# M Professional vs Lunar Installer

The clearest difference is update cadence: Lunar Installer at every 8 days against M Professional's every 3 weeks. M Professional's advantage is device support (3 vs 1) and iOS requirement (13.0 vs 16.4). On price, ads, in-app purchases and monetization model there is nothing between them.

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

M Professional ships an update every 3 weeks, Lunar Installer every 8 days. The most recent releases landed on July 5, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | M Professional | Lunar Installer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.2 (5 ratings)](https://appshunter.io/ios/app/lunar-installer/id6670309375/reviews)** |
| Number of ratings | — | **5** |
| Positive reviews | 14.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 8 days** |
| Monetization | Free | Free |
| Size | 20 MB | 217 MB |
| Requires iOS | **13.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [东 李](https://appshunter.io/developer/1228988491) | [Lunar Energy Limited](https://appshunter.io/developer/1400433604) |

## What reviewers say

### M Professional

[App page](https://appshunter.io/ios/app/m-professional/id1385941241)

Monitor and configure your solar inverter system in real-time. Request RMA services and perform daily maintenance using Bluetooth Low Energy. Stay informed about your system's status and parameters.

**Highlights:** Real-time status monitoring, Parameter configuration, RMA service requests, Daily maintenance, BLE communication

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

**In-app purchases:** none


### Lunar Installer

[App page](https://appshunter.io/ios/app/lunar-installer/id6670309375)

This app simplifies the setup of a specific system with guided processes, firmware updates, and automated tests. It offers in-app troubleshooting and live chat support to resolve issues efficiently. Leave job sites with confidence and reduce the need for return visits.

**Highlights:** Guided setup process, Firmware updates, Automated operational tests, In-app troubleshooting, Live chat support

**In-app purchases:** none


## Frequently asked questions

### Is M Professional free?

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

### Is Lunar Installer free?

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

### Do M Professional or Lunar Installer have ads?

Neither M Professional nor Lunar Installer shows ads.

### Which is updated more often, M Professional or Lunar Installer?

M Professional ships an update every 3 weeks, and Lunar Installer every 8 days. Most recently, M Professional was updated on July 5, 2026 and Lunar Installer on September 10, 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.*