# Heating Pipe Size vs blueDAN

The clearest difference is price: blueDAN at Free against Heating Pipe Size's $5.99. blueDAN also leads on iOS requirement (13.0 vs 26.0). On ads, in-app purchases and device support there is nothing between them.

blueDAN is free to download; Heating Pipe Size costs $5.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Heating Pipe Size | blueDAN |
| --- | --- | --- |
| Price | $5.99 | **Free** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 15 months | — |
| Size | 1 MB | 33 MB |
| Requires iOS | 26.0 | **13.0** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Sebastjan Valic](https://appshunter.io/developer/503687385) | [ESYS Gesellschaft fuer Elektronische Systemtechnik . Hard- und Software mbH](https://appshunter.io/developer/917295043) |

## What reviewers say

### Heating Pipe Size

[App page](https://appshunter.io/ios/app/heating-pipe-size/id527730872)

**Features:** Vision Pro support

**In-app purchases:** none


### blueDAN

[App page](https://appshunter.io/ios/app/bluedan-2/id6504526542)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Heating Pipe Size free?

Heating Pipe Size costs $5.99, with no in-app purchases.

### Is blueDAN free?

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

### Do Heating Pipe Size or blueDAN have ads?

Neither Heating Pipe Size nor blueDAN 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.*