# Transformer Calc Pro

> Electrical transformer calculation and scheduling tool for professionals. (iPhone/iPad app by Snappy Appz Inc..)

- Source: https://appshunter.io/ios/app/transformer-calc-pro/id815054885 (this page in markdown: same URL + `.md`)
- Developer: [Snappy Appz Inc.](https://appshunter.io/developer/375591377)
- Category: Utilities, Productivity
- Price: $6.99
- Rating: 5.00/5 from 2 App Store ratings · 1 written reviews indexed
- Age rating: 4+
- Requires: iOS 9.0 · 13 MB
- Languages: English
- Released: 2014-02-16
- Data updated: 2026-06-10
- Monetization: paid
- User reviews in markdown: https://appshunter.io/ios/app/transformer-calc-pro/id815054885/reviews.md

## What is Transformer Calc Pro?

Transformer Calc is a fast, easy way to create a schedule of transformer calculations for any size of job or just to perform a single calculation on the fly. Put your pencil down and start making professional, consistent calculations today. 

- Universal app allows use on both iPad, and iPhone/iPod with single purchase. 
- Create an unlimited list of calculations that automatically save. 
- Solve overcurrent sizing, wire sizing, conduit sizing, bond and ground sizing and more.
- Export your results to a spreadsheet for formatting or printing. 
- Print directly from the app (requires AirPrint printer).
- Support for 2014 NEC and 2012 CEC.
- Support for low and high voltage.
- Easily choke down your transformers and see results instantly recalculate.
- Built in construction calculator allows intermediate calculations to be performed within the app.

## Key features

- Transformer calculations
- Schedule creation
- Overcurrent sizing
- Wire and conduit sizing
- Bond and ground sizing
- Export to spreadsheet
- Direct printing

## Recent user reviews (1 of 1)

All indexed reviews: https://appshunter.io/ios/app/transformer-calc-pro/id815054885/reviews.md

### 5/5 — Great App but get “Transformer Calc 2”

*2022-11-01*

Get the latest version of this same app “Transformer Calc 2”. I initially had issues with this version of the app and the support response but there was a legitimate reason and my issue has been resolved.

## Frequently asked questions about Transformer Calc Pro

### What electrical calculations can Transformer Calc Pro perform?

Transformer Calc Pro can solve for overcurrent sizing, wire sizing, conduit sizing, and bond and ground sizing. It also includes a built-in construction calculator for intermediate calculations.

### Does Transformer Calc Pro support different electrical codes?

Yes, Transformer Calc Pro supports both the 2014 NEC (National Electrical Code) and the 2012 CEC (Canadian Electrical Code). It also supports low and high voltage calculations.

### Can I save and export my calculations from Transformer Calc Pro?

Transformer Calc Pro automatically saves an unlimited list of calculations. You can export your results to a spreadsheet for formatting or printing, and print directly from the app if you have an AirPrint printer.

### What devices is Transformer Calc Pro available on?

Transformer Calc Pro is a universal app, meaning a single purchase allows you to use it on both iPad and iPhone/iPod devices.

### How often is Transformer Calc Pro updated?

The latest version of Transformer Calc Pro is 1.0.8, which was last updated on May 27, 2018. While updates have not been frequent recently, the app is stable for its intended purpose.

### What is the price of Transformer Calc Pro?

Transformer Calc Pro is a paid application priced at $6.99. This is a one-time purchase with no in-app purchases or subscriptions.

### Does Transformer Calc Pro have ads?

No, Transformer Calc Pro is ad-free. As a paid application, it does not contain any advertisements, providing an uninterrupted user experience.

### What is the age rating for Transformer Calc Pro?

Transformer Calc Pro has an age rating of 4+. This indicates it is suitable for users of all ages, with no mature content.

## Version history (last 5 releases)

### 1.0.8 — 2018-05-27

This app has been updated by Apple to display the Apple Watch app icon.

- Added support for iPhone X.
- Fixed issue with calculator not working.

### 1.0.6 — 2018-02-05

- Fixed issue causing transformers under 1KVA to cause crash.

### 1.0.5 — 2016-08-10

- Fixed several issues and increased performance.

### 1.0.4 — 2014-06-19

- Fixed issue causing transformer module to calculate as choked when it wasn't.

### 1.0.3 — 2014-05-14

- Fixed bug with numbers under 1.0 causing a crash.

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## More apps by Snappy Appz Inc.

- [Electrical Calc](https://appshunter.io/ios/app/electrical-calc/id375591374)
- [Construction Calc Lite](https://appshunter.io/ios/app/construction-calc-lite/id380648615)
- [Electrical Calc USA](https://appshunter.io/ios/app/electrical-calc-usa/id391412994)
- [Construction Calc Pro](https://appshunter.io/ios/app/construction-calc-pro/id458909118)
- [The Best No Smoking App](https://appshunter.io/ios/app/the-best-no-smoking-app/id458916516)
- [Electrical Calc Pro](https://appshunter.io/ios/app/electrical-calc-pro/id514793318)

All apps by Snappy Appz Inc.: https://appshunter.io/developer/375591377

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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.*