# Ajax Security System vs Salus Solo

The clearest difference is rating: Ajax Security System at 4.3 against Salus Solo's 2.3. Ajax Security System also leads on update cadence (fortnightly vs every 3 months) and ratings volume (270 vs 3). Salus Solo's advantage is iOS requirement (13.0 vs 18.0). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Ajax Security System holds the better App Store score, 4.3 against 2.3. That said, the two scores are not equally well evidenced: Ajax Security System has 270 ratings behind it against 3, so its average is the more settled of the two.

Ajax Security System ships an update fortnightly, Salus Solo every 3 months. The most recent releases landed on September 26, 2026 and June 6, 2026 respectively.

## The numbers

| Metric | Ajax Security System | Salus Solo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (270 ratings)](https://appshunter.io/ios/app/ajax-security-system/id1063166247/reviews)** | [2.3 (3 ratings)](https://appshunter.io/ios/app/salus-solo/id1509605677/reviews) |
| Number of ratings | **270** | 3 |
| Positive reviews | 73.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 3 months |
| Monetization | Free | Free |
| Size | 727 MB | 25 MB |
| Requires iOS | 18.0 | **13.0** |
| Devices | iPhone, Apple Watch | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Ajax Systems Inc](https://appshunter.io/developer/1063166246) | [Salus North America, Inc.](https://appshunter.io/developer/1178286927) |

## What reviewers say

### Ajax Security System

[App page](https://appshunter.io/ios/app/ajax-security-system/id1063166247)

Monitor your home or office security, receive instant alerts, and manage video surveillance and automation from a single interface. Arm/disarm your system, view visual alarm verification, and create custom automation scenarios for enhanced safety and convenience.

**Highlights:** Arm and disarm system remotely, Real-time event monitoring, Instant critical alerts, Visual alarm verification, Automation scenario creation, Mobile panic button, Manage multiple spaces

**Features:** Apple Watch app, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🚀 Reliable system
- 👍 Easy to use app
- 🔒 Comprehensive security
- 💡 Convenient remote control
- 🚀 Stable and functional

**What reviewers complain about**

- 🐛 App freezes and crashes
- 👎 Constant updates
- 👎 Limited customization options
- 👎 Compatibility issues with iPad
- 👎 Buggy notifications

**Reported bugs**

- App freezing when accessing notifications
- Geofencing not working as expected
- Delayed response when arming/disarming
- Accidental panic button triggers
- Connectivity issues after WiFi changes

**Requested features**

- Ability to schedule night mode
- More sound options for door chimes
- Improved iPad app experience
- Siri/HomeKit integration
- Customizable alarm volume and notifications


### Salus Solo

[App page](https://appshunter.io/ios/app/salus-solo/id1509605677)

Monitor and control your HVAC systems remotely with an intuitive interface. View thermostat status, adjust temperatures, and manage heating, cooling, and fan modes. Connect easily via Bluetooth to your home Wi-Fi network.

**Highlights:** Remote HVAC monitoring, Set-point temperature control, Heating, cooling, and fan mode management, Schedule adjustments, System parameter settings, Bluetooth Wi-Fi connection

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Ajax Security System free?

Ajax Security System is free to download, with no in-app purchases.

### Is Salus Solo free?

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

### Which has better reviews, Ajax Security System or Salus Solo?

Ajax Security System is rated higher. Ajax Security System averages 4.3 out of 5 from 270 ratings, while Salus Solo averages 2.3 from 3 ratings.

### Do Ajax Security System or Salus Solo have ads?

Neither Ajax Security System nor Salus Solo shows ads.

### Which is updated more often, Ajax Security System or Salus Solo?

Ajax Security System ships an update fortnightly, and Salus Solo every 3 months. Most recently, Ajax Security System was updated on September 26, 2026 and Salus Solo on June 6, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*