Electronics Tools & Calculator vs Digital Electronics+
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+
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Master Digital Electronics with Fun and Engaging Quizzes! Dive into the world of Digital Electronics with our comprehensive quiz app, designed to boost your knowledge, confidence, and skills. Whether you're a student, practitioner, or just exploring the field, this app is your ultimate companion for learning and growth. Topics Covered: Number Systems and Codes: - Binary, Octal, Decimal, Hexadecimal systems - Binary arithmetic - Signed numbers, 1’s and 2’s complement - Gray code, BCD, ASCII Logic Gates and Boolean Algebra: - Basic gates: AND, OR, NOT, NAND, NOR, XOR, XNOR - Truth tables and logic symbols - Boolean expressions - Laws and theorems of Boolean algebra - DeMorgan’s Theorems Simplification Techniques: - Karnaugh Maps (K-maps) - Quine-McCluskey method - Logic minimization for combinational circuits Combinational Logic Circuits: - Adders, subtractors, comparators - Multiplexers, demultiplexers - Encoders, decoders - Logic implementation using gates Arithmetic Logic Circuits: - Binary adders and subtractors (half and full) - Carry-lookahead adder - ALU basics Flip-Flops and Latches: - SR, D, JK, T flip-flops - Edge-triggered and level-triggered circuits - Master-slave configurations Sequential Logic Circuits: - Counters (asynchronous, synchronous, up/down) - Shift registers - Timing diagrams - Applications of sequential logic Clocking and Timing Analysis: - Clock signals and waveforms - Propagation delay, setup and hold time - Metastability Finite State Machines (FSMs): - Moore and Mealy machines - State diagrams and tables - Design and implementation of FSMs Memory and Storage Devices: - RAM (SRAM, DRAM), ROM, EEPROM, Flash - Memory organization and interfacing - Address decoding Programmable Logic Devices: - PLAs, PALs, GALs - Field-Programmable Gate Arrays (FPGAs) - CPLDs and their applications Digital System Design with VHDL/Verilog: - Introduction to Hardware Description Languages - Basic syntax and structure - Combinational and sequential modeling - Simulation and synthesis Data Converters: - Digital-to-Analog Converters (DACs) - Analog-to-Digital Converters (ADCs) - Performance parameters (resolution, accuracy, speed) Timing and Clock Management: - Crystal oscillators and clock generators - Phase-Locked Loops (PLLs) - Clock distribution techniques Practical Applications and Case Studies: - Digital electronics in embedded systems - Industrial automation and control - Digital communication systems - Sample real-world project implementations Features You'll Love: - Adaptive Quizzes: Questions tailored to your skill level, ensuring a personalized learning experience. - Detailed Explanations: Learn as you go with in-depth answers and references. - Timed Challenges: Test your speed and accuracy under time pressure for an extra thrill. - Progress Tracking: Keep tabs on your improvement with detailed analytics and reports. - User-Friendly Design: Intuitive interface for smooth navigation and focus. Who is it for? - Digital Electronics students preparing for exams. - Professionals brushing up on their knowledge. - Anyone interested in understanding the principles of Digital Electronics. Download now and make learning Digital Electronics enjoyable and effective! Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://forwaelade.web.app/DigitalElectronics/privacy-policy
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Verdict
The clearest difference is in-app purchases: Electronics Tools & Calculator at none against Digital Electronics+'s 6. Electronics Tools & Calculator also leads on update cadence (every 2 months vs every 6 months) and iOS requirement (15.0 vs 17.0). Digital Electronics+'s advantage is ads (none vs shown). On price 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+ sells 6 in-app purchases, starting at $9.99 per month. Electronics Tools & Calculator asks for nothing beyond the download.
Electronics Tools & Calculator ships an update every 2 months, Digital Electronics+ every 6 months. The most recent releases landed on September 9, 2026 and September 11, 2026 respectively.
| Parameter | Electronics Tools & Calculator | Digital Electronics+ |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (16 ratings) — better | — |
| Positive reviews | 16.7% of reviews | — |
| Number of ratings | 16 — better | — |
| Update frequency | Every 2 months — better | Every 6 months |
| Ads | Yes | No — better |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 63 MB | 24 MB |
| Age rating | 4+ | 4+ |
| Developer | Anas Abubakar | Forwa Elade Wunde |
In-app purchases
Electronics Tools & Calculator
No in-app purchases
Digital Electronics+
- 1 Month$9.991 Month
- 6 Months$19.996 Months
- 1 Year$29.991 Year
- 1500$0.99
- 3500$1.99
- 9000$3.99
Questions
Is Electronics Tools & Calculator free?
Is Digital Electronics+ free?
Do Electronics Tools & Calculator or Digital Electronics+ have ads?
Which is updated more often, Electronics Tools & Calculator or Digital Electronics+?
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