# Transformer Calculation Tool vs EngiCalc Toolkit

The clearest difference is in-app purchases: EngiCalc Toolkit at none against Transformer Calculation Tool's 1. Transformer Calculation Tool's advantage is iOS requirement (13.0 vs 26.2). On price, ads and device support there is nothing between them.

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

## The numbers

| Metric | Transformer Calculation Tool | EngiCalc Toolkit |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 weeks | — |
| Size | 57 MB | 7 MB |
| Requires iOS | **13.0** | 26.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 9+ |
| Developer | [Shraddhaben Parmar](https://appshunter.io/developer/1889769325) | [Роман Burmistrov](https://appshunter.io/developer/1896636654) |

## 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 |


### EngiCalc Toolkit

[App page](https://appshunter.io/ios/app/engicalc-toolkit/id6776429595)

**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 EngiCalc Toolkit free?

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

### Do Transformer Calculation Tool or EngiCalc Toolkit have ads?

Neither Transformer Calculation Tool nor EngiCalc Toolkit 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.*