# EFOY

> EFOY (iPhone/iPad app by SFC Energy AG.)

- Source: https://appshunter.io/ios/app/efoy/id414633050 (this page in markdown: same URL + `.md`)
- Developer: [SFC Energy AG](https://appshunter.io/developer/414633053)
- Category: Travel, Lifestyle
- Price: Free
- Age rating: 17+
- Requires: iOS 15.6 · 45 MB
- Languages: American English
- Released: 2011-01-18
- Data updated: 2026-08-26
- User reviews in markdown: https://appshunter.io/ios/app/efoy/id414633050/reviews.md

## What is EFOY?

With the EFOY app, you will always have all information regarding your fuel cell at hand. Find the next fuel cartridge retailer in your vicinity with the practical EFOY app, contact our service department and follow all news related to your EFOY.
 
Turn your smart phone or tablet into a remote control for your EFOY Fuel Cell with the EFOY app myEFOY function. Choose the operating with the press of a button and see all important data regarding your fuel cell, fuel cartridge and battery all on one screen. To control your EFOY Fuel Cell with myEFOY, you will require the EFOY Bluetooth adapter, the EFOY app and the latest firmware version. Download immediately for free!


## Version history (last 5 releases)

### 5.6.0 — 2026-08-18

- Adjusted number formatting
- Updated texts

### 5.5.0 — 2026-07-03

Added the option to translate error texts delivered through the service tool.

### 5.4.0 — 2026-04-07

- Added support for new serial number formats in the Connection screen

### 5.3.0 — 2026-03-20

- Do not charge period configuration added to control when battery charging is allowed (requires the latest device firmware).
- Fixed an issue causing some sliders to move together with the view.
- Improved Bluetooth connection stability.
- Minor improvements.

### 5.2.2 — 2025-06-18

- Fixed an issue causing the app to be unable to connect to BT2 Bluetooth-Dongles
- Added the possibility to change the active port of connected Fuel Manager devices.
- Improved Bluetooth connection stability.
- Minor improvements.

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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 2026-08-26.*