# Leak Defense System vs Proteus Sensor Cloud

The clearest difference is ads: Leak Defense System at none against Proteus Sensor Cloud's shown. Proteus Sensor Cloud's advantage is iOS requirement (12.0 vs 15.6). On price, update cadence, in-app purchases and device support there is nothing between them.

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

Leak Defense System ships an update every 3 weeks, Proteus Sensor Cloud every 6 weeks. The most recent releases landed on August 14, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Leak Defense System | Proteus Sensor Cloud |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (21 ratings)](https://appshunter.io/ios/app/leak-defense-system/id1452931362/reviews)** | — |
| Number of ratings | **21** | — |
| Positive reviews | 12.5% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 3 weeks** | Every 6 weeks |
| Monetization | Free | — |
| Size | 30 MB | 23 MB |
| Requires iOS | 15.6 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Calance](https://appshunter.io/developer/1043184786) | [Avarachan Cherian](https://appshunter.io/developer/1760793132) |

## What reviewers say

### Leak Defense System

[App page](https://appshunter.io/ios/app/leak-defense-system/id1452931362)

This system detects plumbing leaks and provides remote water shut-off capabilities for homes, high-rises, or entire buildings. It acts as an emergency shut-off solution, offering advanced control over your water supply.

**Highlights:** Remote water shut-off, Plumbing leak detection, Emergency water shut-off, Smart-home integration, Control for homes, high-rises, and buildings

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

**In-app purchases:** none


### Proteus Sensor Cloud

[App page](https://appshunter.io/ios/app/proteus-sensor-cloud/id6599858572)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Leak Defense System free?

Leak Defense System is free to download, with no in-app purchases.

### Is Proteus Sensor Cloud free?

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

### Do Leak Defense System or Proteus Sensor Cloud have ads?

Proteus Sensor Cloud shows ads; Leak Defense System does not.

### Which is updated more often, Leak Defense System or Proteus Sensor Cloud?

Leak Defense System ships an update every 3 weeks, and Proteus Sensor Cloud every 6 weeks. Most recently, Leak Defense System was updated on August 14, 2026 and Proteus Sensor Cloud on September 10, 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.*