# Energy Meter vs Batrium BMI

The clearest difference is price: Batrium BMI at Free against Energy Meter's $3.99. Batrium BMI also leads on update cadence (every 6 weeks vs every 6 months) and review sentiment (100% vs 86%). On ads, in-app purchases and device support there is nothing between them.

Batrium BMI is free to download; Energy Meter costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Energy Meter ships an update every 6 months, Batrium BMI every 6 weeks. The most recent releases landed on October 17, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Energy Meter | Batrium BMI |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | — | **[3.0 (1 ratings)](https://appshunter.io/ios/app/batrium-bmi/id6475325576/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 86.3% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 6 weeks** |
| Monetization | Paid | **Free** |
| Size | 7 MB | 61 MB |
| Requires iOS | 15.0 | **12.2** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Heiko Pruessing](https://appshunter.io/developer/989638671) | [Batrium Technologies Pty Ltd](https://appshunter.io/developer/1489556424) |

## What reviewers say

### Energy Meter

[App page](https://appshunter.io/ios/app/energy-meter/id989638672)

Monitor your SMA solar plant and identify energy wasters with real-time data. Connect locally to your PV system for instant insights into power grid performance and individual device readings.

**Highlights:** Monitor SMA Energy Meter real-time data, Supports SMA inverters via MODBUS, Automatic local network device detection, Energy flow display, Consumption measurement, Individual phase view, Collect values into charts

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Batrium BMI

[App page](https://appshunter.io/ios/app/batrium-bmi/id6475325576)

Monitor the real-time status of your home or large capacity battery system. View crucial battery parameters like cell voltage, overall voltage, current flow, and internal BMS temperature.

**Highlights:** Real-time battery parameter updates, Cell voltage monitoring, Battery voltage display, Current flow tracking, Internal BMS temperature

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Energy Meter free?

Energy Meter costs $3.99, with no in-app purchases.

### Is Batrium BMI free?

Batrium BMI is free to download, with no in-app purchases.

### Do Energy Meter or Batrium BMI have ads?

Neither Energy Meter nor Batrium BMI shows ads.

### Which is updated more often, Energy Meter or Batrium BMI?

Energy Meter ships an update every 6 months, and Batrium BMI every 6 weeks. Most recently, Energy Meter was updated on October 17, 2026 and Batrium BMI on October 7, 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.*