# Ajax Security System vs Control4

The clearest difference is rating: Ajax Security System at 4.4 against Control4's 3.5. Ajax Security System also leads on review sentiment (73% vs 38%) and ratings volume (274 vs 74). On price, update cadence, ads and in-app purchases 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, 4.4 against 3.5. Both are backed by a comparable volume of ratings — 274 and 74 respectively. Written reviews point the same way: 73% of Ajax Security System's written reviews are positive against 38% of Control4's.

Both ship on a similar rhythm, roughly fortnightly. The most recent releases landed on October 26, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Ajax Security System | Control4 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (274 ratings)](https://appshunter.io/ios/app/ajax-security-system/id1063166247/reviews)** | [3.5 (74 ratings)](https://appshunter.io/ios/app/control4/id6618112371/reviews) |
| Number of ratings | **274** | 74 |
| Positive reviews | **72.9% of reviews** | 38.2% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | Fortnightly |
| Monetization | Free | Free |
| Size | 745 MB | 253 MB |
| Requires iOS | 18.0 | 18.0 |
| Devices | iPhone, Apple TV, Apple Watch | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Ajax Systems Inc](https://appshunter.io/developer/1063166246) | [Snap One, LLC](https://appshunter.io/developer/417819127) |

## 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


### Control4

[App page](https://appshunter.io/ios/app/control4/id6618112371)

Manage your smart home devices like lighting, music, and security from a single, intuitive interface. Customize your home screen and create automated routines for seamless control. Integrates with Apple HomeKit for Siri voice commands.

**Highlights:** All-in-one home screen control, Customizable favorites and widgets, Automated routines and scenes, Multiroom entertainment management, Live camera views and security alerts, Apple HomeKit and Siri integration

**Features:** macOS Compatibility, Apple Wallet, Apple Watch app, Vision Pro support

**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 Control4 free?

Control4 is free to download, with no in-app purchases.

### Which has better reviews, Ajax Security System or Control4?

Ajax Security System is rated higher. Ajax Security System averages 4.4 out of 5 from 274 ratings, while Control4 averages 3.5 from 74 ratings.

### Do Ajax Security System or Control4 have ads?

Neither Ajax Security System nor Control4 shows ads.

### Which is updated more often, Ajax Security System or Control4?

Ajax Security System ships an update fortnightly, and Control4 fortnightly. Most recently, Ajax Security System was updated on October 26, 2026 and Control4 on October 24, 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.*