# ModbusV vs Energy Meter

The clearest difference is price: ModbusV at Free against Energy Meter's $3.99. ModbusV also leads on review sentiment (100% vs 86%) and iOS requirement (12.2 vs 15.0). Energy Meter's advantage is in-app purchases (none vs 2) and update cadence (every 6 months vs every 17 months). On ads and device support there is nothing between them.

ModbusV is free to download; Energy Meter costs $3.99 up front. ModbusV sells 2 in-app purchases, starting at $0.49 per month. Energy Meter asks for nothing beyond the download.

ModbusV ships an update every 17 months, Energy Meter every 6 months. The most recent releases landed on October 1, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | ModbusV | Energy Meter |
| --- | --- | --- |
| Price | **Free** | $3.99 |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/modbusv/id666607476/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | **100.0% of reviews** | 86.3% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 17 months | **Every 6 months** |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 108 MB | 7 MB |
| Requires iOS | **12.2** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Chai Kunnasit](https://appshunter.io/developer/666607479) | [Heiko Pruessing](https://appshunter.io/developer/989638671) |

## What reviewers say

### ModbusV

[App page](https://appshunter.io/ios/app/modbusv/id666607476)

This utility tool facilitates the conversion of Modbus and DirectNet V addresses. It is designed for users who need to translate between these two industrial communication protocols.

**Highlights:** Modbus address conversion, DirectNet V address conversion, Industrial communication protocol translation, Utility tool

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium - 1 Month | $0.49 | per month |
| Premium - 1 Year | $3.99 | per year |


### 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


## Frequently asked questions

### Is ModbusV free?

ModbusV is free to download, with in-app purchases available.

### Is Energy Meter free?

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

### Do ModbusV or Energy Meter have ads?

Neither ModbusV nor Energy Meter shows ads.

### Which is updated more often, ModbusV or Energy Meter?

ModbusV ships an update every 17 months, and Energy Meter every 6 months. Most recently, ModbusV was updated on October 1, 2026 and Energy Meter on October 17, 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.*