# IoTMeter vs MZ

The clearest difference is update cadence: MZ at every 5 days against IoTMeter's every 3 weeks. MZ also leads on iOS requirement (15.5 vs 17). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

IoTMeter ships an update every 3 weeks, MZ every 5 days. The most recent releases landed on October 3, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | IoTMeter | MZ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/iotmeter/id1560319286/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 5 days** |
| Monetization | Free | — |
| Size | 35 MB | 1 MB |
| Requires iOS | 17 | **15.5** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Pavel Lpa](https://appshunter.io/developer/1560303712) | [Wuxi Dongfangwei Science & Technology Co.,ltd](https://appshunter.io/developer/1677972031) |

## What reviewers say

### IoTMeter

[App page](https://appshunter.io/ios/app/iotmeter/id1560319286)

This application provides a user interface for managing smart devices that measure electrical quantities and control EVSE charging. It optimizes the use of photovoltaic power for heating appliances and hot water storage, enabling wireless communication with various energy systems.

**Highlights:** Device setup and user interface, Electrical quantity measurement, EVSE charging current control, PV power utilization optimization, Wireless communication with PV inverters, Standalone function capability

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

**In-app purchases:** none


### MZ

[App page](https://appshunter.io/ios/app/mz-mqcon/id6446444206)

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

**In-app purchases:** none


## Frequently asked questions

### Is IoTMeter free?

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

### Is MZ free?

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

### Do IoTMeter or MZ have ads?

Neither IoTMeter nor MZ shows ads.

### Which is updated more often, IoTMeter or MZ?

IoTMeter ships an update every 3 weeks, and MZ every 5 days. Most recently, IoTMeter was updated on October 3, 2026 and MZ on October 8, 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.*