CIRCUIT ANALYSIS & THEORY • Thevenin Theorem • Norton Theorem • Kirchhoff’s Current Law (KCL) • Kirchhoff’s Voltage Law (KVL) • Nodal Analysis • Mesh Analysis • Ohm’s Law • Voltage Divider • Series and Parallel Circuits • RLC Resonance INTERACTIVE CIRCUIT SIMULATIONS Explore electronics with interactive simulations that help you understand circuit behavior. • Buck Converter Simulation • Boost Converter Simulation • Sawtooth Generator Circuit • AND, OR, NAND and NOR Gate Simulations • Shift Register Simulations • Multiplexer (MUX) • Demultiplexer (DEMUX) • Counter IC • PISO and SIPO Simulations POWER ELECTRONICS • Buck Converter Calculator • Boost Converter Calculator • Buck and Boost Simulations DIGITAL ELECTRONICS • Karnaugh Map • Decimal to Binary Converter • Logic Gate Simulations • Multiplexer and Demultiplexer • Counter IC • Shift Registers • PISO and SIPO OP AMP & ANALOG ELECTRONICS • Inverting Amplifier • Non-Inverting Amplifier • Differential Amplifier • Summing Amplifier • Integrator • Differentiator • Comparator • Schmitt Trigger TRANSISTOR, MOTOR & AMPLIFIER TOOLS • Transistor Amplifier Calculator • Transistor Design Tools • Motor Calculations • Stepper Motor Tools • Servo Motor Tools • Power Dissipation FILTER DESIGN • Sallen-Key Active Filters • Butterworth Filters • Chebyshev Filters • Bessel Filters • Band-Pass Filters • Band-Reject Filters • Crossover Filters Graphical visualization is available for supported filter calculations. RESISTOR, CAPACITOR & INDUCTOR TOOLS • Resistor Colour Code • SMD Resistor Code • Resistors in Series and Parallel • Resistor Ratio • LED Series Resistor • Star-Delta / Delta-Star Converter • Pi, Tee and Bridged-Tee Attenuators • Capacitors in Series and Parallel • Capacitor Charge • Capacitor Code • Capacitive Reactance • Inductive Reactance • Inductor Design OTHER ELECTRONICS TOOLS • 555 Timer — Astable and Monostable • Adjustable Voltage Regulator • PCB Trace Width Calculator • Microstrip Trace Width and Impedance • Skin Depth • Coaxial Cable Impedance • Power Calculator • Decibel Converter • Decibel to Watt and Watt to Decibel Electronic Circuit Calculator is useful for circuit analysis, circuit theory, electronic design, electrical calculations, digital electronics, power electronics, filter design, transistor calculations, op amp calculations, and electronics engineering study. Whether you are solving Thevenin, Norton, KCL, KVL, nodal or mesh problems, designing filters and amplifiers, or experimenting with digital ICs and converter simulations, the app brings your essential electronics tools together in one place. Calculate circuits. Analyze networks. Simulate electronics. Learn by interacting.

Screenshots

Simple Circuit Builder4 screens
Electronic Circuit Calculator4 screens

Verdict

The call

Simple Circuit Builder and Electronic Circuit Calculator both sit at 4.0 stars, but that hides the real split: 53% of Simple Circuit Builder's written reviews are positive against 14% of Electronic Circuit Calculator's. Simple Circuit Builder also leads on in-app purchases (none vs 1) and ads (none vs shown). On price, rating, monetization model 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. Electronic Circuit Calculator sells 1 one-off in-app purchase. Simple Circuit Builder asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.0 for Simple Circuit Builder against 4.0 for Electronic Circuit Calculator. That said, the two scores are not equally well evidenced: Simple Circuit Builder has 28 ratings behind it against 5, so its average is the more settled of the two. Written reviews are what separate them: 53% of Simple Circuit Builder's written reviews are positive against 14% of Electronic Circuit Calculator's.

UpkeepUpdate frequency

Simple Circuit Builder ships an update every 3 weeks, Electronic Circuit Calculator every 2 months. The most recent releases landed on October 1, 2026 and October 13, 2026 respectively.

Scorecard5 real differences · 5 level
Simple Circuit Builder versus Electronic Circuit Calculator: the parameters behind the verdict, then further details
ParameterSimple Circuit BuilderElectronic Circuit Calculator
PriceFreeFree
Rating4.0 (28 ratings)4.0 (5 ratings)
Positive reviews52.6% of reviews — better14.3% of reviews
Number of ratings28 — better5
Update frequencyEvery 3 weeks — betterEvery 2 months
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationFreeFree
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS14.0 — better15.0
Further details — not scored
Size14 MB37 MB
Age rating4+4+
DeveloperDavid WhiteAnas Abubakar

Customer experience

Simple Circuit Builder

All ratings28 ratings
Positive71.4%
Neutral7.1%
Negative21.4%
Written reviews19 reviews
Positive52.6%
Neutral5.3%
Negative42.1%

Electronic Circuit Calculator

All ratings5 ratings
Positive80.0%
Neutral0.0%
Negative20.0%
Written reviews7 reviews
Positive14.3%
Neutral14.3%
Negative71.4%

In-app purchases

None

Simple Circuit Builder

No in-app purchases

1 purchases

Electronic Circuit Calculator

One-time1
  • Upgrade to the Pro version$2.99

Questions

Is Simple Circuit Builder free?
Simple Circuit Builder is free to download, with no in-app purchases.
Is Electronic Circuit Calculator free?
Electronic Circuit Calculator is free to download, with in-app purchases available.
Which has better reviews, Simple Circuit Builder or Electronic Circuit Calculator?
Simple Circuit Builder and Electronic Circuit Calculator are both rated 4.0 out of 5 on the App Store, from 28 and 5 ratings respectively.
Do Simple Circuit Builder or Electronic Circuit Calculator have ads?
Electronic Circuit Calculator shows ads; Simple Circuit Builder does not.
Which is updated more often, Simple Circuit Builder or Electronic Circuit Calculator?
Simple Circuit Builder ships an update every 3 weeks, and Electronic Circuit Calculator every 2 months. Most recently, Simple Circuit Builder was updated on October 1, 2026 and Electronic Circuit Calculator on October 13, 2026.

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