Quantum Plus vs WaterHandler
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Quantum Plus
Manage your security system, cameras, and connected devices remotely. Enjoy interactive security features and home control from any location worldwide.
- Interactive security management
- Home device control
- Video monitoring
- Remote access
- Connected device integration
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Interactive security, Home control, Video monitoring, Quantum Plus give you complete control over your security system, cameras, and other connected devices from anywhere in the world.
WaterHandler
Remotely monitor and control various smart home devices, including water valves, lights, and appliances. This system allows for faster and easier management of your connected devices from any location.
- Connect and control multiple devices
- Faster and easier device management
- Remote monitoring of smart devices
- Control appliances like water valves and lights
- Access from anywhere
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With WaterHandler Hero Control System, you can connect and control multiple devices faster and easier. Wherever you are, you can monitor and control smart devices, and appliances (water valves, light, washing machine, hob, etc.
Screenshots
Verdict
The clearest difference is ratings volume: Quantum Plus at 83 against WaterHandler's 2. Quantum Plus also leads on device support (4 vs 2). WaterHandler's advantage is iOS requirement (13.4 vs 15.0). On price, rating, update cadence and ads there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
WaterHandler holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Quantum Plus has 83 ratings behind it against 2, so its average is the more settled of the two.
Quantum Plus ships an update every 4 weeks, WaterHandler monthly. The most recent releases landed on August 18, 2026 and July 28, 2026 respectively.
| Parameter | Quantum Plus | WaterHandler |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (83 ratings) | 5.0 (2 ratings) — better |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 83 — better | 2 |
| Update frequency | Every 4 weeks — better | Monthly |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod, Apple Watch — better | iPhone, iPod |
| Requires iOS | 15.0 | 13.4 — better |
| Further details — not scored | ||
| Size | 376 MB | 27 MB |
| Age rating | 4+ | 4+ |
| Developer | Safe Home Security Inc | Hero Control System |
Customer experience
Quantum Plus
WaterHandler
In-app purchases
Quantum Plus
No in-app purchases
WaterHandler
No in-app purchases
