# Alarmhandler Sensor vs Sensor Viewer

The clearest difference is in-app purchases: Alarmhandler Sensor at none against Sensor Viewer's 2. Alarmhandler Sensor also leads on iOS requirement (9.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Sensor Viewer sells 2 in-app purchases, starting at $0.99 per year. Alarmhandler Sensor asks for nothing beyond the download.

## The numbers

| Metric | Alarmhandler Sensor | Sensor Viewer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/alarmhandler-sensor/id1486606462/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 34 months | — |
| Monetization | Free | — |
| Size | 7 MB | 2 MB |
| Requires iOS | **9.0** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Compelling Software](https://appshunter.io/developer/964809111) | [Salisbury Apps](https://appshunter.io/developer/1095141053) |

## 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


### Sensor Viewer

[App page](https://appshunter.io/ios/app/sensor-viewer/id6765755753)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Annual Subscription | $0.99 | per year |
| One time / Lifetime purchase | $1.99 | one-time |


## Frequently asked questions

### Is Alarmhandler Sensor free?

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

### Is Sensor Viewer free?

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

### Do Alarmhandler Sensor or Sensor Viewer have ads?

Neither Alarmhandler Sensor nor Sensor Viewer 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.*