ElkLink Mobile vs Leak Defense System
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ElkLink Mobile
Control your M1 Security System remotely. Arm, disarm, receive and respond to alarms, and review system history. Requires a compatible security system and user account.
- Arm and disarm system
- Receive and respond to alarms
- View recent system history
- Basic system control
- Remote access
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Designed for C1M1 enabled M1 Security Systems, ElkLink Mobile is ideal for users that desire a simple, easy-to-use app for basic system control. With ElkLink Mobile, users can arm, disarm, receive and respond to an alarm, and view recent history. Requirements for this app include an ELK M1 Security System with a C1M1 Dual-Path Communicator and a valid ElkLink user account
Leak Defense System
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.
- Remote water shut-off
- Plumbing leak detection
- Emergency water shut-off
- Smart-home integration
- Control for homes, high-rises, and buildings
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The Leak Defense System is the industry leader in water leak shut off systems and smart-home water shut off valves. It's so advanced that you can turn off water to your home, a zone of a high-rise or the entire building with a touch of a button. Detects plumbing leaks and serves as an emergency water shut off too!
Screenshots
Verdict
The clearest difference is rating: Leak Defense System at 3.0 against ElkLink Mobile's 1.9. Leak Defense System also leads on update cadence (every 3 weeks vs every 22 months). ElkLink Mobile's advantage is review sentiment (22% vs 13%). On price, ratings volume, ads and in-app purchases 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.
Leak Defense System holds the better App Store score, 3.0 against 1.9. Both are backed by a comparable volume of ratings — 14 and 21 respectively. Written reviews complicate that: 22% of ElkLink Mobile's written reviews are positive against 13% of Leak Defense System's, so the app with the better star average is not the one people write more warmly about.
ElkLink Mobile ships an update every 22 months, Leak Defense System every 3 weeks. Both last shipped on October 24, 2026.
| Parameter | ElkLink Mobile | Leak Defense System |
|---|---|---|
| Price | Free | Free |
| Rating | 1.9 (14 ratings) | 3.0 (21 ratings) — better |
| Positive reviews | 22.2% of reviews — better | 12.5% of reviews |
| Number of ratings | 14 | 21 — better |
| Update frequency | Every 22 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 15.6 | 15.6 |
| Further details — not scored | ||
| Size | 7 MB | 31 MB |
| Age rating | 4+ | 4+ |
| Developer | Elk Products Inc. | Calance |
Customer experience
ElkLink Mobile
Leak Defense System
In-app purchases
ElkLink Mobile
No in-app purchases
Leak Defense System
No in-app purchases
Questions
Is ElkLink Mobile free?
Is Leak Defense System free?
Which has better reviews, ElkLink Mobile or Leak Defense System?
Do ElkLink Mobile or Leak Defense System have ads?
Which is updated more often, ElkLink Mobile or Leak Defense System?
Other comparisons
