# Active Mobile V4 vs TrailerSat

The clearest difference is in-app purchases: TrailerSat at none against Active Mobile V4's 4. TrailerSat also leads on iOS requirement (13.0 vs 15.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Active Mobile V4 sells 4 in-app purchases, starting at $0.99 per month. TrailerSat asks for nothing beyond the download.

Active Mobile V4 ships an update every 3 months, TrailerSat every 2 months. The most recent releases landed on October 12, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | Active Mobile V4 | TrailerSat |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (957 ratings)](https://appshunter.io/ios/app/active-mobile-v4/id1518658012/reviews)** | — |
| Number of ratings | **957** | — |
| Positive reviews | 31.9% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | Free with in-app purchases | — |
| Size | 231 MB | 26 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [JFL Alarmes](https://appshunter.io/developer/631370609) | [INOVE DESENVOLVIMENTO DE SISTEMAS E SOLUCOES EMPRESARIAIS LTDA](https://appshunter.io/developer/1487319496) |

## What reviewers say

### Active Mobile V4

[App page](https://appshunter.io/ios/app/active-mobile-v4/id1518658012)

Monitor and control your alarm system remotely. Arm/disarm your system, view camera feeds, and receive real-time notifications with custom sounds. Manage PGM outputs and access cameras directly from alerts.

**Highlights:** Real-time alarm status, Arm and disarm system, View floor plans of zones, Live camera feeds, Customizable notification sounds, PGM output control, Access cameras from notifications

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| JFL+ | $0.99 | per month |
| Basic | $5.49 | per month |
| Standard | $8.99 | per month |
| Premium | $21.49 | per month |


### TrailerSat

[App page](https://appshunter.io/ios/app/trailersat/id6499279866)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Active Mobile V4 free?

Active Mobile V4 is free to download, with in-app purchases available.

### Is TrailerSat free?

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

### Do Active Mobile V4 or TrailerSat have ads?

Neither Active Mobile V4 nor TrailerSat shows ads.

### Which is updated more often, Active Mobile V4 or TrailerSat?

Active Mobile V4 ships an update every 3 months, and TrailerSat every 2 months. Most recently, Active Mobile V4 was updated on October 12, 2026 and TrailerSat on September 11, 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.*