# Ajax Security System vs BWT Best Water App

The clearest difference is review sentiment: Ajax Security System at 73% against BWT Best Water App's 0%. Ajax Security System also leads on ratings volume (274 vs 11) and monetization model (free vs ad-supported). BWT Best Water App's advantage is rating (4.6 vs 4.4) and iOS requirement (15.5 vs 18.0). On price, update cadence, 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.

BWT Best Water App holds the better App Store score, 4.6 against 4.4. That said, the two scores are not equally well evidenced: Ajax Security System has 274 ratings behind it against 11, so its average is the more settled of the two. Written reviews complicate that: 73% of Ajax Security System's written reviews are positive against 0% of BWT Best Water App's, so the app with the better star average is not the one people write more warmly about.

Both ship on a similar rhythm, roughly fortnightly. The most recent releases landed on October 26, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Ajax Security System | BWT Best Water App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (274 ratings)](https://appshunter.io/ios/app/ajax-security-system/id1063166247/reviews) | **[4.6 (11 ratings)](https://appshunter.io/ios/app/bwt-best-water-app/id6449092241/reviews)** |
| Number of ratings | **274** | 11 |
| Positive reviews | **72.9% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | Fortnightly |
| Monetization | **Free** | Ad-supported |
| Size | 745 MB | 147 MB |
| Requires iOS | 18.0 | **15.5** |
| Devices | iPhone, Apple TV, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ajax Systems Inc](https://appshunter.io/developer/1063166246) | [BWT Aktiengesellschaft](https://appshunter.io/developer/988401841) |

## 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


### BWT Best Water App

[App page](https://appshunter.io/ios/app/bwt-best-water-app/id6449092241)

Manage your home's BWT water products with a redesigned, intuitive interface. Monitor water softeners, filters, dosing units, and pool robots. Discover new innovations and receive maintenance reminders for efficient, sustainable water management.

**Highlights:** Redesigned user experience, Simplified device setup, Multi-language support, Product insights and virtual tours, Manage water softeners, filters, and dosing units, Monitor pool robots, Product sharing and professional area

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

**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 BWT Best Water App free?

BWT Best Water App is free to download, with no in-app purchases.

### Which has better reviews, Ajax Security System or BWT Best Water App?

BWT Best Water App is rated higher. Ajax Security System averages 4.4 out of 5 from 274 ratings, while BWT Best Water App averages 4.6 from 11 ratings.

### Do Ajax Security System or BWT Best Water App have ads?

Neither Ajax Security System nor BWT Best Water App shows ads.

### Which is updated more often, Ajax Security System or BWT Best Water App?

Ajax Security System ships an update fortnightly, and BWT Best Water App fortnightly. Most recently, Ajax Security System was updated on October 26, 2026 and BWT Best Water App on October 24, 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.*