# Alarmhandler Sensor vs Spamlock

The clearest difference is in-app purchases: Alarmhandler Sensor at none against Spamlock's 2. Alarmhandler Sensor also leads on iOS requirement (9.0 vs 16.4). Spamlock's advantage is update cadence (every 7 months vs every 34 months). On price, ads and device support there is nothing between them.

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

Alarmhandler Sensor ships an update every 34 months, Spamlock every 7 months. The most recent releases landed on November 6, 2026 and November 13, 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** | Yes |
| Ads | No | No |
| Update frequency | Every 34 months | **Every 7 months** |
| Monetization | Free | — |
| Size | 7 MB | 96 MB |
| Requires iOS | **9.0** | 16.4 |
| Devices | iPhone, iPod | iPhone, iPad |
| 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-security-assistant/id1529407969)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Spamlock Plus Monthly | $0.99 | per month |
| Spamlock Plus Yearly | $5.99 | per year |


## 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 in-app purchases available.

### 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 7 months. Most recently, Alarmhandler Sensor was updated on November 6, 2026 and Spamlock on November 13, 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.*