# All Charts Pro

> Electrical calculation reference tool for conduit fill, voltage drop, and wire ampacity. (iPhone/iPad app by Rencil Francis.)

- Source: https://appshunter.io/ios/app/all-charts-pro/id1528891119 (this page in markdown: same URL + `.md`)
- Developer: [Rencil Francis](https://appshunter.io/developer/1528891121)
- Category: Reference
- Price: $1.99
- Rating: 3.40/5 from 5 App Store ratings · 3 written reviews indexed
- Age rating: 4+
- Requires: iOS 13.0 · 1 MB
- Languages: English
- Released: 2020-08-26
- Data updated: 2026-06-10
- Monetization: paid
- User reviews in markdown: https://appshunter.io/ios/app/all-charts-pro/id1528891119/reviews.md

## What is All Charts Pro?

Conduit Fill:
Calculates the percentage fill for mixed THHN insulated conductors in various types of conduits and also allows you to enter any wire diameters. 

Voltage Drop:
Calculates the voltage drop for DC,  single & three phase systems with power factor (Unity & Lagging)

AC Motor full load current finder:
Helps you quickly find AC motor full load currents from NEC tables:430.248, 430.250

Vertical Cable support distance table

Elbow dimensions for 90 deg

Grounding tables - 250.122 & 250.66

Wire Ampacity for copper and aluminum conductors with temperature correction and derating

Conduit spacing and knockout diameters

## Key features

- Conduit fill percentage calculation
- Voltage drop calculation for various systems
- AC motor full load current finder
- Vertical cable support distance table
- Grounding tables
- Wire ampacity with temperature correction

## Recent user reviews (3 of 3)

All indexed reviews: https://appshunter.io/ios/app/all-charts-pro/id1528891119/reviews.md

### 5/5 — Simple is the Best

*2025-08-17*

Great job, very simple to use when you are on the field.

### 1/5 — Waste of money

*2023-10-25*

Every single time I try to select a type of conduit or change number of conductors or any other variable the app crashes. Don’t waste your money. Absolute garbage!!!!

### 5/5 — Best App for Electrical Contractors

*2021-07-23*

This app has made my life so much easier. It is so quick to reference conduit fill, wire ampacity, ground sizes, and so much more all in one quick and easy place.

## Frequently asked questions about All Charts Pro

### What electrical calculations does All Charts Pro offer?

All Charts Pro offers calculations for conduit fill percentage, voltage drop in DC and AC systems, AC motor full load current, wire ampacity with temperature correction, and grounding tables.

### Is All Charts Pro available on Android devices?

Based on the provided data, All Charts Pro is available for iPhone, iPad, and iPod devices. Information regarding Android compatibility is not specified.

### How often is All Charts Pro updated?

The app was last updated on September 8, 2020, with version 1.1. The release date was August 26, 2020. Update frequency information beyond this is not available.

### What is the price of All Charts Pro?

All Charts Pro is a paid application priced at $1.99. There are no indications of free trials or subscription tiers.

### What is the age rating for All Charts Pro?

All Charts Pro has an age rating of 4+, making it suitable for a wide range of users. This rating suggests it contains no mature content.

### Does All Charts Pro contain advertisements?

No, All Charts Pro does not contain advertisements. The app is listed as having no ads, and also has no in-app purchases.

### What is the user rating for All Charts Pro?

All Charts Pro has a user rating of 3.4 stars based on 5 ratings. This indicates a mixed reception from its current user base.

### Does All Charts Pro require an internet connection to function?

The provided description does not specify whether an internet connection is required for All Charts Pro. However, many calculation-based reference apps can function offline.

## Version history (last 2 releases)

### 1.1 — 2020-09-08

Minor Tweaks

### 1.0 — 2020-08-26

No release notes.

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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 2026-06-10.*