# Ajax PRO vs LEGEND Cloud

The clearest difference is update cadence: Ajax PRO at fortnightly against LEGEND Cloud's every 2 months. LEGEND Cloud's advantage is device support (3 vs 1) and iOS requirement (8.0 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, LEGEND Cloud every 2 months. The most recent releases landed on September 16, 2026 and May 19, 2026 respectively.

## The numbers

| Metric | Ajax PRO | LEGEND Cloud |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (12 ratings)](https://appshunter.io/ios/app/ajax-pro-tool-for-engineers/id1249276895/reviews)** | — |
| Number of ratings | **12** | — |
| Positive reviews | 72.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 2 months |
| Monetization | Free | — |
| Size | 638 MB | 89 MB |
| Requires iOS | 18.0 | **8.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [AJAX SCIENTIFIC AND PRODUCTION ENTERPRISE LIMITED LIABILITY COMPANY](https://appshunter.io/developer/1063166246) | [Inaxsys Security Systems Inc](https://appshunter.io/developer/958175709) |

## 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


### LEGEND Cloud

[App page](https://appshunter.io/ios/app/legend-cloud/id1545526499)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Ajax PRO free?

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

### Is LEGEND Cloud free?

LEGEND Cloud is free to download, with no in-app purchases.

### Do Ajax PRO or LEGEND Cloud have ads?

Neither Ajax PRO nor LEGEND Cloud shows ads.

### Which is updated more often, Ajax PRO or LEGEND Cloud?

Ajax PRO ships an update fortnightly, and LEGEND Cloud every 2 months. Most recently, Ajax PRO was updated on September 16, 2026 and LEGEND Cloud on May 19, 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.*