# K vs LightEarth

The clearest difference is iOS requirement: K at 8.0 against LightEarth's 15.6. On price, rating, ratings volume and update cadence there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for K against 5.0 for LightEarth. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

K ships an update every 3 weeks, LightEarth monthly. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | K | LightEarth |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/k-audio-i/id1228560758/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/lightearth/id6466146778/reviews) |
| Number of ratings | 1 | **2** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Monthly |
| Monetization | Free | Free |
| Size | 5 MB | 34 MB |
| Requires iOS | **8.0** | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [泳涛 周](https://appshunter.io/developer/713061925) | [SUNSHINE TECHNOLOGY(CHINA) CO., LIMITED](https://appshunter.io/developer/1647326640) |

## What reviewers say

### K

[App page](https://appshunter.io/ios/app/k-audio-i/id1228560758)

This app provides wireless control and management for a karaoke pre-amplifier audio processor. It offers a simplified interface for iPhone users, allowing for easy operation of audio settings.

**Highlights:** Wireless control, Audio processor management, Simplified interface, iPhone compatibility

**In-app purchases:** none


### LightEarth

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

Control your SUNT Series Hybrid Inverter remotely using your phone's Wi-Fi. Set working modes and monitor operational data with this utility app.

**Highlights:** Remote inverter control, Set working modes, Monitor operation data, Wi-Fi communication, User-friendly interface

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

**In-app purchases:** none


## Frequently asked questions

### Is K free?

K 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, K or LightEarth?

K and LightEarth are both rated 5.0 out of 5 on the App Store, from 1 and 2 ratings respectively.

### Do K or LightEarth have ads?

Neither K nor LightEarth shows ads.

### Which is updated more often, K or LightEarth?

K ships an update every 3 weeks, and LightEarth monthly. Most recently, K was updated on November 2, 2026 and LightEarth on November 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.*