# Alarmhandler Sensor vs HiddenApp Pro

The clearest difference is rating: HiddenApp Pro at 3.6 against Alarmhandler Sensor's 1.0. HiddenApp Pro also leads on update cadence (every 3 months vs every 34 months) and ratings volume (11 vs 1). Alarmhandler Sensor's advantage is iOS requirement (9.0 vs 14.0). 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.

HiddenApp Pro holds the better App Store score, 3.6 against 1.0. That said, the two scores are not equally well evidenced: HiddenApp Pro has 11 ratings behind it against 1, so its average is the more settled of the two.

Alarmhandler Sensor ships an update every 34 months, HiddenApp Pro every 3 months. The most recent releases landed on October 3, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | Alarmhandler Sensor | HiddenApp Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/alarmhandler-sensor/id1486606462/reviews) | **[3.6 (11 ratings)](https://appshunter.io/ios/app/hiddenapp-pro/id1596439773/reviews)** |
| Number of ratings | 1 | **11** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 34 months | **Every 3 months** |
| Monetization | Free | Free |
| Size | 7 MB | 12 MB |
| Requires iOS | **9.0** | 14.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Compelling Software](https://appshunter.io/developer/964809111) | [Senturo Ltd](https://appshunter.io/developer/605467423) |

## What reviewers say

### Alarmhandler Sensor

[App page](https://appshunter.io/ios/app/alarmhandler-sensor/id1486606462)

Transform old phones into a cohesive security system. Integrate SMS alarms, IP cameras, and existing devices into one controllable platform. Offers affordable, DIY security solutions.

**Highlights:** Integrates SMS alarm systems, Connects IP cameras, Utilizes old phones as sensors, Unified control via one app, DIY security system

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

**In-app purchases:** none


### HiddenApp Pro

[App page](https://appshunter.io/ios/app/hiddenapp-pro/id1596439773)

This app provides organizations with real-time location tracking, device monitoring, and recovery tools. It offers features like geofencing, location history, and intruder selfies for enhanced device management.

**Highlights:** Real-time location tracking, Location history, Geofencing, Network data monitoring, Messaging, Intruder selfies

**In-app purchases:** none


## Frequently asked questions

### Is Alarmhandler Sensor free?

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

### Is HiddenApp Pro free?

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

### Which has better reviews, Alarmhandler Sensor or HiddenApp Pro?

HiddenApp Pro is rated higher. Alarmhandler Sensor averages 1.0 out of 5 from 1 ratings, while HiddenApp Pro averages 3.6 from 11 ratings.

### Do Alarmhandler Sensor or HiddenApp Pro have ads?

Neither Alarmhandler Sensor nor HiddenApp Pro shows ads.

### Which is updated more often, Alarmhandler Sensor or HiddenApp Pro?

Alarmhandler Sensor ships an update every 34 months, and HiddenApp Pro every 3 months. Most recently, Alarmhandler Sensor was updated on October 3, 2026 and HiddenApp Pro on September 29, 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.*