# Castel Selector vs SensR Actrol

The clearest difference is device support: Castel Selector at 3 against SensR Actrol's —. SensR Actrol's advantage is iOS requirement (12.0 vs 14.0). On price and in-app purchases there is nothing between them.

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

## The numbers

| Metric | Castel Selector | SensR Actrol |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | — |
| Update frequency | Every 6 weeks | — |
| Size | 26 MB | 37 MB |
| Requires iOS | 14.0 | **12.0** |
| Devices | **iPhone, iPad, iPod** | — |
| Age rating | 4+ | 4+ |
| Developer | [Castel S.r.l.](https://appshunter.io/developer/1554507062) | [CAREL INDUSTRIES S.p.A.](https://appshunter.io/developer/1797037609) |

## What reviewers say

### Castel Selector

[App page](https://appshunter.io/ios/app/castel-selector/id1556397437)

**Features:** macOS Compatibility

**In-app purchases:** none


### SensR Actrol

[App page](https://appshunter.io/ios/app/sensr-actrol/id6474421189)

**In-app purchases:** none


## Frequently asked questions

### Is Castel Selector free?

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

### Is SensR Actrol free?

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

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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.*