# Engineer's Unit Converter vs PipeAtlas

The clearest difference is ads: PipeAtlas at none against Engineer's Unit Converter's shown. On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Engineer's Unit Converter sells 1 one-off in-app purchase and PipeAtlas sells 3 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Engineer's Unit Converter | PipeAtlas |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Monthly | — |
| Size | 7 MB | 61 MB |
| Requires iOS | **18.0** | 18.6 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Jose Gerardo Palma Duran](https://appshunter.io/developer/1873843788) | [Shenzhen Seize Times E-Commerce Co., Ltd.](https://appshunter.io/developer/368397197) |

## What reviewers say

### Engineer's Unit Converter

[App page](https://appshunter.io/ios/app/engineers-unit-converter/id6758744042)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |


### PipeAtlas

[App page](https://appshunter.io/ios/app/pipeatlas/id6796687644)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PipeAtlas Pro One Month | $1.99 | per month |
| PipeAtlas Pro One Year | $19.99 | per year |
| PipeAtlas Pro Lifetime | $29.99 | one-time |


## Frequently asked questions

### Is Engineer's Unit Converter free?

Engineer's Unit Converter is free to download, with in-app purchases available.

### Is PipeAtlas free?

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

### Do Engineer's Unit Converter or PipeAtlas have ads?

Engineer's Unit Converter shows ads; PipeAtlas does not.

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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.*