# VoltMaster

> Calculate your cable cross-sections and generate your site reports.

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

## Overview

- **ID:** `com.voltmaster`
- **Platform:** Android
- **Type:** Android app
- **Status:** Available
- **Publisher:** masket
- **Category:** PRODUCTIVITY
- **Downloads:** 37
- **Version:** 2.2.2
- **Last updated:** 2026-02-14
- **First published:** 2026-02-14
- **Publisher country:** FR
- **Size:** 11 MB
- **Data as of:** 2026-09-09
- **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=com.voltmaster)
- **Privacy policy:** [https://docs.google.com/document/d/1myN\_vBh-A0UmFQ5zi7b4rAaBlDBEhBjNDE\_k20aazCU/edit?usp=sharing](https://docs.google.com/document/d/1myN_vBh-A0UmFQ5zi7b4rAaBlDBEhBjNDE_k20aazCU/edit?usp=sharing)

## Description

The essential tool for the discerning electrician.<br><br>No more paper charts and rough calculations on a napkin. VoltMaster is the go-to tool for safely sizing your electrical installations, in accordance with the NF C 15-100 standard.<br><br>Designed for electricians, tradespeople, and engineering firms, this application works offline (perfect for sites without network access) and is completely ad-free.<br><br>⚡ WHY CHOOSE VOLTMASTER?<br><br>1. PRECISE CABLE SIZE CALCULATION Simply enter the length and current (or power): the application instantly provides the recommended cable size (copper), taking into account the permissible voltage drop.<br><br>2. PROFESSIONAL TECHNICAL REPORT Don&#39;t just settle for a result. Generate a complete technical datasheet with a single click. Send a detailed report to your clients or colleagues via SMS, WhatsApp, or email, including:<br><br>Voltage (Single/Three-phase)<br><br>Current and estimated power (kW)<br><br>Cable length<br><br>Cross-section (mm²)<br><br>Calculated actual voltage drop (%)<br><br>3. SAFETY FIRST The application uses the &quot;hot&quot; resistivity of copper (ρ = 0.023) to guarantee a maximum safety margin, exceeding simple theoretical calculations.<br><br>🛠 KEY FEATURES: ✅ Supports Single-phase (230V) and Three-phase (400V) ✅ Real-time voltage drop calculation ✅ Compliance alerts (Green/Red) based on your objectives ✅ Dark Mode interface to save battery on the job site ✅ No ads, no subscription: Pay once, use for life.<br><br>👷 WHO IS IT FOR?<br><br>Professional electricians: Validate your cable choices instantly in front of the client.<br><br>Tradespeople: Secure your quotes with reliable calculations.<br><br>Apprentices &amp; DIYers: Learn to size cables like a pro, without errors.<br><br>Stop taking risks with electrical safety. Download VoltMaster and carry your technical expert in your pocket.

## Rankings

- #2,360,575 — Overall

## Permissions and access

### Permissions

- `android.permission.VIBRATE`
- `com.android.vending.CHECK_LICENSE`
- `com.voltmaster.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION`

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