# SimpleSENCE vs Leak Defense System

The clearest difference is review sentiment: SimpleSENCE at 57% against Leak Defense System's 13%. SimpleSENCE also leads on rating (4.1 vs 3.0) and iOS requirement (11.0 vs 15.6). On price, ratings volume, update cadence and ads there is nothing between them.

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

SimpleSENCE holds the better App Store score, 4.1 against 3.0. Both are backed by a comparable volume of ratings — 8 and 21 respectively. Written reviews point the same way: 57% of SimpleSENCE's written reviews are positive against 13% of Leak Defense System's.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on June 1, 2026 and August 14, 2026 respectively.

## The numbers

| Metric | SimpleSENCE | Leak Defense System |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.1 (8 ratings)](https://appshunter.io/ios/app/simplesence/id1402678292/reviews)** | [3.0 (21 ratings)](https://appshunter.io/ios/app/leak-defense-system/id1452931362/reviews) |
| Number of ratings | 8 | **21** |
| Positive reviews | **57.1% of reviews** | 12.5% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | Free | Free |
| Size | 21 MB | 30 MB |
| Requires iOS | **11.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Sencentric, Inc.](https://appshunter.io/developer/1044914550) | [Calance](https://appshunter.io/developer/1043184786) |

## What reviewers say

### SimpleSENCE

[App page](https://appshunter.io/ios/app/simplesence/id1402678292)

This app monitors for water leaks and freezing temperatures, sending alerts to your device. It helps protect your home from potential water damage and costly repairs.

**Highlights:** Leak detection, Freeze alerts, Real-time notifications, Home protection, Sensor monitoring

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is SimpleSENCE free?

SimpleSENCE is free to download, with no in-app purchases.

### Is Leak Defense System free?

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

### Which has better reviews, SimpleSENCE or Leak Defense System?

SimpleSENCE is rated higher. SimpleSENCE averages 4.1 out of 5 from 8 ratings, while Leak Defense System averages 3.0 from 21 ratings.

### Do SimpleSENCE or Leak Defense System have ads?

Neither SimpleSENCE nor Leak Defense System shows ads.

### Which is updated more often, SimpleSENCE or Leak Defense System?

SimpleSENCE ships an update every 3 weeks, and Leak Defense System every 3 weeks. Most recently, SimpleSENCE was updated on June 1, 2026 and Leak Defense System on August 14, 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.*