# Smart Entry vs Leak Defense System

The clearest difference is rating: Smart Entry at 3.7 against Leak Defense System's 3.0. Smart Entry also leads on iOS requirement (12.1 vs 15.6). Leak Defense System's advantage is ratings volume (21 vs 3). 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.

Smart Entry holds the better App Store score, 3.7 against 3.0. That said, the two scores are not equally well evidenced: Leak Defense System has 21 ratings behind it against 3, so its average is the more settled of the two.

Smart Entry ships an update every 6 weeks, Leak Defense System every 3 weeks. The most recent releases landed on October 2, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Smart Entry | Leak Defense System |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.7 (3 ratings)](https://appshunter.io/ios/app/smart-entry/id1451896889/reviews)** | [3.0 (21 ratings)](https://appshunter.io/ios/app/leak-defense-system/id1452931362/reviews) |
| Number of ratings | 3 | **21** |
| Positive reviews | — | 12.5% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 70 MB | 31 MB |
| Requires iOS | **12.1** | 15.6 |
| Devices | iPhone, iPod, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Accurate Lock and Hardware co LLC](https://appshunter.io/developer/1451896888) | [Calance](https://appshunter.io/developer/1043184786) |

## What reviewers say

### Smart Entry

[App page](https://appshunter.io/ios/app/smart-entry/id1451896889)

Securely manage and monitor access to your property using your smartphone. This application allows for convenient control of openings, providing peace of mind and enhanced security.

**Highlights:** Secure access control, Monitor property openings, Smartphone integration, Remote access management

**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 Smart Entry free?

Smart Entry 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, Smart Entry or Leak Defense System?

Smart Entry is rated higher. Smart Entry averages 3.7 out of 5 from 3 ratings, while Leak Defense System averages 3.0 from 21 ratings.

### Do Smart Entry or Leak Defense System have ads?

Neither Smart Entry nor Leak Defense System shows ads.

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

Smart Entry ships an update every 6 weeks, and Leak Defense System every 3 weeks. Most recently, Smart Entry was updated on October 2, 2026 and Leak Defense System on October 7, 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.*