# Flume Water vs Phyn

The clearest difference is in-app purchases: Phyn at none against Flume Water's 2. Phyn also leads on update cadence (every 3 weeks vs every 6 weeks). On price, rating, review sentiment and ratings volume there is nothing between them.

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.

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 — 1.7K and 2.7K respectively. Written reviews are what separate them: 59% of Flume Water's written reviews are positive against 51% of Phyn's.

Flume Water ships an update every 6 weeks, Phyn every 3 weeks. The most recent releases landed on October 26, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Flume Water | Phyn |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (1.7K ratings)](https://appshunter.io/ios/app/flume-water/id1117135447/reviews) | **[4.7 (2.7K ratings)](https://appshunter.io/ios/app/phyn/id1338894928/reviews)** |
| Number of ratings | 1.7K | **2.7K** |
| Positive reviews | **58.6% of reviews** | 51.5% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 3 weeks** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 56 MB | 145 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Flume, Inc.](https://appshunter.io/developer/1117135446) | [PHYN LLC](https://appshunter.io/developer/1338894927) |

## What reviewers say

### Flume Water

[App page](https://appshunter.io/ios/app/flume-water/id1117135447)

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:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Flume Insight | $49.99 | per year |
| Flume Insight | $49.99 | one-time |

**What reviewers like**

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

**What reviewers complain about**

- 🐛 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

**Reported bugs**

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

**Requested features**

- 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

[App page](https://appshunter.io/ios/app/phyn/id1338894928)

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:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

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

**What reviewers complain about**

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

**Reported bugs**

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

**Requested features**

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


## Frequently asked 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?

Phyn is rated higher. Flume Water averages 4.7 out of 5 from 1.7K ratings, while Phyn averages 4.7 from 2.7K ratings.

### 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 October 26, 2026 and Phyn on October 27, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*