# Ohmmu — Battery Monitor

> Bluetooth battery monitor for 12V LFP batteries with BMS. (iPhone/iPad app by Ohmmu LLC.)

- Source: https://appshunter.io/ios/app/ohmmu/id1632357514 (this page in markdown: same URL + `.md`)
- Developer: [Ohmmu LLC](https://appshunter.io/developer/1770228601)
- Category: Utilities
- Price: Free
- Rating: 3.91/5 from 11 App Store ratings · 3 written reviews indexed
- Age rating: 4+
- Requires: iOS 13.0 · 1 MB
- Languages: English
- Released: 2022-09-26
- Data updated: 2026-06-10
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/ohmmu/id1632357514/reviews.md

## What is Ohmmu?

Ohmmu Energy's interface app for our 12V LFP batteries with Bluetooth-enabled BMS (and future applications) provides high-level functionality and features, such as: State Of Charge, monitoring of battery health, total and per cell voltage, amp input/output, temperature status, and more.  

This app is also used to perform battery resets and will be used to reprogram BMS settings in the future.  Future updates will include compatibility with Ohmmu Smart devices for a seamless mobile smart-RV/boat experience.

## Key features

- State of Charge monitoring
- Battery health status
- Per cell voltage
- Amp input/output
- Temperature monitoring
- Battery resets

## Recent user reviews (3 of 3)

All indexed reviews: https://appshunter.io/ios/app/ohmmu/id1632357514/reviews.md

### 1/5 — PLEASE add security

*2024-12-09*

Password, Pin, just anything. Please.

### 1/5 — Security

*2024-09-26*

Please add password or other protection to the bluetooth access.

### 1/5 — No protection from potential hacker

*2024-07-26*

Anyone can go near my car, connect to the battery, disable charging and discharging. Potentially, a hazardous situation. Please add a PIN code to access it.

## Frequently asked questions about Ohmmu

### What devices does Ohmmu support?

Ohmmu is available for iPhone and iPad. It requires iOS 13.0 or later.

### How often is Ohmmu updated?

The latest version, 2.0, was released on June 30, 2023. Updates are provided by Ohmmu LLC to enhance functionality and compatibility.

### What information can I see with Ohmmu?

You can monitor the State Of Charge, battery health, total and per cell voltage, amp input/output, and temperature status of your compatible batteries.

### Can Ohmmu be used to reset my battery?

Yes, Ohmmu is used to perform battery resets. Future updates will also allow for BMS setting reprogramming.

### Is Ohmmu suitable for off-grid applications like RVs or boats?

Yes, Ohmmu is designed for 12V LFP batteries with Bluetooth BMS and will include compatibility with Ohmmu Smart devices for a seamless mobile smart-RV/boat experience in future updates.

### What is the user rating for Ohmmu?

Ohmmu has a rating of 3.9 stars based on 11 ratings, indicating generally positive user experiences.

### Does Ohmmu have ads?

No, Ohmmu does not contain advertisements. It is a free application.

### What is the age rating for Ohmmu?

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

## Version history (last 2 releases)

### 2.0 — 2023-06-30

The user can choose which configuration settings to download and also send their current configuration settings to Ohmmu for troubleshooting.

### 1.0 — 2022-09-27

No release notes.

## More apps by Ohmmu LLC

- [Ohmmu Energy](https://appshunter.io/ios/app/ohmmu-energy/id6479348283)

All apps by Ohmmu LLC: https://appshunter.io/developer/1770228601

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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 2026-06-10.*