# RoomPipe vs FitterCalc

The clearest difference is device support: FitterCalc at 3 against RoomPipe's 1. FitterCalc also leads on iOS requirement (15.0 vs 17.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. RoomPipe sells 1 one-off in-app purchase and FitterCalc sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | RoomPipe | FitterCalc |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Size | 4 MB | 19 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [建云 董](https://appshunter.io/developer/1530211788) | [Jonathan Weick](https://appshunter.io/developer/1681278482) |

## What reviewers say

### RoomPipe

[App page](https://appshunter.io/ios/app/roompipe/id6505030991)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Room Pipe | $6.99 | one-time |


### FitterCalc

[App page](https://appshunter.io/ios/app/fittercalc/id6793714393)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Pro | $9.99 | one-time |


## Frequently asked questions

### Is RoomPipe free?

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

### Is FitterCalc free?

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

### Do RoomPipe or FitterCalc have ads?

Neither RoomPipe nor FitterCalc 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.*