# OpenItem App Access Control vs Ajax Security System

The clearest difference is review sentiment: Ajax Security System at 73% against OpenItem App Access Control's 10%. Ajax Security System also leads on rating (4.4 vs 4.0) and ratings volume (273 vs 4). OpenItem App Access Control's advantage is iOS requirement (15.0 vs 18.0). 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 4.0. That said, the two scores are not equally well evidenced: Ajax Security System has 273 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 10% of OpenItem App Access Control's written reviews are positive against 73% of Ajax Security System's.

OpenItem App Access Control ships an update every 9 days, Ajax Security System fortnightly. The most recent releases landed on October 1, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | OpenItem App Access Control | Ajax Security System |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (4 ratings)](https://appshunter.io/ios/app/openitem-app-access-control/id915826670/reviews) | **[4.4 (273 ratings)](https://appshunter.io/ios/app/ajax-security-system/id1063166247/reviews)** |
| Number of ratings | 4 | **273** |
| Positive reviews | 10.0% of reviews | **72.9% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 9 days** | Fortnightly |
| Monetization | Free | Free |
| Size | 175 MB | 745 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | iPhone, iPod | **iPhone, Apple TV, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Wyobi](https://appshunter.io/developer/901504419) | [Ajax Systems Inc](https://appshunter.io/developer/1063166246) |

## What reviewers say

### OpenItem App Access Control

[App page](https://appshunter.io/ios/app/openitem-app-access-control/id915826670)

Easily invite guests to your residence by sending them access codes via SMS, iMessage, or WhatsApp. Visitors can then use these codes for quick entry. The app also features a panic button, estate communication tools, and a message inbox for important notifications.

**Highlights:** Invite visitors via SMS, iMessage, WhatsApp, Generate Personal Access Codes (PACs), Panic button with GPS and microphone recording, Estate communicator, Manage list of regular visitors, Message inbox for notifications

**Features:** Apple Wallet, Vision Pro support

**In-app purchases:** none


### 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


## Frequently asked questions

### Is OpenItem App Access Control free?

OpenItem App Access Control is free to download, with no in-app purchases.

### Is Ajax Security System free?

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

### Which has better reviews, OpenItem App Access Control or Ajax Security System?

Ajax Security System is rated higher. OpenItem App Access Control averages 4.0 out of 5 from 4 ratings, while Ajax Security System averages 4.4 from 273 ratings.

### Do OpenItem App Access Control or Ajax Security System have ads?

Neither OpenItem App Access Control nor Ajax Security System shows ads.

### Which is updated more often, OpenItem App Access Control or Ajax Security System?

OpenItem App Access Control ships an update every 9 days, and Ajax Security System fortnightly. Most recently, OpenItem App Access Control was updated on October 1, 2026 and Ajax Security System on October 15, 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.*