# KRAH Pipe Calculation vs NATHER

KRAH Pipe Calculation and NATHER 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 | KRAH Pipe Calculation | NATHER |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | — |
| Size | 74 MB | 187 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Krah GmbH](https://appshunter.io/developer/1379033149) | [上海兰舍空气技术有限公司](https://appshunter.io/developer/1103113669) |

## What reviewers say

### KRAH Pipe Calculation

[App page](https://appshunter.io/ios/app/krah-pipe-calculation/id1379033150)

**Features:** macOS Compatibility

**In-app purchases:** none


### NATHER

[App page](https://appshunter.io/ios/app/nather/id6751611220)

**In-app purchases:** none


## Frequently asked questions

### Is KRAH Pipe Calculation free?

KRAH Pipe Calculation is free to download, with no in-app purchases.

### Is NATHER free?

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

### Do KRAH Pipe Calculation or NATHER have ads?

Neither KRAH Pipe Calculation nor NATHER 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.*