# LVTOPSUN vs SmartKeyApp

The clearest difference is update cadence: SmartKeyApp at every 4 days against LVTOPSUN's every 5 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.

LVTOPSUN ships an update every 5 months, SmartKeyApp every 4 days. The most recent releases landed on October 17, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | LVTOPSUN | SmartKeyApp |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 4 days** |
| Monetization | Free | — |
| Size | 243 MB | 26 MB |
| Requires iOS | 14.0 | **13.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | +17 | 4+ |
| Developer | [SanKeXiaoCao(ShenZhen)IOT Technology Company Limited](https://appshunter.io/developer/1550220407) | [GoldCard-Power](https://appshunter.io/developer/6771682685) |

## What reviewers say

### LVTOPSUN

[App page](https://appshunter.io/ios/app/lvtopsun/id6749844543)

Monitor and manage your home energy storage system remotely. Optimize energy usage for savings and track production and consumption in real-time. Securely control your system from anywhere.

**Highlights:** Real-time energy monitoring, Optimize energy usage, Remote system management, Secure access, Track energy production and consumption

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

**In-app purchases:** none


### SmartKeyApp

[App page](https://appshunter.io/ios/app/smartkeyapp/id6771682683)

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

**In-app purchases:** none


## Frequently asked questions

### Is LVTOPSUN free?

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

### Is SmartKeyApp free?

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

### Do LVTOPSUN or SmartKeyApp have ads?

Neither LVTOPSUN nor SmartKeyApp shows ads.

### Which is updated more often, LVTOPSUN or SmartKeyApp?

LVTOPSUN ships an update every 5 months, and SmartKeyApp every 4 days. Most recently, LVTOPSUN was updated on October 17, 2026 and SmartKeyApp on October 24, 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.*