Comparison

Electronic Circuit Calculator vs Repa RDC

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

Head to head
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.

About

Repa RDC

Features
Read full description

REPA est une application moderne qui simplifie totalement l’accès aux services techniques. En quelques clics, vous trouvez un technicien qualifié, vérifié et proche de vous pour tous vos besoins de réparation, d’installation ou de maintenance. Simple, rapide et sécurisé, REPA met l’innovation au service de votre confort.]

Screenshots

Electronic Circuit Calculator4 screens
Repa RDC3 screens

Verdict

The call

The clearest difference is in-app purchases: Repa RDC at none against Electronic Circuit Calculator's 1. Repa RDC also leads on ads (none vs shown) and update cadence (every 2 weeks vs every 2 months). On price, 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

Both are free to download. Electronic Circuit Calculator sells 1 one-off in-app purchase. Repa RDC asks for nothing beyond the download.

UpkeepUpdate frequency

Electronic Circuit Calculator ships an update every 2 months, Repa RDC every 2 weeks. The most recent releases landed on October 13, 2026 and October 10, 2026 respectively.

Scorecard3 real differences · 7 level
Electronic Circuit Calculator versus Repa RDC: the parameters behind the verdict, then further details
ParameterElectronic Circuit CalculatorRepa RDC
PriceFreeFree
Rating4.0 (5 ratings) — better—
Positive reviews14.3% of reviews—
Number of ratings5 — better—
Update frequencyEvery 2 monthsEvery 2 weeks — better
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.015.0
Further details — not scored
Size37 MB75 MB
Age rating4+4+
DeveloperAnas AbubakarEly Kikuni

In-app purchases

1 purchases

Electronic Circuit Calculator

One-time1
  • Upgrade to the Pro version$2.99
None

Repa RDC

No in-app purchases

Questions

Is Electronic Circuit Calculator free?
Electronic Circuit Calculator is free to download, with in-app purchases available.
Is Repa RDC free?
Repa RDC is free to download, with no in-app purchases.
Do Electronic Circuit Calculator or Repa RDC have ads?
Electronic Circuit Calculator shows ads; Repa RDC does not.
Which is updated more often, Electronic Circuit Calculator or Repa RDC?
Electronic Circuit Calculator ships an update every 2 months, and Repa RDC every 2 weeks. Most recently, Electronic Circuit Calculator was updated on October 13, 2026 and Repa RDC on October 10, 2026.

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