# MSM vs Smart Solar

The clearest difference is review sentiment: Smart Solar at 100% against MSM's 50%. On price, update cadence, ads and in-app purchases there is nothing between them.

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

MSM ships an update every 3 weeks, Smart Solar every 6 weeks. The most recent releases landed on October 7, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | MSM | Smart Solar |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 6 weeks |
| Monetization | Free | Free |
| Size | 42 MB | 30 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [BACH KHOA HIGH TECHNOLOGY COMPANY LIMITED](https://appshunter.io/developer/1532216703) | [Anh Tuan Nguyen](https://appshunter.io/developer/1782902125) |

## What reviewers say

### MSM

[App page](https://appshunter.io/ios/app/msm-npsc/id1539366338)

This utility app allows users to scan QR codes to access web links and receive daily categorized news updates. It also provides information on QR codes supported by the application.

**Highlights:** QR code scanning, Web link access, Daily news updates, Categorized news, QR code support information

**Features:** macOS Compatibility

**In-app purchases:** none


### Smart Solar

[App page](https://appshunter.io/ios/app/smart-solar/id6738919484)

Monitor and manage your solar energy devices with this application. It currently supports specific MPPT chargers and inverters, providing insights into your solar energy system's performance.

**Highlights:** Solar device management, Energy monitoring, MPPT Charger support, Inverter GTIL2-Sun support, Performance insights

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is MSM free?

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

### Is Smart Solar free?

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

### Do MSM or Smart Solar have ads?

Neither MSM nor Smart Solar shows ads.

### Which is updated more often, MSM or Smart Solar?

MSM ships an update every 3 weeks, and Smart Solar every 6 weeks. Most recently, MSM was updated on October 7, 2026 and Smart Solar on October 3, 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.*