# 科士达光伏+ vs LeiLing

The clearest difference is iOS requirement: LeiLing at 12.0 against 科士达光伏+'s 15.6. On price, update cadence, ads and in-app purchases there is nothing between them.

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

科士达光伏+ ships an update every 3 weeks, LeiLing every 5 weeks. The most recent releases landed on October 10, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | 科士达光伏+ | LeiLing |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 5 weeks |
| Size | 16 MB | 224 MB |
| Requires iOS | 15.6 | **12.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen Kstar Science & Technology Co., Ltd.](https://appshunter.io/developer/1460236605) | [Shanghai Siseli New Energy Cooperative Enterprise](https://appshunter.io/developer/1673700559) |

## What reviewers say

### 科士达光伏+

[App page](https://appshunter.io/ios/app/plus/id1460236606)

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

**In-app purchases:** none


### LeiLing

[App page](https://appshunter.io/ios/app/leiling/id6752373082)

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

**In-app purchases:** none


## Frequently asked questions

### Is 科士达光伏+ free?

科士达光伏+ is free to download, with no in-app purchases.

### Is LeiLing free?

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

### Do 科士达光伏+ or LeiLing have ads?

Neither 科士达光伏+ nor LeiLing shows ads.

### Which is updated more often, 科士达光伏+ or LeiLing?

科士达光伏+ ships an update every 3 weeks, and LeiLing every 5 weeks. Most recently, 科士达光伏+ was updated on October 10, 2026 and LeiLing on September 30, 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.*