Comparison

OpenItem App Access Control vs Ajax Security System

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

OpenItem App Access Control

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
Read full description

OpenItem Access Control provides registered residents with the functionality to invite visitors using their contacts on their phone. The app provides the functionality to send invitations via SMS, iMessage or WhatsApp. Visitors then provide security with the PAC ( Personal Access Code) to quickly gain access to the estate. Additional features include : * Panic button (notify security with your gps location and record the emergency in the background via the microphone) * Estate communicator * Keep a list of regular visitors for easy access * Message inbox for courtesy entry and exit notifications, emergencies and newsletters

About

Ajax Security System

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
Read full description

Ajax Security System keeps you informed about what's happening at your space. Monitor Ajax system status, receive instant alerts, and manage security, video surveillance, and automation through a single intuitive interface. IN THE APP: - Arm and disarm your system with one tap - Monitor events and system status in real time - Receive critical alerts — even when your phone is in silent mode - View visual alarm verification with photos and video - Create automation scenarios - Use the mobile panic button in emergencies - Manage multiple spaces from one account, and more Over 4.5 million end users in more than 180 countries worldwide trust Ajax. We offer end-to-end solutions for protecting homes and businesses оf any scale. Ajax product portfolio includes over 300 devices for: - Intrusion protection - Video surveillance - Fire and life safety - Comfort and automation BUILD YOUR OWN SECURITY AND COMFORT WITH AJAX A SINGLE INTEGRATED ECOSYSTEM Ajax is a unified ecosystem in which intrusion protection, video surveillance, fire safety, water leak prevention, and automation work seamlessly together. You can add new devices and scale your system as space requirements grow — without compatibility issues, complex setup, or redesigning everything from scratch. INSTANT ALERTS WITH VISUAL PROOF You don't miss important events — you know exactly when and how to respond. When an intrusion, fire, or water leak is detected, the app sends a critical alert that breaks through Do Not Disturb mode. Visual alarm verification from Ajax cameras or MotionCam detectors helps you quickly understand what's happening on site. VIDEO SURVEILLANCE YOU CAN TRUST Watch live video or browse the archive directly in the app. Footage is synchronized with system events, giving you a clear visual context for every alarm and complete situational awareness. To protect your privacy, video streams use secure proprietary transmission technology, while passwordless camera authentication minimizes the risk of unauthorized access. AUTOMATION FOR ENHANCED SECURITY AND ROUTINES Set your system to operate automatically. Change security modes on a schedule, turn on lighting when motion is detected, shut off water in case of a leak, or control locks, gates, heating, and appliances. Automation scenarios run in the background — even without an internet connection — while you focus on your day. PROFESSIONAL RESPONSE, ONE TAP AWAY Connect your system to a monitoring company to access professional security services with fast alarm response. The largest alarm receiving centers and a wide range of CMS software in more than 180 countries support Ajax systems. In an emergency, press the in-app panic button to instantly transmit the event and your smartphone's location to the rapid response unit. • • • Ajax equipment is required to use the app. Devices are available from authorized Ajax Systems partners. Learn more at ajax.systems

Screenshots

OpenItem App Access Control4 screens
Ajax Security System4 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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 13, 2026 respectively.

Scorecard4 real differences · 6 level
OpenItem App Access Control versus Ajax Security System: the parameters behind the verdict, then further details
ParameterOpenItem App Access ControlAjax Security System
PriceFreeFree
Rating4.0 (4 ratings)4.4 (273 ratings) — better
Positive reviews10.0% of reviews72.9% of reviews — better
Number of ratings4273 — better
Update frequencyEvery 9 days — betterFortnightly
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPodiPhone, Apple Watch
Requires iOS15.0 — better18.0
Further details — not scored
Size175 MB739 MB
Age rating4+4+
DeveloperWyobiAjax Systems Inc

Customer experience

OpenItem App Access Control

All ratings4 ratings
Positive75.0%
Neutral0.0%
Negative25.0%
Written reviews10 reviews
Positive10.0%
Neutral20.0%
Negative70.0%

Ajax Security System

All ratings273 ratings
Positive83.2%
Neutral4.0%
Negative12.8%
Written reviews672 reviews
Positive72.9%
Neutral12.2%
Negative14.9%

Bugs and requests

OpenItem App Access Control

Not enough reviews yet to summarise bugs or requests.

Ajax Security System

Reported bugs

5 issues
  • 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

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

In-app purchases

None

OpenItem App Access Control

No in-app purchases

None

Ajax Security System

No in-app purchases

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 13, 2026.

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