Comparison

Electronics Tools & Calculator vs Circuit Simulator

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

Head to head
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.

About

Circuit Simulator

Design and simulate electronic and digital circuits in real-time. Visualize voltage and current flow, and analyze circuit behavior with tools like oscilloscopes and multimeters. Offers a user-friendly experience for circuit design and digital electronic analysis.

Highlights
  • Real-time electronic circuit simulation
  • Digital circuit simulation
  • Voltage and current analysis
  • Multichannel oscilloscope
  • Multimeter tools
  • Circuit design and tuning
Features
Read full description

VoltSim is a realtime electronic circuit simulator like Multisim, SPICE, LTspice, Altium or Proto for circuit design with a better user experience. VoltSim is a complete circuit app in which you can design circuits with various components and simulate an electric or digital circuit. During simulation you can check voltage, current and many other variables. Check signals on multichannel oscilloscope or multimeter and tune your circuit in real time! You can also use VoltSim as logic circuit simulator and perform digital electronic analysis! This app will help you visualize how the voltage varies across the circuit and how current flows through it. T&C: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Electronics Tools & Calculator4 screens
Circuit Simulator4 screens

Verdict

The call

The clearest difference is review sentiment: Circuit Simulator at 73% against Electronics Tools & Calculator's 17%. Circuit Simulator also leads on rating (4.7 vs 4.0) and ads (none vs shown). Electronics Tools & Calculator's advantage is in-app purchases (none vs 8). On price, update cadence, 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. Circuit Simulator sells 8 in-app purchases, starting at $0.99 per month. Electronics Tools & Calculator asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Circuit Simulator holds the better App Store score, 4.7 against 4.0. Both are backed by a comparable volume of ratings — 16 and 72 respectively. Written reviews point the same way: 17% of Electronics Tools & Calculator's written reviews are positive against 73% of Circuit Simulator's.

UpkeepUpdate frequency

Electronics Tools & Calculator ships an update every 2 months, Circuit Simulator every 6 weeks. The most recent releases landed on September 9, 2026 and September 20, 2026 respectively.

Scorecard6 real differences · 4 level
Electronics Tools & Calculator versus Circuit Simulator: the parameters behind the verdict, then further details
ParameterElectronics Tools & CalculatorCircuit Simulator
PriceFreeFree
Rating4.0 (16 ratings)4.7 (72 ratings) — better
Positive reviews16.7% of reviews72.7% of reviews — better
Number of ratings1672 — better
Update frequencyEvery 2 monthsEvery 6 weeks — better
AdsYesNo — better
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.0 — better15.3
Further details — not scored
Size63 MB103 MB
Age rating4+4+
DeveloperAnas AbubakarSindhu Gopi

Customer experience

Electronics Tools & Calculator

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

Circuit Simulator

All ratings72 ratings
Positive93.1%
Neutral2.8%
Negative4.2%
Written reviews11 reviews
Positive72.7%
Neutral9.1%
Negative18.2%

In-app purchases

None

Electronics Tools & Calculator

No in-app purchases

8 purchases

Circuit Simulator

Subscriptions1
  • Extensions Subscription$0.991 Month
One-time7
  • Sensors Extension$0.99
  • Custom Chips Extension$1.99
  • Instruments extension$2.99
Show 4 more
  • Analog Extension$3.99
  • Misc Extension$3.99
  • Digital Extension$3.99
  • Extension Pack$12.99

Questions

Is Electronics Tools & Calculator free?
Electronics Tools & Calculator is free to download, with no in-app purchases.
Is Circuit Simulator free?
Circuit Simulator is free to download, with in-app purchases available.
Which has better reviews, Electronics Tools & Calculator or Circuit Simulator?
Circuit Simulator is rated higher. Electronics Tools & Calculator averages 4.0 out of 5 from 16 ratings, while Circuit Simulator averages 4.7 from 72 ratings.
Do Electronics Tools & Calculator or Circuit Simulator have ads?
Electronics Tools & Calculator shows ads; Circuit Simulator does not.
Which is updated more often, Electronics Tools & Calculator or Circuit Simulator?
Electronics Tools & Calculator ships an update every 2 months, and Circuit Simulator every 6 weeks. Most recently, Electronics Tools & Calculator was updated on September 9, 2026 and Circuit Simulator on September 20, 2026.

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