# Alarmhandler Sensor vs Freebie Simple Calculator

The clearest difference is in-app purchases: Alarmhandler Sensor at none against Freebie Simple Calculator's 3. Alarmhandler Sensor also leads on ads (none vs shown) and iOS requirement (9.0 vs 16.0). Freebie Simple Calculator's advantage is update cadence (monthly vs every 34 months). On price and device support there is nothing between them.

Both are free to download. Freebie Simple Calculator sells 3 in-app purchases, starting at $0.99 per 7 days. Alarmhandler Sensor asks for nothing beyond the download.

Alarmhandler Sensor ships an update every 34 months, Freebie Simple Calculator monthly. The most recent releases landed on October 15, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Alarmhandler Sensor | Freebie Simple Calculator |
| --- | --- | --- |
| 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** | Yes |
| Update frequency | Every 34 months | **Monthly** |
| Monetization | Free | — |
| Size | 7 MB | 10 MB |
| Requires iOS | **9.0** | 16.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Compelling Software](https://appshunter.io/developer/964809111) | [Martin Gabor](https://appshunter.io/developer/1704833374) |

## 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


### Freebie Simple Calculator

[App page](https://appshunter.io/ios/app/freebie-simple-calculator/id6463722128)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| One week | $0.99 | per 7 days |
| One month | $2.99 | per month |
| Lifetime | $8.99 | one-time |


## Frequently asked questions

### Is Alarmhandler Sensor free?

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

### Is Freebie Simple Calculator free?

Freebie Simple Calculator is free to download, with in-app purchases available.

### Do Alarmhandler Sensor or Freebie Simple Calculator have ads?

Freebie Simple Calculator shows ads; Alarmhandler Sensor does not.

### Which is updated more often, Alarmhandler Sensor or Freebie Simple Calculator?

Alarmhandler Sensor ships an update every 34 months, and Freebie Simple Calculator monthly. Most recently, Alarmhandler Sensor was updated on October 15, 2026 and Freebie Simple Calculator on October 19, 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.*