Leak Defense System vs Paraco
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!
Paraco
Instantly monitor your tank levels with real-time readings on your smartphone. Track usage, receive low-level alerts, and easily contact your fuel supplier for refills. Manage multiple tanks and share access with others.
- Real-time tank level tracking
- Past 3 months usage consultation
- Configurable low-level notifications
- One-tap fuel supplier contact
- Multi-tank management
- Share data with up to 3 users
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Accurately monitor your tank level! With the Paraco Fill app, trying to guess tank levels is now a thing of the past. Get accurate, real-time readings of all your tanks instantly on your smartphone. Key characteristics of the Paraco Fill app: 1. Accurately track the level of your tank in real-time from anywhere. 2. Consult your usage for the past 3 months in the blink of an eye. 3. Receive instant notifications on your smartphone when your tank reaches configurable and pre-determined levels. 4. With just one tap, contact your fuel supplier to request service or a refill. 5. Monitor and manage multiple tanks from one account. 6. Share access to data with up to 3 users. Important: The Paraco Fill app requires the installation of the Paraco Gas tank monitor to function. INTERESTED? Contact your fuel supplier for more details or to request your activation code!
Screenshots
Verdict
The clearest difference is rating: Paraco at 4.5 against Leak Defense System's 3.0. Paraco also leads on ratings volume (186 vs 21). Leak Defense System's advantage is update cadence (every 3 weeks vs every 45 months). On price, review sentiment, 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.
Paraco holds the better App Store score, 4.5 against 3.0. That said, the two scores are not equally well evidenced: Paraco has 186 ratings behind it against 21, so its average is the more settled of the two. Written reviews point the same way: 13% of Leak Defense System's written reviews are positive against 14% of Paraco's.
Leak Defense System ships an update every 3 weeks, Paraco every 45 months. The most recent releases landed on October 7, 2026 and October 17, 2026 respectively.
| Parameter | Leak Defense System | Paraco |
|---|---|---|
| Price | Free | Free |
| Rating | 3.0 (21 ratings) | 4.5 (186 ratings) — better |
| Positive reviews | 12.5% of reviews | 14.3% of reviews — better |
| Number of ratings | 21 | 186 — better |
| Update frequency | Every 3 weeks — better | Every 45 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.6 — better | 16.4 |
| Further details — not scored | ||
| Size | 31 MB | 80 MB |
| Age rating | 4+ | 4+ |
| Developer | Calance | Reseau sans fil Otodata Inc |
Customer experience
Leak Defense System
Paraco
In-app purchases
Leak Defense System
No in-app purchases
Paraco
No in-app purchases
