# Alarmhandler Sensor vs Spamlock

The clearest difference is update cadence: Spamlock at every 3 months against Alarmhandler Sensor's every 34 months. Alarmhandler Sensor's advantage is iOS requirement (9.0 vs 13.4). On price, ads, in-app purchases and device support there is nothing between them.

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

Alarmhandler Sensor ships an update every 34 months, Spamlock every 3 months. The most recent releases landed on October 15, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Alarmhandler Sensor | Spamlock |
| --- | --- | --- |
| 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 | No |
| Ads | No | No |
| Update frequency | Every 34 months | **Every 3 months** |
| Monetization | Free | — |
| Size | 7 MB | 25 MB |
| Requires iOS | **9.0** | 13.4 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Compelling Software](https://appshunter.io/developer/964809111) | [Max Aquilino](https://appshunter.io/developer/1519752097) |

## 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


### Spamlock

[App page](https://appshunter.io/ios/app/spamlock/id1529407969)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Alarmhandler Sensor free?

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

### Is Spamlock free?

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

### Do Alarmhandler Sensor or Spamlock have ads?

Neither Alarmhandler Sensor nor Spamlock shows ads.

### Which is updated more often, Alarmhandler Sensor or Spamlock?

Alarmhandler Sensor ships an update every 34 months, and Spamlock every 3 months. Most recently, Alarmhandler Sensor was updated on October 15, 2026 and Spamlock on October 4, 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.*