Electronics Tools & Calc Pro vs Digital Electronics Guide
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Electronics Tools & Calc Pro
This app serves as a pocket electronics lab, offering a comprehensive reference for components and circuits. It simplifies complex calculations for filters, inductors, and various circuit configurations, aiding engineers and hobbyists in their designs.
- Electronic component reference
- Electronic circuit reference
- Filter calculation tools
- Inductor winding calculators
- Resistor and capacitor calculations
- Ohm's Law calculator
- AC/DC 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 Guide
This app serves as a comprehensive reference for digital electronics, covering essential theory and practical guides. It's designed for students, engineers, and hobbyists to learn and prototype digital circuits with ease. Features include detailed information on logic gates, IC families, and various digital components.
- Logic gate tutorials
- IC reference data (TTL 7400, CMOS 4000)
- Digital circuit design and prototyping
- Covers counters, flip-flops, and more
- Available in 14 languages
- Detailed tutorials and references
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Digital Electronics Guide is a powerful reference tool for electronics students, engineers, and hobbyists. Whether you're just starting out or already experienced, this app helps you design, learn, and prototype with ease. It combines essential theory with practical guides and covers key digital electronics topics, including logic gates, counters, flip-flops, and IC reference data. The app also features detailed information on popular digital IC families such as TTL 7400 and CMOS 4000 series. Perfect for quick learning or as a companion for working on electronic circuits and digital systems. Available in 14 Languages: • English, French, German, Indonesian, Italian, Japanese, Polish, Portuguese, Russian, Simplified Chinese, Spanish, Turkish, Ukrainian, and Vietnamese — study in your native language! The app includes detailed tutorials and references for: • Basic logic • Families of digital chips • Universal logic elements • Elements with Schmitt trigger • Buffer elements • Flip-flops • Registers • Counters • Adders • Multiplexers • Decoders and demultiplexers • 7-segment LED drivers • Encryptors • Digital comparators • Astable CMOS Oscillators • Monostable CMOS Oscillators • Bistable CMOS Oscillators • Gated CMOS Oscillators • TTL Oscillators • 7400 series ICs • 4000 series ICs Whether you're learning, teaching, or building real-world digital circuits, Digital Electronics Pro is your trusted companion every step of the way.
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Verdict
Electronics Tools & Calc Pro and Digital Electronics Guide both sit at 5.0 stars, but that hides the real split: 100% of Digital Electronics Guide's written reviews are positive against 50% of Electronics Tools & Calc Pro's. Digital Electronics Guide also leads on price (Free vs $4.99) and update cadence (every 5 weeks vs every 5 months). Electronics Tools & Calc Pro's advantage is ads (none vs shown). On rating, ratings volume, in-app purchases 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
Digital Electronics Guide is free to download; Electronics Tools & Calc Pro costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 5.0 for Electronics Tools & Calc Pro against 5.0 for Digital Electronics Guide. Both are backed by a comparable volume of ratings — 5 and 2 respectively. Written reviews are what separate them: 50% of Electronics Tools & Calc Pro's written reviews are positive against 100% of Digital Electronics Guide's.
Electronics Tools & Calc Pro ships an update every 5 months, Digital Electronics Guide every 5 weeks. The most recent releases landed on September 27, 2026 and August 27, 2026 respectively.
| Parameter | Electronics Tools & Calc Pro | Digital Electronics Guide |
|---|---|---|
| Price | $4.99 | Free — better |
| Rating | 5.0 (5 ratings) | 5.0 (2 ratings) |
| Positive reviews | 50.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 5 — better | 2 |
| Update frequency | Every 5 months | Every 5 weeks — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Paid | Ad-supported — better |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 58 MB | 24 MB |
| Age rating | 4+ | 4+ |
| Developer | Anas Abubakar | ALG Software Lab |
Customer experience
Electronics Tools & Calc Pro
Digital Electronics Guide
In-app purchases
Electronics Tools & Calc Pro
No in-app purchases
Digital Electronics Guide
No in-app purchases
Questions
Is Electronics Tools & Calc Pro free?
Is Digital Electronics Guide free?
Which has better reviews, Electronics Tools & Calc Pro or Digital Electronics Guide?
Do Electronics Tools & Calc Pro or Digital Electronics Guide have ads?
Which is updated more often, Electronics Tools & Calc Pro or Digital Electronics Guide?
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