# LING HUI vs solar energy.

LING HUI and solar energy. are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

## The numbers

| Metric | LING HUI | solar energy. |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 3 months |
| Size | 68 MB | 252 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Shenzhen EASYWAY Technology Co., Ltd.](https://appshunter.io/developer/1525814132) | [祥梯 孟](https://appshunter.io/developer/1070155084) |

## What reviewers say

### LING HUI

[App page](https://appshunter.io/ios/app/ling-hui/id6746353923)

**Features:** macOS Compatibility

**In-app purchases:** none


### solar energy.

[App page](https://appshunter.io/ios/app/solar-energy/id6755375528)

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

**In-app purchases:** none


## Frequently asked questions

### Is LING HUI free?

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

### Is solar energy. free?

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

### Do LING HUI or solar energy. have ads?

Neither LING HUI nor solar energy. shows ads.

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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.*