Ajax PRO vs Control NOVA II
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Ajax PRO
This app empowers security system installers and company employees to manage and configure Ajax security systems. It facilitates quick connections, adjustments, and testing of devices, offering extensive control over an unlimited number of security systems, user access, and automation scenarios.
- Administer unlimited security systems
- Monitor system status and adjust settings
- Manage user access rights
- Create objects and connect equipment
- Test devices and connect cameras
- Customize automation scenarios and security schedules
- Connect hubs to monitoring stations
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Ajax PRO: Tool for Engineers streamlines Ajax system installation, configuration, and maintenance. Easily navigate the intuitive interface and manage thousands of sites on the go. Access project-grade devices available exclusively to authorized Ajax Systems partners and unlock the full capabilities of Ajax solutions. INSTALL AND CONFIGURE SYSTEMS USING ONLY A SMARTPHONE · Add wireless devices by scanning QR codes · Add wired devices with automatic line scanning · Test devices in just a few taps · Configure devices with in-app wizards and guidance · Access manuals and documentation during installation RESOLVE MAINTENANCE REQUESTS REMOTELY · Adjust detector sensitivity · Check device states and battery levels · Configure automation scenarios · Add users and manage access rights · Temporarily or permanently deactivate devices · Monitor system faults and compliance in real time MANAGE THOUSANDS OF SITES EFFICIENTLY · Quickly find sites, users, and devices with smart search and flexible filters · Track all system activity with a detailed, non-editable event log · Focus on critical events with customizable notifications · Switch seamlessly between personal and company accounts · Connect your account to multiple companies GET SECURE ACCESS TO CLIENT SYSTEMS · Log in via password, Face ID, or fingerprint · Two-factor authentication (2FA) support · Single Sign-On (SSO) for corporate accounts · Full session control with instant session termination Over 4.5 million users across more than 180 countries trust Ajax. We offer end-to-end solutions for protecting homes and businesses оf any scale. The Ajax product portfolio includes more than 300 devices for: · Intrusion protection · Video surveillance · Fire and life safety · Comfort and automation • • • Ajax equipment is required to use the app. Devices are available through authorized Ajax Systems partners. Learn more at ajax.systems
Control NOVA II
This app provides comprehensive remote access to your security system. Arm or disarm your system, monitor zone status, control automated devices like heating and lighting, and receive instant PUSH notifications for events. It also allows viewing live camera streams and managing system users.
- Remote arming/disarming
- Zone status monitoring
- Control of automatics (heating, lighting)
- Event log viewing
- User management
- PUSH notifications
- Security camera stream viewing
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Wherever you are, all you need to do is connect your smartphone to the Internet. Control NOVA II gives complete remote access to your security system: - Arming/disarming of the security system. - View the status of zones. - Control of automatics - heating, lighting, water supply and more. - View the event log with detailed event information. - View ahd configure system users by the Administrator. - Instant reception of information from the security system in the form of PUSH messages (alarms, faults, arming/disarming, etc.). - View streams from security cameras (RTSP connection). - View information about the status of remote monitoring of the object. Each session of communication with your security system is protected by an access code or a fingerprint (3D face) scan. The exchange of information takes place in an encrypted form. The application supports simultaneous operation with different objects. This may be your apartment, house, office, garage, etc.
Screenshots
Verdict
The clearest difference is review sentiment: Ajax PRO at 72% against Control NOVA II's 0%. Ajax PRO also leads on rating (4.6 vs 2.8) and update cadence (fortnightly vs every 2 months). Control NOVA II's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 18.0). On price, ratings volume, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Ajax PRO holds the better App Store score, 4.6 against 2.8. Both are backed by a comparable volume of ratings — 12 and 6 respectively. Written reviews point the same way: 72% of Ajax PRO's written reviews are positive against 0% of Control NOVA II's.
Ajax PRO ships an update fortnightly, Control NOVA II every 2 months. The most recent releases landed on September 16, 2026 and September 11, 2026 respectively.
| Parameter | Ajax PRO | Control NOVA II |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (12 ratings) — better | 2.8 (6 ratings) |
| Positive reviews | 72.0% of reviews — better | 0.0% of reviews |
| Number of ratings | 12 — better | 6 |
| Update frequency | Fortnightly — better | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone | iPhone, iPod, Apple Watch — better |
| Requires iOS | 18.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 638 MB | 109 MB |
| Age rating | 4+ | 4+ |
| Developer | AJAX SCIENTIFIC AND PRODUCTION ENTERPRISE LIMITED LIABILITY COMPANY | TIRAS-12, TOV |
Customer experience
Ajax PRO
Control NOVA II
In-app purchases
Ajax PRO
No in-app purchases
Control NOVA II
No in-app purchases









