# Rang Dong Smart vs LightEarth

The clearest difference is rating: LightEarth at 5.0 against Rang Dong Smart's 4.6. LightEarth also leads on update cadence (every 5 weeks vs every 6 months). Rang Dong Smart's advantage is ratings volume (31 vs 2). 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.

LightEarth holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Rang Dong Smart has 31 ratings behind it against 2, so its average is the more settled of the two.

Rang Dong Smart ships an update every 6 months, LightEarth every 5 weeks. The most recent releases landed on September 10, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | Rang Dong Smart | LightEarth |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (31 ratings)](https://appshunter.io/ios/app/rang-dong-smart/id1453529638/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/lightearth/id6466146778/reviews)** |
| Number of ratings | **31** | 2 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 5 weeks** |
| Monetization | Free | Free |
| Size | 218 MB | 31 MB |
| Requires iOS | 14.0 | **13.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [RANG DONG LIGHT SOURCE AND VACUUM FLASK JOINT STOCK COMPANY](https://appshunter.io/developer/1453529637) | [SUNSHINE TECHNOLOGY(CHINA) CO., LIMITED](https://appshunter.io/developer/1647326640) |

## What reviewers say

### Rang Dong Smart

[App page](https://appshunter.io/ios/app/rang-dong-smart/id1453529638)

Control and monitor your smart home devices remotely. Create custom automation scenes and schedules for precise device management. Share device access with family members for easy, anytime, anywhere control.

**Highlights:** Connect and control smart devices, Create automation scenes, Schedule timers and countdowns, Share device access with family, Real-time device monitoring, Remote control anytime, anywhere

**Features:** Vision Pro support

**In-app purchases:** none


### LightEarth

[App page](https://appshunter.io/ios/app/lightearth/id6466146778)

Control and monitor your SUNT Series Hybrid Inverter remotely using your mobile device. Set working modes and view operational data through a Wi-Fi connection.

**Highlights:** Remote inverter control, View operational data, Set working modes, Wi-Fi communication, Monitor hybrid inverter

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

**In-app purchases:** none


## Frequently asked questions

### Is Rang Dong Smart free?

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

### Is LightEarth free?

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

### Which has better reviews, Rang Dong Smart or LightEarth?

LightEarth is rated higher. Rang Dong Smart averages 4.6 out of 5 from 31 ratings, while LightEarth averages 5.0 from 2 ratings.

### Do Rang Dong Smart or LightEarth have ads?

Neither Rang Dong Smart nor LightEarth shows ads.

### Which is updated more often, Rang Dong Smart or LightEarth?

Rang Dong Smart ships an update every 6 months, and LightEarth every 5 weeks. Most recently, Rang Dong Smart was updated on September 10, 2026 and LightEarth on September 15, 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.*