# Ajax Security System vs Світло Суми

The clearest difference is in-app purchases: Ajax Security System at none against Світло Суми's 1. Ajax Security System also leads on ratings volume (273 vs 12). Світло Суми's advantage is iOS requirement (15.6 vs 18.0). On price, rating, update cadence and ads there is nothing between them.

Both are free to download. Світло Суми sells 1 in-app purchase, starting at $0.99 per month. Ajax Security System asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.4 for Ajax Security System against 4.4 for Світло Суми. That said, the two scores are not equally well evidenced: Ajax Security System has 273 ratings behind it against 12, so its average is the more settled of the two.

Both ship on a similar rhythm, roughly fortnightly. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Ajax Security System | Світло Суми |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (273 ratings)](https://appshunter.io/ios/app/ajax-security-system/id1063166247/reviews) | **[4.4 (12 ratings)](https://appshunter.io/ios/app/id6739186060/reviews)** |
| Number of ratings | **273** | 12 |
| Positive reviews | 72.9% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | Fortnightly |
| Monetization | Free | Free |
| Size | 745 MB | 29 MB |
| Requires iOS | 18.0 | **15.6** |
| Devices | iPhone, Apple TV, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ajax Systems Inc](https://appshunter.io/developer/1063166246) | [Pavlo Budionny](https://appshunter.io/developer/1784117319) |

## 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


### Світло Суми

[App page](https://appshunter.io/ios/app/id6739186060)

Stay informed about electricity outages in real-time. Select your preferred power queues to receive updates on scheduled and emergency disconnections. This app aims to simplify finding current information on power cuts.

**Highlights:** Real-time outage status, Select multiple power queues, Information on emergency disconnections, Simplified information search, Operative emergency alerts

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Світло Суми - Без реклами | $0.99 | per month |


## Frequently asked questions

### Is Ajax Security System free?

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

### Is Світло Суми free?

Світло Суми is free to download, with in-app purchases available.

### Which has better reviews, Ajax Security System or Світло Суми?

Світло Суми is rated higher. Ajax Security System averages 4.4 out of 5 from 273 ratings, while Світло Суми averages 4.4 from 12 ratings.

### Do Ajax Security System or Світло Суми have ads?

Neither Ajax Security System nor Світло Суми shows ads.

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

Ajax Security System ships an update fortnightly, and Світло Суми fortnightly. Most recently, Ajax Security System was updated on October 24, 2026 and Світло Суми on October 25, 2026.

---

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