# HC Solar vs SmartMEP

The clearest difference is update cadence: SmartMEP at every 10 days against HC Solar's every 5 weeks. HC Solar's advantage is iOS requirement (12.0 vs 15.6). 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.

HC Solar ships an update every 5 weeks, SmartMEP every 10 days. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | HC Solar | SmartMEP |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 10 days** |
| Size | 112 MB | 36 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shanghai Siseli New Energy Cooperative Enterprise](https://appshunter.io/developer/1673700559) | [祥梯 孟](https://appshunter.io/developer/1070155084) |

## What reviewers say

### HC Solar

[App page](https://appshunter.io/ios/app/hc-solar/id6736932550)

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

**In-app purchases:** none


### SmartMEP

[App page](https://appshunter.io/ios/app/smartmep/id6794257848)

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

**In-app purchases:** none


## Frequently asked questions

### Is HC Solar free?

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

### Is SmartMEP free?

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

### Do HC Solar or SmartMEP have ads?

Neither HC Solar nor SmartMEP shows ads.

### Which is updated more often, HC Solar or SmartMEP?

HC Solar ships an update every 5 weeks, and SmartMEP every 10 days. Most recently, HC Solar was updated on October 30, 2026 and SmartMEP on October 31, 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.*