# Leak Defense System vs Ross School App

The clearest difference is update cadence: Leak Defense System at every 3 weeks against Ross School App's every 3 months. Leak Defense System also leads on device support (3 vs 1) and iOS requirement (15.6 vs 18.6). On price, 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.

Leak Defense System ships an update every 3 weeks, Ross School App every 3 months. The most recent releases landed on October 24, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Leak Defense System | Ross School App |
| --- | --- | --- |
| 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 | No |
| Update frequency | **Every 3 weeks** | Every 3 months |
| Monetization | Free | — |
| Size | 31 MB | 172 MB |
| Requires iOS | **15.6** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Calance](https://appshunter.io/developer/1043184786) | [Refresh Software, INC](https://appshunter.io/developer/874317690) |

## 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


### Ross School App

[App page](https://appshunter.io/ios/app/ross-school-app/id6736598627)

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

**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 Ross School App free?

Ross School App is free to download, with no in-app purchases.

### Do Leak Defense System or Ross School App have ads?

Neither Leak Defense System nor Ross School App shows ads.

### Which is updated more often, Leak Defense System or Ross School App?

Leak Defense System ships an update every 3 weeks, and Ross School App every 3 months. Most recently, Leak Defense System was updated on October 24, 2026 and Ross School App on October 30, 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.*