Electronics Tools & Calculator vs Digital Electronics 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.
Digital Electronics Quiz
Practice over 1400 digital electronics multiple-choice questions covering a wide range of topics. This app serves as a self-assessment tool and quick study guide for engineering students, offering comprehensive notes and practice tests.
- 1400+ digital electronics MCQs
- Self-assessment tests
- Quick study guide
- Covers basic and advanced topics
- Chapter-wise quizzes
- Revision notes
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Digital electronics quiz app with free download to install complete electronics app (iOS) to practice 1400+ digital electronics quiz based MCQs. "Digital Electronics Quiz" app with trivia questions and answers for engineering college students to download digital electronics MCQs with self-assessment tests. "Digital Electronics Notes" learning app with answers key helps to practice test questions for online virtual classroom exam on iOS smartphones. Complete digital electronics quiz app for online degree programs covers basic and advance engineering school course with trivia quizzes. "Digital Electronics Revision" app is a quick study guide, an educational tool for students, beginners' learning and distance education with electronics textbook course as: Chapter 1: Analog to digital converters quiz Chapter 2: BICMOS digital circuits quiz Chapter 3: Bipolar junction transistors quiz Chapter 4: BJT advanced technology dynamic switching quiz Chapter 5: BJT digital circuits quiz Chapter 6: CMOS inverters quiz Chapter 7: CMOS logic gates circuits quiz Chapter 8: Digital logic gates quiz Chapter 9: Dynamic logic circuits quiz Chapter 10: Emitter coupled logic (ECL) quiz Chapter 11: Encoders and decoders quiz Chapter 12: Gallium arsenide digital circuits quiz Chapter 13: Introduction to digital electronics quiz Chapter 14: Latches and flip flops quiz Chapter 15: MOS digital circuits quiz Chapter 16: Multivibrators circuits quiz Chapter 17: Number systems quiz Chapter 18: Pass transistor logic circuits quiz Chapter 19: Pseudo NMOS logic circuits quiz Chapter 20: Random access memory cells quiz Chapter 21: Read only memory ROM quiz Chapter 22: Semiconductor memories quiz Chapter 23: Sense amplifiers and address decoders quiz Chapter 24: Spice simulator quiz Chapter 25: Transistor transistor logic (TTL) quiz Download "Analog to Digital Converters Quiz" app to install revision notes with MCQs: Digital to analog converter, and seven segment display. Download "BICMOS Digital Circuits Quiz" app to install revision notes with MCQs: Introduction to BICMOS, BICMOS inverter, and dynamic operation. Download "Bipolar Junction Transistors Quiz" app to install revision notes with MCQs: Basic transistor operation, collector characteristic curves, current and voltage analysis, DC load line, derating PD maximum, maximum transistor rating, transistor as amplifier, transistor characteristics and parameters, transistor regions, transistor structure, and switches. Download "CMOS Inverters Quiz" app to install revision notes with MCQs: Circuit structure, CMOS dynamic operation, CMOS dynamic power dissipation, CMOS noise margin, and CMOS static operation. Download "Digital Logic Gates Quiz" app to install revision notes with MCQs: NAND NOR and NXOR gates, applications of gate, building gates from gates, electronics: and gate, electronics: OR gate, gate basics, gates with more than two inputs, masking in logic gates, negation, and XOR gates. Download "Encoders and Decoders Quiz" app to install revision notes with MCQs: Counter, decoder applications, decoder basics, decoding and encoding, encoder applications, encoder basics. Download "Introduction to Digital Electronics Quiz" app to install revision notes with MCQs: Combinational and sequential logic circuits, construction, digital and analog signal, digital circuits history, digital electronics basics, digital electronics concepts, digital electronics design, digital electronics fundamentals, electronic gates, FIFO and LIFO, history of digital electronics, properties, register transfer systems, RS 232, RS 233, serial communication introduction, structure of digital system, synchronous and asynchronous sequential systems. "Digital Electronics 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 digital electronics application!
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Verdict
The clearest difference is rating: Digital Electronics Quiz at 5.0 against Electronics Tools & Calculator's 4.0. Digital Electronics Quiz also leads on update cadence (every 3 weeks vs every 2 months) and iOS requirement (12.0 vs 15.0). Electronics Tools & Calculator's advantage is in-app purchases (none vs 7) and ratings volume (16 vs 3). 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. Digital Electronics Quiz sells 7 in-app purchases, starting at $4.99 per month. Electronics Tools & Calculator asks for nothing beyond the download.
Digital Electronics Quiz holds the better App Store score, 5.0 against 4.0. That said, the two scores are not equally well evidenced: Electronics Tools & Calculator has 16 ratings behind it against 3, so its average is the more settled of the two.
Electronics Tools & Calculator ships an update every 2 months, Digital Electronics Quiz every 3 weeks. The most recent releases landed on September 9, 2026 and June 4, 2026 respectively.
| Parameter | Electronics Tools & Calculator | Digital Electronics Quiz |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (16 ratings) | 5.0 (3 ratings) — better |
| Positive reviews | 16.7% of reviews | — |
| Number of ratings | 16 — better | 3 |
| Update frequency | Every 2 months | Every 3 weeks — better |
| Ads | Yes | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| 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 |
Customer experience
Electronics Tools & Calculator
Digital Electronics Quiz
In-app purchases
Electronics Tools & Calculator
No in-app purchases
Digital Electronics 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 Digital Electronics Quiz free?
Which has better reviews, Electronics Tools & Calculator or Digital Electronics Quiz?
Do Electronics Tools & Calculator or Digital Electronics Quiz have ads?
Which is updated more often, Electronics Tools & Calculator or Digital Electronics Quiz?
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