# Electronic Circuits Calc Pro — Electronic Engineering Toolkit > Electronic Engineering Toolkit (iPhone/iPad app by ALG Software Lab.) - Source: https://appshunter.io/ios/app/electronic-circuits-calc-pro/id1658493129 (this page in markdown: same URL + `.md`) - Developer: [ALG Software Lab](https://appshunter.io/developer/1650561236) - Category: Utilities, Reference - Price: $4.99 - Age rating: 4+ - Requires: iOS 16.0 · 19 MB - Languages: American English, French (France), German (Germany), Indonesian, Italian, Japanese, Polish, European Portuguese, Russian, Chinese (Simplified, China) and 4 more - Released: 2022-12-08 - Data updated: 2026-08-22 - User reviews in markdown: https://appshunter.io/ios/app/electronic-circuits-calc-pro/id1658493129/reviews.md ## What is Electronic Circuits Calc Pro? Electronic Circuits Calc Pro is your ultimate electronics toolkit — featuring over 130 calculators, circuit tools, and guides for beginners and professionals alike. Perfect for electronics enthusiasts, students, hobbyists, and engineers alike, Electronic Circuits Calculator Pro is a powerful reference tool covering essential electronics concepts, components, and circuit design. Whether you're just getting started or need a quick calculation on the go, this app has you covered. Key Features: • Interactive calculators for circuits • Step-by-step explanations and formulas • Ideal for learning, prototyping, or quick checks • Full-text search for instant access to any topic • Designed for both light & dark modes 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! Categories Included: Basic calculators • Ohm's Law • Power, voltage and current • Resistive voltage divider • Wheatstone Bridge • RC circuit time constant • Battery Life • Additional resistor for voltmeter • Shunt resistor for ammeter Resistors • Resistor color codes • SMD resistor codes • EIA-96 Encoding • Standard values finder for resistor • Series resistors • Parallel resistors • E series Capacitors • Ceramic disc capacitors codes • Film capacitors codes • Capacitor working voltage codes • Film capacitors colour codes • SMD Tantalum electrolytic capacitors codes • Series capacitors • Parallel capacitors Inductors • Inductor color codes • SMD inductors codes • Series inductors Diodes • Diodes • Rectifier diodes • Signal diodes • Schottky diode • Tunnel diode • Varicap • Zener diode Transistors • Bipolar transistors • Metal-Oxide-Semiconductor Field-Effect Transistor • Junction Field-Effect Transistor • Unijunction transistor • Insulated gate bipolar transistor • Darlington transistor pair Thyristors • Thyristors • Gate Turn-Off Thyristor • TRIAC • DIAC • IGCT thyristor • MOS-Controlled Thyristor • Programmable unijunction transistor PowerSupplies • AC parameters and rectified value • Half-wave rectifier • Full-wave rectifier • Bridge rectifier • Capacitive power supply • Power source internal resistance • Symmetrical voltage doubling rectifier circuit • Three-Phase Half-Wave Rectifier • Three-phase bridge rectifier • Voltage multiplier Voltage and current regulators • LM317 Voltage regulator calculator • Bipolar voltage regulator for LM317 and LM337 • LM317 Current Source calculator • Zener reference voltage source • Thermally compensated voltage reference • Calculation of the stabilizer on TL431 • The TL431 stabilizer with additional transistor LED • Introduction of LEDs • LED Single Resistor calculator • LED Series Resistor calculator • LED Parallel Resistor calculator • 7-segment LED display • Decoder (driver) for 7-segment displays CD4511 Photocells • Photodiode • Photoresistor • Phototransistor • Optocoupler OP • Non-Inverting OP Amplifer Gain calculator • Inverting OP Amplifier Gain calculator • Inverting amplifier with T-bridge in feedback • Inverting summing OP Amplifier • Differential OP amplifier • OP Voltage integrator • OP Voltage Differentiator • OP Voltage comparator Frequency • Capacitor reactance • Reactance of an inductance coil • Gain conversion to decibels • dBm to Watts conversion • T-Attenuator • Pi-Attenuator • L-Attenuator • Bridged T-Attenuator • Capacitive AC Voltage Divider • Inductive Voltage Divider • Frequency and wavelengths Filters • RC Pass Filter • RC Band pass filter • RL filter • LC Pass Filter Timers • Astable multivibrator • Monostable (waiting) multivibrator • Bistable multivibrator • Multivibrator with additional diodes • NE555 Astable Multivibrator • NE555 Monostable Multivibrator Logic gates: - AND. OR, NOT, NAND, NOR, XOR, XNOR The application is being actively developed and supplemented with new calculators. Keep for updates! ## Version history (last 5 releases) ### 3.8 — 2026-08-20 Updated content and libraries. Fixed some bugs. ### 3.7 — 2026-08-17 Updated content and libraries. New UI design for iPad. ### 3.6 — 2026-05-27 Updated content and libraries. Added new themes: • Voltage Reference Sources • Voltage Regulator ICs ### 3.5 — 2026-03-03 We’ve expanded our content with 3 new languages! The app is now available in 14 languages: • English, • French, • German, • Indonesian, • Italian, • Japanese, • Polish, • Portuguese, • Russian, • Simplified Chinese, • Spanish, • Turkish, • Ukrainian, • Vietnamese — making it more accessible than ever. ### 3.4 — 2026-02-13 Updated content and libraries. ## Apps similar to Electronic Circuits Calc Pro | App | Rating | Price | Category | | --- | --- | --- | --- | | [RC Circuit](https://appshunter.io/ios/app/rc-circuit/id824460716) | 4.8 (5) | Free | Utilities | | [Audio Function Generator](https://appshunter.io/ios/app/audio-function-generator/id768229610) | 4.7 (2,183) | Free | Utilities | | [Arduino IoT Cloud Remote](https://appshunter.io/ios/app/arduino-iot-cloud-remote/id1514358431) | 4.6 (423) | Free | Utilities | | [Electrical Calculator lite](https://appshunter.io/ios/app/electrical-calculator-lite/id922903696) | 4.6 (574) | Free | Utilities | | [Resistance Color Calculator](https://appshunter.io/ios/app/resistance-color-calculator/id6472942572) | 4.9 (60) | Free | Utilities | | [Blynk IoT](https://appshunter.io/ios/app/blynk-iot/id1559317868) | 4.5 (819) | Free | Utilities | ## More apps by ALG Software Lab - [Linear Algebra - Matrix Solver](https://appshunter.io/ios/app/linear-algebra-matrix-solver/id1660933354) - [Linear Algebra Pro](https://appshunter.io/ios/app/linear-algebra-pro/id1669762569) - [Electronic Component Codes](https://appshunter.io/ios/app/electronic-component-codes/id1670579756) - [Resistor color codes calc](https://appshunter.io/ios/app/resistor-color-codes-calc/id6443917752) - [Learn C Language](https://appshunter.io/ios/app/learn-c-language/id6444024951) All apps by ALG Software Lab: https://appshunter.io/developer/1650561236 ## Related topics [transistor electronic](https://appshunter.io/ios/topics/transistor-electronic) --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-22.*