# Flo by Moen™ vs Ion Blue

The clearest difference is rating: Flo by Moen™ at 4.0 against Ion Blue's 2.0. Flo by Moen™ also leads on ratings volume (1.9K vs 8) and review sentiment (35% vs 25%). On price, update cadence, ads and in-app purchases there is nothing between them.

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

Flo by Moen™ holds the better App Store score, 4.0 against 2.0. That said, the two scores are not equally well evidenced: Flo by Moen™ has 1.9K ratings behind it against 8, so its average is the more settled of the two. Written reviews point the same way: 35% of Flo by Moen™'s written reviews are positive against 25% of Ion Blue's.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on November 1, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Flo by Moen™ | Ion Blue |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (1.9K ratings)](https://appshunter.io/ios/app/flo-by-moen/id1114650234/reviews)** | [2.0 (8 ratings)](https://appshunter.io/ios/app/ion-blue/id6469643514/reviews) |
| Number of ratings | **1.9K** | 8 |
| Positive reviews | **35.5% of reviews** | 25.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free | Free |
| Size | 73 MB | 56 MB |
| Requires iOS | **15.0** | 15.5 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Flo Technologies](https://appshunter.io/developer/1114650233) | [Metropolitan Industries, Inc.](https://appshunter.io/developer/1476515241) |

## What reviewers say

### Flo by Moen™

[App page](https://appshunter.io/ios/app/flo-by-moen/id1114650234)

This app guides users through migrating their Flo by Moen devices to a new platform before the current app is deactivated. It provides a step-by-step process to ensure a smooth transition for water damage and leak protection devices.

**Highlights:** Guided device migration, Step-by-step instructions, Water damage protection device transfer, Leak detector device transfer, App deactivation guidance

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🚀 Piece of mind
- 🚀 Monitors water usage
- 🚀 Detects leaks
- 🚀 Ability to shut off water remotely
- 🚀 Provides detailed water usage data

**What reviewers complain about**

- 🐛 Inaccurate fixture detection
- 🐛 Frequent false alarms and water shutoffs
- 🐛 Buggy app with connectivity issues
- 🐛 Limited customization and control options
- 🐛 Inconsistent water usage tracking

**Reported bugs**

- App crashes and freezes
- Inability to connect devices to WiFi
- Incorrect water usage data and categorization
- Water shutoffs during normal usage
- Sensor connectivity issues and failures

**Requested features**

- Ability to customize fixture types
- More granular water usage reporting
- Automated home/away mode
- Integration with more smart home platforms
- Improved app responsiveness and stability


### Ion Blue

[App page](https://appshunter.io/ios/app/ion-blue/id6469643514)

Monitor and manage your smart home plumbing system remotely. Receive custom alerts for potential issues like flooding or water damage, and grant access to trusted contacts for timely response. Ideal for homeowners and property managers seeking peace of mind.

**Highlights:** Remote plumbing system monitoring, Flood and water damage alerts, Customizable push notifications, Multi-user access with permissions, Support for multiple residences, Cloud-enabled solutions

**In-app purchases:** none


## Frequently asked questions

### Is Flo by Moen™ free?

Flo by Moen™ is free to download, with no in-app purchases.

### Is Ion Blue free?

Ion Blue is free to download, with no in-app purchases.

### Which has better reviews, Flo by Moen™ or Ion Blue?

Flo by Moen™ is rated higher. Flo by Moen™ averages 4.0 out of 5 from 1.9K ratings, while Ion Blue averages 2.0 from 8 ratings.

### Do Flo by Moen™ or Ion Blue have ads?

Neither Flo by Moen™ nor Ion Blue shows ads.

### Which is updated more often, Flo by Moen™ or Ion Blue?

Flo by Moen™ ships an update every 2 months, and Ion Blue every 2 months. Most recently, Flo by Moen™ was updated on November 1, 2026 and Ion Blue 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.*