# VoltWise - Electrician Toolkit

> Apprentice electrician toolkit: formulas, diagrams, notes, and a field library.

Canonical page: [https://chrome-stats.com/d/com.developermcd.voltwise](https://chrome-stats.com/d/com.developermcd.voltwise)

## Overview

- **ID:** `com.developermcd.voltwise`
- **Platform:** Android
- **Type:** Android app
- **Status:** Available
- **Publisher:** Developer McD
- **Category:** EDUCATION
- **Downloads:** 8
- **Version:** 1.0.2
- **Last updated:** 2026-08-02
- **First published:** 2026-07-30
- **Publisher country:** US
- **Size:** 78 MB
- **Data as of:** 2026-09-08
- **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=com.developermcd.voltwise)
- **Website:** [https://www.matthewserver.com](https://www.matthewserver.com/)
- **Privacy policy:** [https://www.matthewserver.com/privacy.htm](https://www.matthewserver.com/privacy.htm)

## Description

VoltWise is a handy utility for apprentice electricians. Calculate common formulas, review wiring diagrams, keep jobsite notes, and study with a built-in reference library—all offline on your phone.<br><br>Whether you are in class, following a mentor, or on a jobsite, VoltWise keeps the math and reference material you need in one place.<br><br>FEATURES<br><br>Calculators<br>• Ohm’s Law — solve for voltage, current, or resistance<br>• Power — watts from volts and amps<br>• Series / Parallel — combine resistances<br>• Voltage drop — single-phase estimate<br>• Conduit bends — stub-up and offset math<br>• Box fill — quick volume check<br>• Three-phase power — kW, amps, and power factor<br>• Unit converter — AWG, inches, mm, and feet<br><br>Reference &amp; diagrams<br>• Field reference notes for apprentice workflows<br>• Wiring diagrams you can open anytime<br><br>Training<br>• Pre-apprentice track with checklists and study aids<br>• Built for early electrical apprenticeship learning<br><br>Library<br>• Full searchable library<br>• Browse by chapter and section, or search across the book<br>• Content stays on your device for offline reading<br><br>Notes<br>• Personal notebook for mentor tips, class reminders, and jobsite notes<br>• Notes stay on your device<br><br>Free app supported by a small banner ad.<br><br>VoltWise does not replace the NEC, local codes, or licensed supervision. Always follow your instructor, mentor, and applicable electrical codes.

## Rankings

- #2,843,057 — Overall

## Permissions and access

### Permissions

- `android.permission.ACCESS_ADSERVICES_AD_ID`
- `android.permission.ACCESS_ADSERVICES_ATTRIBUTION`
- `android.permission.ACCESS_ADSERVICES_TOPICS`
- `android.permission.ACCESS_NETWORK_STATE`
- `android.permission.FOREGROUND_SERVICE`
- `android.permission.INTERNET`
- `android.permission.SYSTEM_ALERT_WINDOW`
- `android.permission.VIBRATE`
- `android.permission.WAKE_LOCK`
- `com.android.vending.CHECK_LICENSE`
- `com.developermcd.voltwise.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION`
- `com.google.android.gms.permission.AD_ID`

## Similar extensions and apps

- [Voltbox: Electrician Toolbox](https://chrome-stats.com/d/com.tapforgestudios.voltbox) — 7 users
- [Electrician ProCalc](https://chrome-stats.com/d/com.fieldcalc.electrician_procalc) — 63 users
- [Advance Electric Calculator](https://chrome-stats.com/d/com.electricapp.electricianguide) — 140 users
- [VOLTS: Electrical Reference](https://chrome-stats.com/d/com.corzohub.volts) — 35 users
- [Electrician Handbook: Wiring](https://chrome-stats.com/d/com.istack.electrichandbook) — 815 users
- [VoltKit Electronics Toolkit](https://chrome-stats.com/d/com.caneryildirim.electronichandbook) — 9 users
- [VoltTool Electrical Calc](https://chrome-stats.com/d/com.dhgdevtools.volttool) — 147 users
- [Electrician Handbook](https://chrome-stats.com/d/com.ainkstudio.electricianhandbook) — 682,421 users, 4.41 / 5
- [Voltora: Electrical Toolkit](https://chrome-stats.com/d/com.alghalabiahlap.voltora) — 3 users
- [Electrical Toolkit by HCP](https://chrome-stats.com/d/com.codefied.ElectricalCalculator) — 2,877 users, 4.68 / 5
- [WolfeWare Tech Electrical Calc](https://chrome-stats.com/d/com.calcappelec) — 2 users
- [ElectroTools Pro](https://chrome-stats.com/d/com.benyaminsdeveloper.ohmslawpro) — 2,638 users

---

Source: [Chrome-Stats](https://chrome-stats.com/d/com.developermcd.voltwise)