# CrownSensor vs Phoenix Health Technologies

The clearest difference is update cadence: CrownSensor at every 3 days against Phoenix Health Technologies's every 3 weeks. CrownSensor also leads on iOS requirement (13.0 vs 15.0). On price, ads, in-app purchases and monetization model there is nothing between them.

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

CrownSensor ships an update every 3 days, Phoenix Health Technologies every 3 weeks. The most recent releases landed on October 24, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | CrownSensor | Phoenix Health Technologies |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/phoenix-health-technologies/id6444221678/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 3 weeks |
| Monetization | Free | Free |
| Size | 20 MB | 25 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen Lanke Xuntong Technology Co., Ltd.](https://appshunter.io/developer/640898259) | [Milestone Consulting Inc](https://appshunter.io/developer/1240417498) |

## What reviewers say

### CrownSensor

[App page](https://appshunter.io/ios/app/crownsensor/id1581557875)

Control your phone's volume and screen brightness using Bluetooth-connected IoT hardware. This app enables seamless integration for managing device settings remotely.

**Highlights:** Bluetooth IoT hardware integration, Mobile phone volume control, Screen brightness adjustment, Remote device setting management

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

**In-app purchases:** none


### Phoenix Health Technologies

[App page](https://appshunter.io/ios/app/phoenix-health-technologies/id6444221678)

Control your advanced HVAC cleaning system remotely. Schedule cleaning sessions, monitor system status, and review past cleaning history. This app offers convenient management for your home's air quality system.

**Highlights:** Remote system control, Cleaning schedule setup, View cleaning history, Monitor system status

**In-app purchases:** none


## Frequently asked questions

### Is CrownSensor free?

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

### Is Phoenix Health Technologies free?

Phoenix Health Technologies is free to download, with no in-app purchases.

### Do CrownSensor or Phoenix Health Technologies have ads?

Neither CrownSensor nor Phoenix Health Technologies shows ads.

### Which is updated more often, CrownSensor or Phoenix Health Technologies?

CrownSensor ships an update every 3 days, and Phoenix Health Technologies every 3 weeks. Most recently, CrownSensor was updated on October 24, 2026 and Phoenix Health Technologies on October 12, 2026.

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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.*