# ESP Toolbox

> ESP calculations APP, which helps the ESP engineers to do calculations easily.

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

## Overview

- **ID:** `com.espcalc.app`
- **Platform:** Android
- **Type:** Android app
- **Status:** Available
- **Publisher:** ESP Engineer
- **Category:** PRODUCTIVITY
- **Downloads:** 16
- **Version:** 1.4.0
- **Last updated:** 2026-09-09
- **First published:** 2026-09-09
- **Publisher country:** EG
- **Size:** 26 MB
- **Data as of:** 2026-09-15
- **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=com.espcalc.app)
- **Privacy policy:** [https://amoharam281.github.io/esp-toolbox-legal/privacy-policy.html](https://amoharam281.github.io/esp-toolbox-legal/privacy-policy.html)

## Description

ESP Toolbox is a fast, fully offline calculator suite built for ESP (Electrical Submersible Pump) and artificial lift field engineers — no signal required at the well site.<br><br>MOTOR CALCULATORS<br>- Phases Resistance Unbalance<br>- Total Ph:Ph Resistance<br>- Surface Voltage<br>- Voltage Tapping @ 480V<br>- KVA Calculations<br>- Estimated Amps<br><br>PUMP CALCULATORS<br>- Pump Max Speed<br>- Pump Affinity Laws<br>- Pump Up Time<br><br>UTILITIES<br>- Cable Length from Resistance (loop measurement)<br><br>BUILT FOR THE FIELD<br>- Works 100% offline — every calculation runs on your device, no connection needed at the wellsite.<br>- Save results per well, so your history stays organized by location.<br>- Track work rotations with the built-in Hitch calendar (Duty/Vacation and custom labels, month/year views).<br>- Star your most-used calculators for one-tap access.<br><br>WHO IT&#39;S FOR<br>Petroleum, production, and completions engineers working ESP and artificial lift systems who need fast, reliable field calculations without carrying a spreadsheet.<br><br>A free trial is included; continued use requires a subscription (3, 6, or 12-month plans).

## Rankings

- #2,693,757 — Overall

## Permissions and access

### Permissions

- `android.permission.ACCESS_NETWORK_STATE`
- `android.permission.INTERNET`
- `android.permission.POST_NOTIFICATIONS`
- `android.permission.VIBRATE`
- `android.permission.WAKE_LOCK`
- `com.android.vending.BILLING`
- `com.espcalc.app.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION`
- `com.google.android.c2dm.permission.RECEIVE`
- `com.google.android.providers.gsf.permission.READ_GSERVICES`

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