Leak Defense System vs tekmarNet
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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!
tekmarNet
This app provides remote access to HVAC systems, allowing users to monitor and adjust thermostat settings like temperature and humidity. It also displays boiler system data and can graph or export system information. Receive email or text notifications for errors and warnings.
- Remote thermostat control
- View boiler system data
- Temperature and humidity adjustment
- System data graphing
- Export data to CSV
- Email/text error notifications
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The tekmarNet® mobile app allows remote access to an HVAC system when installed with a tekmarNet® Gateway 486. Users can view and change settings for each thermostat, including: temperature, heat/cool/auto, fan operation, relative humidity, schedules, and the away scene. In addition, the boiler system temperatures, firing rate, run times, and pump status can be viewed. All system data can be graphed on a chart or exported to a CSV file. Users are informed of errors and warnings through email or text notifications. The 486 includes three alert inputs that can be used to monitor auxiliary equipment.
Screenshots
Verdict
The clearest difference is rating: Leak Defense System at 3.0 against tekmarNet's 1.5. Leak Defense System also leads on update cadence (every 3 weeks vs every 3 months) and review sentiment (13% vs 0%). tekmarNet's advantage is iOS requirement (13.0 vs 15.6). 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 1.5. Both are backed by a comparable volume of ratings — 21 and 13 respectively. Written reviews point the same way: 13% of Leak Defense System's written reviews are positive against 0% of tekmarNet's.
Leak Defense System ships an update every 3 weeks, tekmarNet every 3 months. The most recent releases landed on October 24, 2026 and October 20, 2026 respectively.
| Parameter | Leak Defense System | tekmarNet |
|---|---|---|
| Price | Free | Free |
| Rating | 3.0 (21 ratings) — better | 1.5 (13 ratings) |
| Positive reviews | 12.5% of reviews — better | 0.0% of reviews |
| Number of ratings | 21 — better | 13 |
| Update frequency | Every 3 weeks — better | Every 3 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free — better | Ad-supported |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 13.0 — better |
| Further details — not scored | ||
| Size | 31 MB | 119 MB |
| Age rating | 4+ | 4+ |
| Developer | Calance | Watts Water Technologies |
Customer experience
Leak Defense System
tekmarNet
In-app purchases
Leak Defense System
No in-app purchases
tekmarNet
No in-app purchases
