# Transformer Calculator. vs Lead Wire Ampacity

The clearest difference is in-app purchases: Lead Wire Ampacity at none against Transformer Calculator.'s 1. Lead Wire Ampacity also leads on ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Transformer Calculator. sells 1 one-off in-app purchase. Lead Wire Ampacity asks for nothing beyond the download.

## The numbers

| Metric | Transformer Calculator. | Lead Wire Ampacity |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (49 ratings)](https://appshunter.io/ios/app/transformer-calculator/id1506155081/reviews)** | — |
| Number of ratings | **49** | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 4 months | — |
| Monetization | Free with in-app purchases | — |
| Size | 41 MB | 4 MB |
| Requires iOS | 17.6 | **16.6** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [V PUGAZHENTHI](https://appshunter.io/developer/491898049) | [Southwire Company](https://appshunter.io/developer/440338423) |

## What reviewers say

### Transformer Calculator.

[App page](https://appshunter.io/ios/app/transformer-calculator/id1506155081)

This app simplifies transformer calculations for engineers and students. It accurately computes primary and secondary currents, turns ratios, and secondary voltages based on user inputs for transformer ratings and winding turns.

**Highlights:** Primary and secondary current calculations, Turns ratio determination, Transformer type identification, Secondary voltage calculation, Supports 1Φ and 3Φ phases, User-friendly interface

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Go Pro | $3.99 | one-time |


### Lead Wire Ampacity

[App page](https://appshunter.io/ios/app/lead-wire-ampacity/id6768390444)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Transformer Calculator. free?

Transformer Calculator. is free to download, with in-app purchases available.

### Is Lead Wire Ampacity free?

Lead Wire Ampacity is free to download, with no in-app purchases.

### Do Transformer Calculator. or Lead Wire Ampacity have ads?

Transformer Calculator. shows ads; Lead Wire Ampacity does not.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*