# Transformer Calculation Tool vs Coil Toolkit Pro

The clearest difference is in-app purchases: Coil Toolkit Pro at none against Transformer Calculation Tool's 1. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Transformer Calculation Tool sells 1 one-off in-app purchase. Coil Toolkit Pro asks for nothing beyond the download.

## The numbers

| Metric | Transformer Calculation Tool | Coil Toolkit Pro |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 weeks | — |
| Size | 57 MB | 29 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shraddhaben Parmar](https://appshunter.io/developer/1889769325) | [Mamta Kevadiya](https://appshunter.io/developer/6776068885) |

## What reviewers say

### Transformer Calculation Tool

[App page](https://appshunter.io/ios/app/transformer-calculation-tool/id6772152007)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime premium | $9.99 | one-time |


### Coil Toolkit Pro

[App page](https://appshunter.io/ios/app/coil-toolkit-pro/id6778254078)

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

**In-app purchases:** none


## Frequently asked questions

### Is Transformer Calculation Tool free?

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

### Is Coil Toolkit Pro free?

Coil Toolkit Pro is free to download, with no in-app purchases.

### Do Transformer Calculation Tool or Coil Toolkit Pro have ads?

Neither Transformer Calculation Tool nor Coil Toolkit Pro shows ads.

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