# Electronics Toolbox

> Electronics Toolbox (iPhone/iPad app by Fabrizio Boco.)

- Source: https://appshunter.io/ios/app/electronics-toolbox/id6752240553 (this page in markdown: same URL + `.md`)
- Developer: [Fabrizio Boco](https://appshunter.io/developer/466239616)
- Category: Productivity, Reference
- Price: $3.99
- Age rating: 4+
- Requires: iOS 26.0 · 19 MB
- Languages: American English, Italian
- Released: 2025-09-11
- Data updated: 2026-08-23
- User reviews in markdown: https://appshunter.io/ios/app/electronics-toolbox/id6752240553/reviews.md

## What is Electronics Toolbox?

Electronics Toolbox is your go-to app for quick, reliable electronics calculations.
What sets it apart? Most of the included calculators can instantly generate LTspice test circuits and components—so you can validate results right away and drop subcircuits directly into your own designs.

Main features:

* Ohm’s Law, dB, V Peak / V RMS
* Resistors (parallel, color code, best combination)
* Voltage Dividers (with LTspice test circuits)
* LED Resistor, Capacitors in Series, Capacitance Converter
* RC & RL Time Constants (with LTspice test circuits)
* Op-Amp circuits (inverting, non-inverting, difference, Howland) (with LTspice test circuits)
* Instrumentation Op-Amp circuit (with LTspice test circuit)
* Filters: RC / RL / RLC Low-Pass, High-Pass, Band-Pass, Band-Stop (with LTspice test circuits)
* NE555, LM317, Wheatstone Bridge (with LTspice test circuits)
* Common Emitter BJT amplifier (with LTspice test circuit)
* Junction temperature and heatsink calculations
* AWG Conversion

Whether you’re a student, hobbyist, or professional, Electronics Toolbox makes design work faster, easier, and more accurate.

Not endorsed or sponsored by Analog Devices.

## Chart rankings

- #199 in Top Paid · Productivity (US App Store)


## Version history (last 3 releases)

### 2.0.0 — 2025-10-07

- New AWG Size Conversion
- Inverting Amplifier and Non Inverting Amplifier: calculation of R1 or R2 from the desired G
- Instrumentation Amplifier:
        - It is no longer required to clear fields for inverse calculations.
        - Fixed an issue that prevented to display the diagram in dark mode.
        - Added the model for INA827
- Resistor Types Table, Capacitor Types Table, Ceramic Capacitor Types Table, Inductor Types Table: fixed the background in dark mode
- DB Calculation: It is no longer required to clear fields for inverse calculations.
- Vp - Vpp - VRMS Calculation: It is no longer required to clear fields for inverse calculations.
- Filters: It is no longer required to clear fields for inverse calculations.

### 1.1 — 2025-09-23

Instrumentation amplifier
Minor fixes and improvements for iOS 26

### 1.0 — 2025-09-13

No release notes.

## More apps by Fabrizio Boco

- [Matrix Lab](https://appshunter.io/ios/app/matrix-lab/id337754158)
- [DCircuit Lab](https://appshunter.io/ios/app/dcircuit-lab/id382544208)
- [DCircuit Lab HD](https://appshunter.io/ios/app/dcircuit-lab-hd/id392966166)
- [Bode & Nyquist](https://appshunter.io/ios/app/bode-and-nyquist/id445573307)
- [Arduino Manager](https://appshunter.io/ios/app/arduino-manager/id497240094)
- [Logic Analyzer](https://appshunter.io/ios/app/logic-analyzer/id980880317)

All apps by Fabrizio Boco: https://appshunter.io/developer/466239616

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*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 2026-08-23.*