# Heating Pipe Size vs ECO

The clearest difference is price: ECO at Free against Heating Pipe Size's $5.99. ECO also leads on iOS requirement (10.0 vs 26.0). On ads, in-app purchases and device support there is nothing between them.

ECO 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 | ECO |
| --- | --- | --- |
| Price | $5.99 | **Free** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 15 months | — |
| Size | 1 MB | 88 MB |
| Requires iOS | 26.0 | **10.0** |
| Devices | **iPhone, iPad, Mac** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Sebastjan Valic](https://appshunter.io/developer/503687385) | [CAREL INDUSTRIES S.p.A.](https://appshunter.io/developer/1797037609) |

## 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


### ECO

[App page](https://appshunter.io/ios/app/eco-v/id1465871299)

**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 ECO free?

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

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

Neither Heating Pipe Size nor ECO 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.*