One of the biggest advantages of Ajax alarms is that you don’t need to be at home to manage your system. With the Ajax Security System app, you can arm or disarm your alarm, add users, and receive instant alerts, all from your smartphone.
Whether you’re at work, on holiday, or just out shopping, controlling your Ajax alarm remotely gives you complete peace of mind. In this guide, we’ll show you exactly how to set your Ajax alarm using your mobile phone.
📖 Not sure if Ajax is right for you? Read our full guide: Are Ajax Alarms Any Good?
Step 1: Download the Ajax Security System App
The Ajax app is available for both iOS and Android:
- Search “Ajax Security System” in the App Store or Google Play.
- Download and install the app.
- Allow permissions for notifications, this ensures you’ll receive intrusion or fire alerts instantly.
Step 2: Connect Your Ajax Hub
Your Ajax Hub is the brain of the system. To link it to your phone:
- Open the app.
- Tap “Add Hub”.
- Scan the QR code found on your Hub.
- Follow the prompts to connect via Wi-Fi or Ethernet.
🔗 Browse our full Ajax Security Kits to find the right starter kit for your property.
Step 3: Arm or Disarm Remotely
Once your hub is connected, arming or disarming your system is simple:
- Open the app.
- Tap the lock icon to arm the system (full protection).
- Tap the unlock icon to disarm.
- Use night mode for partial arming, ideal when you’re home but want doors and windows secured.
📖 For more detail, see:
Step 4: Add Multiple Users
Want family members, employees, or tenants to control the system too? You can easily add users through the app.
- Go to Settings → Users → Add User.
- Send an invitation via their email or phone number.
- Assign permissions (full access, limited, or view-only).
📖 Full guide here: How to Add Users to Ajax Alarm
Step 5: Receive Instant Alerts
The Ajax app keeps you informed at all times:
- Intrusion detection alerts
- Low battery warnings
- Smoke or CO₂ detection alerts
- Tamper notifications
Pair your burglar alarm with Ajax smoke detectors for complete safety.
📖 Learn more: Best Smoke & CO₂ Detectors
Why Remote Control Matters
With the Ajax mobile app, you’ll never wonder if you remembered to set the alarm. Remote control gives you:
- Peace of mind when you’re away
- Real-time alerts if something happens
- Easy management for multiple properties
- Flexibility to let cleaners, staff, or guests in safely
Common Issues & Fixes
- Problem: App not connecting → Check Wi-Fi or 4G signal, and confirm Hub is online.
- Problem: Not receiving alerts → Ensure push notifications are enabled in your phone’s settings.
- Problem: Weak signal to sensors → Consider adding a repeater to extend coverage.
🔗 Explore Ajax Security Systems for accessories to strengthen your setup.
Setting your Ajax alarm remotely on your mobile phone is quick, secure, and one of the biggest reasons UK homeowners and businesses choose Ajax over brands like Yale. From arming at night mode to adding users or receiving smoke alerts, the Ajax app gives you complete control in the palm of your hand.
👉 Explore the full range of Ajax Smart Wireless Alarm Systems today and upgrade your property with professional-grade security.
📖 Next read: Are Ajax Alarms Any Good?