# eFlow

> Bluetooth water filter capacity monitor for multiple filters. (iPhone/iPad app by Savant Electronics Inc..)

- Source: https://appshunter.io/ios/app/eflow/id1434703366 (this page in markdown: same URL + `.md`)
- Developer: [Savant Electronics Inc.](https://appshunter.io/developer/1288418213)
- Category: Utilities
- Price: Free
- Rating: 1.00/5 from 1 App Store ratings · 4 written reviews indexed
- Age rating: 12+
- Requires: iOS 11 · 3 MB
- Languages: English, French, German, Japanese, Spanish, Chinese
- Released: 2018-10-13
- Data updated: 2026-06-20
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/eflow/id1434703366/reviews.md

## What is eFlow?

. Reading water filter capacity from the Bluetooth flow meter. 
. Monitoring multiple water filter at the same time

## Key features

- Read water filter capacity via Bluetooth
- Connect to Bluetooth flow meter
- Monitor multiple water filters
- Track filter performance

## Recent user reviews (4 of 4)

All indexed reviews: https://appshunter.io/ios/app/eflow/id1434703366/reviews.md

### 5/5 — Water Meter

*2025-05-28, version 1.1.1*

Great app, would be awesome if you can add an amount not just reset, so if you add 2 jerry cans to your tanks just plus 40L

### 5/5 — Love the app

*2025-01-03, version 1.1.1*

This is a great system for monitoring water usage on our boat 
, it would be nice if we could input a partial fill as well as
Sometimes we make water (but not a full tank)

### 3/5 — Not bad but the PIN numbers are annoying

*2024-06-17, version 1.1.1*

I bought 2 flow meters and I find it really annoying that swapping between meters the stupid app can’t remember the PIN code and I have to enter it EVERY time I swap between flow meters. Really can’t you design the app remembers the unique name and the PIN for each flow meter or the BT serial number?!

If a user doesn’t change the PIN codes and someone else reads their water level who cares, but this is really annoying. If I only knew, the instructions just said if you had 2 or more devices it would log 1 out …. But not say any you have to keep putting the PIN in!!

I have 4 victron BT devices in the same van and once you register the Victron gear you don’t have to put the PIN in when swapping between devices.  

Come on guys can you fix this?

### 3/5 — Needs a little more

*2022-02-22, version 1.1.1*

Pretty good app considering it is only looking at what goes by. 
A worthwhile improvement would be if you could have it notify me when it gets down to say 10%. Shouldn’t be hard to do I would think. Developer thoughts?

## Frequently asked questions about eFlow

### What is eFlow?

eFlow is a utility application designed to monitor the remaining capacity of your water filters. It connects to a Bluetooth flow meter to provide real-time data on filter usage.

### How does eFlow work?

eFlow reads water filter capacity directly from a connected Bluetooth flow meter. This allows you to track how much life is left in your filters.

### Can eFlow monitor multiple water filters?

Yes, eFlow is capable of monitoring multiple water filters simultaneously. This feature helps you keep track of all your filters from a single interface.

### What devices does eFlow support?

eFlow is available for iPhone and iPad devices. It is designed for iOS users looking to manage their water filter status.

### Is eFlow free to use?

Yes, eFlow is available for free. There are no costs associated with downloading or using the core features of the application.

### What is the age rating for eFlow?

eFlow has an age rating of 4+. This indicates it is suitable for a wide range of users, including children, with no mature content.

### When was eFlow last updated?

The latest version of eFlow, 1.1.1, was released on March 20, 2020. The app was initially released on October 13, 2018.

### Does eFlow have ads?

No, eFlow does not contain advertisements. As a free application, it provides an ad-free experience for users.

## Version history (last 5 releases)

### 1.1.2 — 2026-06-12

Modify UI Text

### 1.1.1 — 2020-03-20

修正已知問題

### 1.1.0 — 2019-05-23

紀錄清單頁新增顯示裝置名稱

### 1.0.8 — 2018-12-17

修正已知問題

### 1.0.6 — 2018-11-19

修改UI顯示

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## More apps by Savant Electronics Inc.

- [iMeter](https://appshunter.io/ios/app/imeter/id1288418214)

All apps by Savant Electronics Inc.: https://appshunter.io/developer/1288418213

## Related topics

[eflow](https://appshunter.io/ios/topics/eflow)

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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 2026-06-20.*