# Motion Alarm FREE vs DevPro Light

The clearest difference is in-app purchases: Motion Alarm FREE at none against DevPro Light's 1. Motion Alarm FREE also leads on update cadence (every 3 weeks vs every 29 months) and iOS requirement (6.0 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. DevPro Light sells 1 one-off in-app purchase. Motion Alarm FREE asks for nothing beyond the download.

Motion Alarm FREE ships an update every 3 weeks, DevPro Light every 29 months. The most recent releases landed on October 3, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Motion Alarm FREE | DevPro Light |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.1 (10 ratings)](https://appshunter.io/ios/app/motion-alarm-free/id993583184/reviews)** | — |
| Number of ratings | **10** | — |
| Positive reviews | 20.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 29 months |
| Monetization | Free | — |
| Size | 3 MB | 10 MB |
| Requires iOS | **6.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Camilo Ortegon](https://appshunter.io/developer/993583183) | [IIC Innovative International Consulting GmbH & Co. KG](https://appshunter.io/developer/1352683483) |

## What reviewers say

### Motion Alarm FREE

[App page](https://appshunter.io/ios/app/motion-alarm-free/id993583184)

This utility app acts as a personal anti-theft alarm for your iPhone. It utilizes the motion sensor to trigger an alarm if your device is touched or moved without permission, helping to prevent theft.

**Highlights:** Motion sensor alarm, Anti-theft protection, Simple to use, Instant alarm activation

**Features:** macOS Compatibility

**In-app purchases:** none


### DevPro Light

[App page](https://appshunter.io/ios/app/devpro-light-device-security/id1581108628)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| DevPro – Pro Version \| Unlock Pro | $1.99 | one-time |


## Frequently asked questions

### Is Motion Alarm FREE free?

Motion Alarm FREE is free to download, with no in-app purchases.

### Is DevPro Light free?

DevPro Light is free to download, with in-app purchases available.

### Do Motion Alarm FREE or DevPro Light have ads?

Neither Motion Alarm FREE nor DevPro Light shows ads.

### Which is updated more often, Motion Alarm FREE or DevPro Light?

Motion Alarm FREE ships an update every 3 weeks, and DevPro Light every 29 months. Most recently, Motion Alarm FREE was updated on October 3, 2026 and DevPro Light on October 8, 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.*