Comparison

Flume Water vs Phyn

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

Head to head
About

Flume Water

Monitor and manage your home's water usage with real-time data and leak detection. This app helps you understand your consumption, set budgets, and receive alerts to prevent costly water damage.

Highlights
  • Real-time water usage data
  • Leak detection and alerts
  • Water consumption budgeting
  • Household water use analysis
  • Easy self-installation
Features
Read full description

The Flume app connects with a Flume Water Sensor installed on your home’s water meter. Flume enables customers to manage, monitor, and conserve water in their home. Catch Water Leaks and Protect Your Home Surprises are fun, but not when it comes to leaks. Flume alerts you of abnormal (or accidental) water usage to give you peace of mind whether you’re at home or away. Down-to-the-Minute Water Use Data Flume helps you paint a picture of your household’s water use. Dig into the data—down to the one-hundredth of a gallon—and find new ways to reduce your water use. Overflowing with Savings A device that pays for itself. Flume automatically suggests a budget so you can cap your consumption and creates leak notifications to catch costly drips. Simple Self-Installation. No Plumbing Necessary. Set up and install Flume in minutes. Just strap it to your water meter. No pipe cutting. No wiring. No appointments. No plumbers. To purchase a Flume Water Sensor, visit https://flumewater.com

About

Phyn

Monitor your home's water usage, detect leaks with instant alerts, and run diagnostic checks to prevent costly damage. Get proactive warnings for freezing pipes and integrate with smart home devices for voice control.

Highlights
  • Real-time leak alerts
  • Plumbing diagnostic checks
  • Water usage tracking
  • Pre-freeze warnings
  • Smart home integration
  • Remote water shutoff (Phyn Plus)
Features
Read full description

Phyn lets you speak the language of water. From the free Phyn app you can understand how much water your family uses and where they are using it the most. Get alerted the minute a leak issue occurs and run diagnostic "Plumbing Checks" to proactively catch tiny leaks before they become big problems. PHYN SMART WATER ASSISTANT Leak alerts: SMS and push notifications alert you at the first sign of a possible issue. Take action by connecting to a HomeAdvisor plumber in minutes through the app. Plumbing Checks: Turn off your water at the main and run Phyn’s Plumbing Check feature. In minutes Phyn will detect pinhole leaks and poor seals in your water system. Water Use Plus: Track and view your water use daily and monthly to get ahead of your water costs, and see how your home compares to others. Over time, Phyn learns your system and communicates your water usage down to each fixture. See every water event in your home so you can teach Phyn about your water use. Pre-Freeze Warnings: Phyn’s patented pressure sensing sees the ice crystals forming in your pipes before they have a chance to freeze and burst, giving you precious time to take action and avoid damage. Smart Home Integrated: Use voice commands to learn about your water use. Phyn works seamlessly with Amazon Alexa and Google Assistant. And with IFTTT you can have Phyn trigger actions with other smart home devices. Manage multiple properties Monitor water use and receive leak alerts for up to 6 properties from one account in the Phyn app. PHYN PLUS SMART WATER ASSISTANT + SHUTOFF Auto and Remote Water Shutoff: After Phyn learns about your home’s water use, it can turn your water off automatically to prevent damage from leaks. You also have the choice to turn your water off yourself via the app, from anywhere. Leak alerts: Phyn constantly monitors your home for leaks and potentially harmful changes in pressure and temperature. As soon as an issue is detected, Phyn sends you SMS and push notifications to tell you what is happening and gives you the power to turn your water off to mitigate water damage. Water Use: Stay ahead of your water bill. Graph views of your monthly, daily and even hourly water use. Water Use Plus: Track and view your water use daily and monthly and see how your home compares to others. Phyn learns about your plumbing system and communicates your water usage to each fixture type (showers, sinks, toilets, etc…). See every water event in your home so you can teach Phyn about your water use. Plumbing Checks: Phyn automatically runs daily diagnostic checks to give you and your plumber insights into your plumbing so that you can ensure that your system is watertight. Smart Home Integrated: Use voice commands to learn about your water use and control your shutoff valve. Phyn works seamlessly with Amazon Alexa and Google Assistant. And with IFTTT you can have Phyn trigger actions with other smart home devices. Manage multiple properties: Monitor water use and receive leak alerts for up to 6 properties from one account in the Phyn app.

Screenshots

Flume Water4 screens
Phyn4 screens

Verdict

The call

The clearest difference is in-app purchases: Phyn at none against Flume Water's 2. On price, rating, review sentiment and ratings volume 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. Flume Water sells 2 in-app purchases, starting at $49.99 per year. Phyn asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.7 for Flume Water against 4.7 for Phyn. Both are backed by a comparable volume of ratings — 1.6K and 2.7K respectively. Written reviews are what separate them: 58% of Flume Water's written reviews are positive against 52% of Phyn's.

UpkeepUpdate frequency

Flume Water ships an update every 6 weeks, Phyn every 3 weeks. Both last shipped on September 22, 2026.

Scorecard2 real differences · 8 level
Flume Water versus Phyn: the parameters behind the verdict, then further details
ParameterFlume WaterPhyn
PriceFreeFree
Rating4.7 (1.6K ratings)4.7 (2.7K ratings)
Positive reviews58.3% of reviews — better52.1% of reviews
Number of ratings1.6K2.7K — better
Update frequencyEvery 6 weeksEvery 3 weeks — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better16.0
Further details — not scored
Size56 MB142 MB
Age rating4+4+
DeveloperFlume, Inc.PHYN LLC

Customer experience

Flume Water

All ratings1,608 ratings
Positive92.0%
Neutral2.8%
Negative5.2%
Written reviews127 reviews
Positive58.3%
Neutral11.8%
Negative29.9%

Phyn

All ratings2,660 ratings
Positive93.9%
Neutral1.8%
Negative4.3%
Written reviews167 reviews
Positive52.1%
Neutral12.0%
Negative35.9%

User reviews

Flume Water

From 1.6K App Store ratings

What we love

  • 🚀 Easy installation and setup
  • 🔒 Accurate water usage monitoring
  • 👍 Helpful for detecting leaks
  • 👍 Detailed water usage data and insights
  • 👍 Responsive customer support

Room to improve

  • 🐛 Connectivity issues and unreliable notifications
  • 🔋 Short battery life and expensive replacement
  • 👎 Clunky and unintuitive app interface
  • 🔒 Privacy concerns with data collection
  • 👎 Recurring issues after firmware updates

Phyn

From 2.7K App Store ratings

What we love

  • 🚀 Excellent water leak detection
  • 📊 Detailed water usage monitoring
  • 🔒 Provides peace of mind and home protection
  • 💰 Saves money on insurance and repairs

Room to improve

  • 🐛 Buggy and unreliable app
  • 🔍 Poor water fixture identification
  • 🕰️ Frequent app crashes and login issues
  • 🤖 Overly aggressive automatic water shutoff

Bugs and requests

Flume Water

Reported bugs

4 issues
  • App freezes and crashes
  • Inaccurate water usage reporting
  • Calibration issues after battery replacement
  • Delayed or missed leak notifications

Requested features

5 requests
  • Landscape mode support for tablets
  • Integration with smart home platforms
  • Customizable notification settings
  • Ability to manually train the system
  • Enhanced data export and analysis tools

Phyn

Reported bugs

4 issues
  • App freezes on splash screen
  • Inability to clear old notifications
  • Inconsistent water flow/pressure readings
  • Automatic water shutoff issues

Requested features

4 requests
  • Export water usage data
  • Customizable water usage alerts
  • Integration with smart home platforms
  • Improved pressure/temperature monitoring

In-app purchases

2 purchases

Flume Water

Subscriptions1
  • Flume Insight1 Month trial$49.991 Year
One-time1
  • Flume Insight$49.99
None

Phyn

No in-app purchases

Questions

Is Flume Water free?
Flume Water is free to download, with in-app purchases available.
Is Phyn free?
Phyn is free to download, with no in-app purchases.
Which has better reviews, Flume Water or Phyn?
Flume Water and Phyn are both rated 4.7 out of 5 on the App Store, from 1.6K and 2.7K ratings respectively.
Do Flume Water or Phyn have ads?
Neither Flume Water nor Phyn shows ads.
Which is updated more often, Flume Water or Phyn?
Flume Water ships an update every 6 weeks, and Phyn every 3 weeks. Most recently, Flume Water was updated on September 22, 2026 and Phyn on September 22, 2026.

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