# ModbusV vs Meter Reading

The clearest difference is in-app purchases: Meter Reading at none against ModbusV's 2. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. ModbusV sells 2 in-app purchases, starting at $0.49 per month. Meter Reading asks for nothing beyond the download.

ModbusV ships an update every 17 months, Meter Reading every 22 months. The most recent releases landed on June 6, 2026 and September 4, 2026 respectively.

## The numbers

| Metric | ModbusV | Meter Reading |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/modbusv/id666607476/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 17 months** | Every 22 months |
| Monetization | Free with in-app purchases | — |
| Size | 108 MB | 17 MB |
| Requires iOS | 12.2 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Chai Kunnasit](https://appshunter.io/developer/666607479) | [Rubicon Systems](https://appshunter.io/developer/1063929009) |

## 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 |


### Meter Reading

[App page](https://appshunter.io/ios/app/meter-reading/id1063929010)

**In-app purchases:** none


## Frequently asked questions

### Is ModbusV free?

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

### Is Meter Reading free?

Meter Reading is free to download, with no in-app purchases.

### Do ModbusV or Meter Reading have ads?

Neither ModbusV nor Meter Reading shows ads.

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

ModbusV ships an update every 17 months, and Meter Reading every 22 months. Most recently, ModbusV was updated on June 6, 2026 and Meter Reading on September 4, 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.*