Comparison

Leak Defense System vs Symmons Evolution

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • Remote water shut-off
  • Plumbing leak detection
  • Emergency water shut-off
  • Smart-home integration
  • Control for homes, high-rises, and buildings
Features
Read full description

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!

About

Symmons Evolution

Gain complete control and visibility over your building's water systems. Receive real-time alerts for issues, manage tasks, and track water savings. This app streamlines operations and promotes sustainability for facility managers.

Highlights
  • Real-time monitoring and alerts
  • Centralized action center for tasks
  • Dashboard insights and water savings tracking
  • On-site device management
  • AI-powered insights and recommendations
  • Multi-user management
  • Customizable notifications
Features
Read full description

Symmons Evolution: Wireless Building Management Powered by FacilitiesAI The Symmons Evolution® app gives you total visibility and control of your building’s water systems - anytime, anywhere. Designed for facility engineers, maintenance teams, and property managers, Evolution helps you stay ahead of issues, reduce water waste, and streamline operations across your entire portfolio. Key Features Real-Time Monitoring & Alerts Get instant notifications when leaks, temperature changes, or flow anomalies occur. AI-ranked alerts cut through the noise so you can focus on what matters most. Centralized Action Center Your daily task hub. View, prioritize, and resolve issues like offline sensors, hardware replacements, or review alerts - all guided by intelligent workflows. Dashboard Insights & Water Savings Track performance, uptime, and water savings across all your properties. Easily visualize system health, alert trends, and gallons saved over time. On-Site Device Management Add, replace, or troubleshoot devices directly from your phone. Connect wirelessly to set up gateways, sensors, and digital mixing valves - even offline. FacilitiesAI Integration Ask questions like “Where am I losing water?” and get AI-powered insights and recommendations. Gain deeper understanding of how your systems perform in real time. Multi-User Management Invite team members, assign roles, and manage access securely from your mobile device or web portal. Custom Notifications Stay connected with push, email, and SMS alerts tailored to your role, property, and alert preferences. Built for Sustainability Every feature is designed to help you save time, money, and water. Evolution users have already prevented millions of gallons of waste - and counting.

Screenshots

Leak Defense System3 screens
Symmons Evolution4 screens

Verdict

The call

The clearest difference is review sentiment: Symmons Evolution at 100% against Leak Defense System's 13%. Symmons Evolution also leads on rating (5.0 vs 3.0). On price, ratings volume, update cadence and ads 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

CostPrice · In-app purchases · Ads · Monetization

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

ReceptionRating · Positive reviews · Number of ratings

Symmons Evolution holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 21 and 8 respectively. Written reviews point the same way: 13% of Leak Defense System's written reviews are positive against 100% of Symmons Evolution's.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 7, 2026 and October 4, 2026 respectively.

Scorecard2 real differences · 8 level
Leak Defense System versus Symmons Evolution: the parameters behind the verdict, then further details
ParameterLeak Defense SystemSymmons Evolution
PriceFreeFree
Rating3.0 (21 ratings)5.0 (8 ratings) — better
Positive reviews12.5% of reviews100.0% of reviews — better
Number of ratings21 — better8
Update frequencyEvery 3 weeksEvery 3 weeks
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.6 — better16.4
Further details — not scored
Size31 MB89 MB
Age rating4+4+
DeveloperCalanceSymmons

Customer experience

Leak Defense System

All ratings21 ratings
Positive42.9%
Neutral9.5%
Negative47.6%
Written reviews8 reviews
Positive12.5%
Neutral25.0%
Negative62.5%

Symmons Evolution

All ratings8 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Leak Defense System

No in-app purchases

None

Symmons Evolution

No in-app purchases

Questions

Is Leak Defense System free?
Leak Defense System is free to download, with no in-app purchases.
Is Symmons Evolution free?
Symmons Evolution is free to download, with no in-app purchases.
Which has better reviews, Leak Defense System or Symmons Evolution?
Symmons Evolution is rated higher. Leak Defense System averages 3.0 out of 5 from 21 ratings, while Symmons Evolution averages 5.0 from 8 ratings.
Do Leak Defense System or Symmons Evolution have ads?
Neither Leak Defense System nor Symmons Evolution shows ads.
Which is updated more often, Leak Defense System or Symmons Evolution?
Leak Defense System ships an update every 3 weeks, and Symmons Evolution every 3 weeks. Most recently, Leak Defense System was updated on October 7, 2026 and Symmons Evolution on October 4, 2026.

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