# GSL Smart ESS vs MicroVPP

The clearest difference is update cadence: MicroVPP at every 2 weeks against GSL Smart ESS's every 9 months. 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.

GSL Smart ESS ships an update every 9 months, MicroVPP every 2 weeks. The most recent releases landed on October 2, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | GSL Smart ESS | MicroVPP |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/microvpp/id6747276150/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 2 weeks** |
| Monetization | — | Free |
| Size | 37 MB | 25 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [SHENZHEN GSL ENERGY CO LTD](https://appshunter.io/developer/1873857076) | [Zengpan Fan](https://appshunter.io/developer/1820557757) |

## What reviewers say

### GSL Smart ESS

[App page](https://appshunter.io/ios/app/gsl-smart-ess/id6504597237)

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

**In-app purchases:** none


### MicroVPP

[App page](https://appshunter.io/ios/app/microvpp/id6747276150)

Monitor your home's energy system in real-time, receive smart optimization tips to reduce electricity bills, and potentially earn rewards by participating in grid savings programs. This app is designed for homeowners with compatible inverter and battery systems.

**Highlights:** Real-time battery and energy monitoring, Smart optimization guidance for bill reduction, Grid participation for potential rewards, Works with compatible inverter brands, Free account registration required

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is GSL Smart ESS free?

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

### Is MicroVPP free?

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

### Do GSL Smart ESS or MicroVPP have ads?

Neither GSL Smart ESS nor MicroVPP shows ads.

### Which is updated more often, GSL Smart ESS or MicroVPP?

GSL Smart ESS ships an update every 9 months, and MicroVPP every 2 weeks. Most recently, GSL Smart ESS was updated on October 2, 2026 and MicroVPP on October 5, 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.*