# Ajax PRO vs Saq Engineer

The clearest difference is update cadence: Ajax PRO at fortnightly against Saq Engineer's monthly. Saq Engineer's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 18.0). On price, 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 ships an update fortnightly, Saq Engineer monthly. The most recent releases landed on October 17, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Ajax PRO | Saq Engineer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (14 ratings)](https://appshunter.io/ios/app/ajax-pro-tool-for-engineers/id1249276895/reviews)** | — |
| Number of ratings | **14** | — |
| Positive reviews | 72.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Monthly |
| Monetization | Free | — |
| Size | 654 MB | 47 MB |
| Requires iOS | 18.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Ajax Systems Inc](https://appshunter.io/developer/1063166246) | [INNOVATIVE SECURITY SYSTEMS-ISS, TOO](https://appshunter.io/developer/1810992486) |

## 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


### Saq Engineer

[App page](https://appshunter.io/ios/app/saq-engineer/id6775735537)

**Features:** macOS Compatibility, 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 Saq Engineer free?

Saq Engineer is free to download, with no in-app purchases.

### Do Ajax PRO or Saq Engineer have ads?

Neither Ajax PRO nor Saq Engineer shows ads.

### Which is updated more often, Ajax PRO or Saq Engineer?

Ajax PRO ships an update fortnightly, and Saq Engineer monthly. Most recently, Ajax PRO was updated on October 17, 2026 and Saq Engineer on October 8, 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.*