# Watt And Sea — Hydrogenerator Monitoring App

> Hydrogenerator monitoring app for real-time data and troubleshooting. (iPhone/iPad app by Matthieu Michou.)

- Source: https://appshunter.io/ios/app/watt-and-sea/id1465383700 (this page in markdown: same URL + `.md`)
- Developer: [Matthieu Michou](https://appshunter.io/developer/1465383699)
- Category: Navigation, Utilities
- Price: Free
- Age rating: 4+
- Requires: iOS 14.0 · 11 MB
- Languages: Dutch, English, French, German, Italian, Portuguese, Spanish
- Released: 2019-08-26
- Data updated: 2026-06-25
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/watt-and-sea/id1465383700/reviews.md

## What is Watt And Sea?

This app allows you to :
* Connect to embedded Bluetooth module of the Watt And Sea hydrogenerator.
* Monitor the data in real time (current, voltage, status and errors)
* Record datalogs and share them by email to Watt And Sea support
* Get access to our online knowledge database to troubleshoot frequent problems.

## Key features

- Real-time data monitoring (current, voltage, status)
- Bluetooth connectivity
- Data logging and sharing
- Access to knowledge database
- Error status reporting

## Recent user reviews (2 of 2)

All indexed reviews: https://appshunter.io/ios/app/watt-and-sea/id1465383700/reviews.md

### 4/5 — Does the job, but room for improvement

*2025-10-29, version 1.4*

It’s generally worked well for me. No app crashes in my experience.

One constant annoyance is the clunky process required every time I open the app.

Instead of remembering the last unit I was connected to and automatically connecting, I usually have to go to settings, wait for it to scan for available units and then select the one and only unit that it finds. It does seem to remember if I have connected very recently, but since it’s very much an occasional use app this doesn’t help much!

It would be great there was a clear visual indication of the current charging state (bulk, float etc)

Also better documentation on the settings options would be great

### 4/5 — Unstable

*2023-10-01, version 1.3.1*

App crashes with iOS 17.0.2

## Frequently asked questions about Watt And Sea

### What devices does Watt And Sea support?

Watt And Sea is available for iPhone and iPod devices. It requires iOS 11.0 or later.

### How do I connect Watt And Sea to my hydrogenerator?

You can connect Watt And Sea to your Watt And Sea hydrogenerator by using the embedded Bluetooth module. The app facilitates this connection for real-time monitoring.

### Can I use Watt And Sea offline?

While the app connects via Bluetooth for real-time data, it also allows you to record datalogs. These logs can be shared later via email, suggesting some offline functionality for recorded data.

### How often is Watt And Sea updated?

The app was last updated on October 28, 2023, with version 1.4. This indicates a relatively recent update, suggesting ongoing support.

### What kind of data can I monitor with Watt And Sea?

Watt And Sea allows you to monitor real-time data including current, voltage, status, and any reported errors from your hydrogenerator.

### Does Watt And Sea have ads?

No, Watt And Sea does not contain advertisements. It is a free application without any in-app purchases or ads.

### What is the age rating for Watt And Sea?

Watt And Sea has an age rating of 4+, making it suitable for a wide range of users.

### Where can I find help if I have problems with my hydrogenerator?

Watt And Sea provides access to an online knowledge database designed to help you troubleshoot frequent problems with your hydrogenerator.

## Version history (last 5 releases)

### 1.4 — 2023-10-28

* Compatibility with iOS17
* Thanks to Christophe CHABIRON and S/V Eglantine's crew for their support

### 1.3.1 — 2023-02-15

* general improvements
* rename converters 
* various fixes

### 1.3.0 — 2023-02-07

* general improvements
* rename converters 
* various fixes

### 1.1.0 — 2021-05-08

Bug fixes and improvement of bluetooth connection
Interface improvements (native dark mode)
Sorting devices by alphabetic order

### 1.0.8 — 2019-10-02

iOS 13 compatibility

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-25.*