# KaKey vs 光伏家

KaKey and 光伏家 are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases 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.

KaKey ships an update monthly, 光伏家 every 6 weeks. The most recent releases landed on October 27, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | KaKey | 光伏家 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 6 weeks |
| Size | 76 MB | 45 MB |
| Requires iOS | 14.0 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Shenzhen Lingdu Auto Electronics Co., Ltd.](https://appshunter.io/developer/1727524224) | [XIAMEN CHENNENG INFO TECH CO.,LTD.](https://appshunter.io/developer/1726291014) |

## What reviewers say

### KaKey

[App page](https://appshunter.io/ios/app/kakey/id6670166152)

**Features:** macOS Compatibility

**In-app purchases:** none


### 光伏家

[App page](https://appshunter.io/ios/app/id6740133117)

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

**In-app purchases:** none


## Frequently asked questions

### Is KaKey free?

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

### Is 光伏家 free?

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

### Do KaKey or 光伏家 have ads?

Neither KaKey nor 光伏家 shows ads.

### Which is updated more often, KaKey or 光伏家?

KaKey ships an update monthly, and 光伏家 every 6 weeks. Most recently, KaKey was updated on October 27, 2026 and 光伏家 on September 10, 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.*