# Ajax PRO vs IQ Installer Interface

The clearest difference is review sentiment: Ajax PRO at 72% against IQ Installer Interface's 0%. Ajax PRO also leads on rating (4.6 vs 2.4) and update cadence (fortnightly vs every 4 months). IQ Installer Interface's advantage is device support (3 vs 1) and iOS requirement (15.5 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 2.4. Both are backed by a comparable volume of ratings — 12 and 11 respectively. Written reviews point the same way: 72% of Ajax PRO's written reviews are positive against 0% of IQ Installer Interface's.

Ajax PRO ships an update fortnightly, IQ Installer Interface every 4 months. The most recent releases landed on September 16, 2026 and August 31, 2026 respectively.

## The numbers

| Metric | Ajax PRO | IQ Installer Interface |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (12 ratings)](https://appshunter.io/ios/app/ajax-pro-tool-for-engineers/id1249276895/reviews)** | [2.4 (11 ratings)](https://appshunter.io/ios/app/iq-installer-interface/id1643672940/reviews) |
| Number of ratings | **12** | 11 |
| Positive reviews | **72.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 4 months |
| Monetization | Free | Free |
| Size | 638 MB | 114 MB |
| Requires iOS | 18.0 | **15.5** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [AJAX SCIENTIFIC AND PRODUCTION ENTERPRISE LIMITED LIABILITY COMPANY](https://appshunter.io/developer/1063166246) | [Tyco Safety Products Canada, Ltd.](https://appshunter.io/developer/489891684) |

## 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


### IQ Installer Interface

[App page](https://appshunter.io/ios/app/iq-installer-interface/id1643672940)

This app allows professional installers to quickly configure Johnson Control security panels like IQ 4 and IQ Pro. It offers a streamlined setup wizard, device programming, user management, and system testing for efficient installation without cloud access.

**Highlights:** Device programming, User management, Software upgrades, System configuration, Step-by-step installation wizard, System tests and diagnostics

**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 IQ Installer Interface free?

IQ Installer Interface is free to download, with no in-app purchases.

### Which has better reviews, Ajax PRO or IQ Installer Interface?

Ajax PRO is rated higher. Ajax PRO averages 4.6 out of 5 from 12 ratings, while IQ Installer Interface averages 2.4 from 11 ratings.

### Do Ajax PRO or IQ Installer Interface have ads?

Neither Ajax PRO nor IQ Installer Interface shows ads.

### Which is updated more often, Ajax PRO or IQ Installer Interface?

Ajax PRO ships an update fortnightly, and IQ Installer Interface every 4 months. Most recently, Ajax PRO was updated on September 16, 2026 and IQ Installer Interface on August 31, 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.*