# Ajax PRO vs Control NOVA II

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.

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.

## The numbers

| Metric | Ajax PRO | Control NOVA II |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (12 ratings)](https://appshunter.io/ios/app/ajax-pro-tool-for-engineers/id1249276895/reviews)** | [2.8 (6 ratings)](https://appshunter.io/ios/app/control-nova-ii/id1452046941/reviews) |
| Number of ratings | **12** | 6 |
| Positive reviews | **72.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 2 months |
| Monetization | Free | Free |
| Size | 638 MB | 109 MB |
| Requires iOS | 18.0 | **15.0** |
| Devices | iPhone | **iPhone, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [AJAX SCIENTIFIC AND PRODUCTION ENTERPRISE LIMITED LIABILITY COMPANY](https://appshunter.io/developer/1063166246) | [TIRAS-12, TOV](https://appshunter.io/developer/1140226201) |

## What reviewers say

### Ajax PRO

[App page](https://appshunter.io/ios/app/ajax-pro-tool-for-engineers/id1249276895)

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.

**Highlights:** 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

**Features:** Vision Pro support

**In-app purchases:** none


### Control NOVA II

[App page](https://appshunter.io/ios/app/control-nova-ii/id1452046941)

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.

**Highlights:** Remote arming/disarming, Zone status monitoring, Control of automatics (heating, lighting), Event log viewing, User management, PUSH notifications, Security camera stream viewing

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

**In-app purchases:** none


## Frequently asked questions

### Is Ajax PRO free?

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

### Is Control NOVA II free?

Control NOVA II is free to download, with no in-app purchases.

### Which has better reviews, Ajax PRO or Control NOVA II?

Ajax PRO is rated higher. Ajax PRO averages 4.6 out of 5 from 12 ratings, while Control NOVA II averages 2.8 from 6 ratings.

### Do Ajax PRO or Control NOVA II have ads?

Neither Ajax PRO nor Control NOVA II shows ads.

### Which is updated more often, Ajax PRO or Control NOVA II?

Ajax PRO ships an update fortnightly, and Control NOVA II every 2 months. Most recently, Ajax PRO was updated on September 16, 2026 and Control NOVA II on September 11, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*