# NotosAR vs Pipe Flow Calculations

NotosAR and Pipe Flow Calculations are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | NotosAR | Pipe Flow Calculations |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | — |
| Size | 423 MB | 17 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [NETZSCH DO BRASIL INDUSTRIA E COMERCIO LTDA](https://appshunter.io/developer/1755476547) | [Application Services LLC](https://appshunter.io/developer/1896064953) |

## What reviewers say

### NotosAR

[App page](https://appshunter.io/ios/app/notosar/id6511209787)

**In-app purchases:** none


### Pipe Flow Calculations

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

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is NotosAR free?

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

### Is Pipe Flow Calculations free?

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

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

Neither NotosAR nor Pipe Flow Calculations 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.*