# Ajax Security System vs MARSTEK

Ajax Security System and MARSTEK both sit at 4.4 stars, but that hides the real split: 73% of Ajax Security System's written reviews are positive against 35% of MARSTEK's. Ajax Security System also leads on ratings volume (276 vs 16). MARSTEK's advantage is iOS requirement (15.5 vs 18.0). On price, rating, update cadence and ads there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 4.4 for Ajax Security System against 4.4 for MARSTEK. That said, the two scores are not equally well evidenced: Ajax Security System has 276 ratings behind it against 16, so its average is the more settled of the two. Written reviews are what separate them: 73% of Ajax Security System's written reviews are positive against 35% of MARSTEK's.

Ajax Security System ships an update fortnightly, MARSTEK every 2 weeks. The most recent releases landed on November 2, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Ajax Security System | MARSTEK |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (276 ratings)](https://appshunter.io/ios/app/ajax-security-system/id1063166247/reviews) | **[4.4 (16 ratings)](https://appshunter.io/ios/app/marstek/id6459365638/reviews)** |
| Number of ratings | **276** | 16 |
| Positive reviews | **72.7% of reviews** | 35.5% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 2 weeks** |
| Monetization | Free | Free |
| Size | 748 MB | 214 MB |
| Requires iOS | 18.0 | **15.5** |
| Devices | iPhone, Apple TV, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Ajax Systems Inc](https://appshunter.io/developer/1063166246) | [Hamedata Technology Co., Limited](https://appshunter.io/developer/589308586) |

## What reviewers say

### Ajax Security System

[App page](https://appshunter.io/ios/app/ajax-security-system/id1063166247)

Monitor your home or office security, receive instant alerts, and manage video surveillance and automation from a single interface. Arm/disarm your system, view visual alarm verification, and create custom automation scenarios for enhanced safety and convenience.

**Highlights:** Arm and disarm system remotely, Real-time event monitoring, Instant critical alerts, Visual alarm verification, Automation scenario creation, Mobile panic button, Manage multiple spaces

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

**In-app purchases:** none

**What reviewers like**

- 🚀 Reliable system
- 👍 Easy to use app
- 🔒 Comprehensive security
- 💡 Convenient remote control
- 🚀 Stable and functional

**What reviewers complain about**

- 🐛 App freezes and crashes
- 👎 Constant updates
- 👎 Limited customization options
- 👎 Compatibility issues with iPad
- 👎 Buggy notifications

**Reported bugs**

- App freezing when accessing notifications
- Geofencing not working as expected
- Delayed response when arming/disarming
- Accidental panic button triggers
- Connectivity issues after WiFi changes

**Requested features**

- Ability to schedule night mode
- More sound options for door chimes
- Improved iPad app experience
- Siri/HomeKit integration
- Customizable alarm volume and notifications


### MARSTEK

[App page](https://appshunter.io/ios/app/marstek/id6459365638)

Monitor your solar energy system in real-time. Optimize for energy independence, outage protection, or savings with customizable preferences. Control your system remotely and receive instant alerts.

**Highlights:** Real-time solar energy monitoring, Customizable optimization preferences, Remote system control, Instant alerts, Energy independence, outage protection, and savings modes

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Ajax Security System free?

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

### Is MARSTEK free?

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

### Which has better reviews, Ajax Security System or MARSTEK?

MARSTEK is rated higher. Ajax Security System averages 4.4 out of 5 from 276 ratings, while MARSTEK averages 4.4 from 16 ratings.

### Do Ajax Security System or MARSTEK have ads?

Neither Ajax Security System nor MARSTEK shows ads.

### Which is updated more often, Ajax Security System or MARSTEK?

Ajax Security System ships an update fortnightly, and MARSTEK every 2 weeks. Most recently, Ajax Security System was updated on November 2, 2026 and MARSTEK on November 4, 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.*