# Pipe Flow Calculations vs PipeAtlas

The clearest difference is in-app purchases: Pipe Flow Calculations at none against PipeAtlas's 3. Pipe Flow Calculations also leads on device support (3 vs 1) and iOS requirement (13.0 vs 18.6). On price and ads there is nothing between them.

Both are free to download. PipeAtlas sells 3 in-app purchases, starting at $1.99 per month. Pipe Flow Calculations asks for nothing beyond the download.

## The numbers

| Metric | Pipe Flow Calculations | PipeAtlas |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Size | 17 MB | 61 MB |
| Requires iOS | **13.0** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Application Services LLC](https://appshunter.io/developer/1896064953) | [Shenzhen Seize Times E-Commerce Co., Ltd.](https://appshunter.io/developer/368397197) |

## What reviewers say

### Pipe Flow Calculations

[App page](https://appshunter.io/ios/app/pipe-flow-calculations/id6765766469)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 Pipe Flow Calculations free?

Pipe Flow Calculations is free to download, with no in-app purchases.

### Is PipeAtlas free?

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

### Do Pipe Flow Calculations or PipeAtlas have ads?

Neither Pipe Flow Calculations nor PipeAtlas 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.*