# Observer HD vs SLAA Mobile

The clearest difference is update cadence: Observer HD at every 3 weeks against SLAA Mobile's every 4 months. Observer HD also leads on iOS requirement (8.0 vs 15.1). 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.

Observer HD ships an update every 3 weeks, SLAA Mobile every 4 months. The most recent releases landed on October 24, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Observer HD | SLAA Mobile |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.3 (16 ratings)](https://appshunter.io/ios/app/observer-hd/id933290800/reviews)** | — |
| Number of ratings | **16** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 4 months |
| Monetization | Free | — |
| Size | 14 MB | 45 MB |
| Requires iOS | **8.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [JSW PACIFIC CORPORATION](https://appshunter.io/developer/999731327) | [St. Louis Apartment Association](https://appshunter.io/developer/1754231258) |

## What reviewers say

### Observer HD

[App page](https://appshunter.io/ios/app/observer-hd/id933290800)

Monitor your properties and loved ones with this easy-to-install wireless security camera system. Access live video feeds and playback recorded events remotely via 3G or Wi-Fi from your iOS device. Enjoy peace of mind with simple setup and control.

**Highlights:** View wireless security camera system, Access via 3G or Wi-Fi, Live video streaming from iOS, Select and playback event video, Supports 3 remote viewers

**Features:** macOS Compatibility

**In-app purchases:** none


### SLAA Mobile

[App page](https://appshunter.io/ios/app/slaa-mobile/id6504884328)

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

**In-app purchases:** none


## Frequently asked questions

### Is Observer HD free?

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

### Is SLAA Mobile free?

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

### Do Observer HD or SLAA Mobile have ads?

Neither Observer HD nor SLAA Mobile shows ads.

### Which is updated more often, Observer HD or SLAA Mobile?

Observer HD ships an update every 3 weeks, and SLAA Mobile every 4 months. Most recently, Observer HD was updated on October 24, 2026 and SLAA Mobile on October 17, 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.*