Electronics Tools & Calculator vs Electronic Devices Quiz
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
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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.
Electronic Devices Quiz
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Electronic devices quiz app with free download to install complete electronics app (iOS) to practice 800+ electronics devices quiz based MCQs. "Electronic Devices Quiz" app with trivia questions and answers for engineering college students to download electronic devices MCQs with self-assessment tests. "Electronic Devices Notes" learning app with answers key helps to practice test questions for online virtual classroom exam on iOS smartphones. Complete electronic devices quiz app for online degree programs covers basic and advance engineering school course with trivia quizzes. "Electronic Devices Revision" app, a quick study guide for electronics engineering students is an educational tool for beginners' learning and distance education with electronics textbook course as: Chapter 1: Bipolar junction transistors quiz Chapter 2: BJT amplifiers quiz Chapter 3: Diode applications quiz Chapter 4: FET amplifiers quiz Chapter 5: Field effect transistors quiz Chapter 6: Oscillators quiz Chapter 7: Programmable analog arrays quiz Chapter 8: Semiconductor basics quiz Chapter 9: Special purpose diodes quiz Chapter 10: Transistor bias circuits quiz Chapter 11: Types and characteristics of diodes quiz Download "Bipolar Junction Transistors Quiz" app to install revision notes with MCQs: Transistor characteristics and parameters, transistor structure, collector characteristic curve, derating power, maximum transistors rating, transistor as an amplifier, and transistor as switch. Download "BJT Amplifiers Quiz" app to install revision notes with MCQs: Amplifier operation, common base amplifier, common collector amplifier, common emitter amplifier, multistage amplifiers circuit, multistage amplifiers theory, and transistor AC equivalent circuits. Download "FET Amplifiers Quiz" app to install revision notes with MCQs: FET amplification, common drain amplifier, common gate amplifier, and common source amplifier. Download "Field Effect Transistors Quiz" app to install revision notes with MCQs: Introduction to FETs, JFET characteristics, JFET biasing, JFET characteristics and parameters, junction gate field effect transistor, metal oxide semiconductor field effect transistor, MOSFET biasing, MOSFET characteristics, and parameters. Download "Oscillators Quiz" app to install revision notes with MCQs: Oscillators with LC feedback circuits, oscillators with RC feedback circuits, 555 timer as oscillator, feedback oscillator principles, introduction of 555 timer, introduction to oscillators, LC feedback circuits and oscillators, RC feedback circuits and oscillators, and relaxation oscillators. Download "Semiconductor Basics Quiz" app to install revision notes with MCQs: Types of semiconductors, conduction in semiconductors, n-type and p-type semiconductors, atomic structure, calculation of electrons, charge mobility, covalent bond, energy bands, energy gap, Hall Effect, and intrinsic concentration. Download "Special Purpose Diodes Quiz" app to install revision notes with MCQs: Laser diode, optical diodes, pin diode, current regulator diodes, photodiode, step recovery diode, temperature coefficient, tunnel diode, Zener diode applications, Zener diode: basic operation and applications, Zener equivalent circuit, Zener power dissipation, and derating. Download "Transistor Bias Circuits Quiz" app to install revision notes with MCQs: Bias methods, DC operating points, and voltage divider bias. Download "Types and Characteristics of Diodes Quiz" app to install revision notes with MCQs: Biasing a diode, characteristics curves, diode models, introduction to diodes, testing a diode, typical diodes, and voltage characteristics of diode. "Electronic Devices MCQ" app helps to solve electronics multiple choice questions from every chapter, comparing with answer key after every 10 random trivia quiz questions. Looking forward to provide best user experience through electronic devices application!
Screenshots
Verdict
The clearest difference is in-app purchases: Electronics Tools & Calculator at none against Electronic Devices Quiz's 7. Electronic Devices Quiz's advantage is update cadence (every 3 weeks vs every 6 weeks) and iOS requirement (12.0 vs 15.0). On price, 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
Both are free to download. Electronic Devices Quiz sells 7 in-app purchases, starting at $4.99 per month. Electronics Tools & Calculator asks for nothing beyond the download.
Electronics Tools & Calculator ships an update every 6 weeks, Electronic Devices Quiz every 3 weeks. The most recent releases landed on September 27, 2026 and September 7, 2026 respectively.
| Parameter | Electronics Tools & Calculator | Electronic Devices Quiz |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (16 ratings) — better | — |
| Positive reviews | 16.7% of reviews | — |
| Number of ratings | 16 — better | — |
| Update frequency | Every 6 weeks | Every 3 weeks — better |
| Ads | Yes | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 63 MB | 68 MB |
| Age rating | 4+ | 4+ |
| Developer | Anas Abubakar | Arshad Iqbal |
In-app purchases
Electronics Tools & Calculator
No in-app purchases
Electronic Devices Quiz
- 1 Month Package3 Days trial$4.991 Month
- 3 Months Package7 Days trial$9.993 Months
- 6 Months Package3 Days trial$14.996 Months
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- 1 Year Package7 Days trial$19.991 Year
- 1500 Coins$0.99
- 3500 Coins$1.99
- 6000 Coins$2.99
Questions
Is Electronics Tools & Calculator free?
Is Electronic Devices Quiz free?
Do Electronics Tools & Calculator or Electronic Devices Quiz have ads?
Which is updated more often, Electronics Tools & Calculator or Electronic Devices Quiz?
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