# Smart Control Device vs Grelan幻彩灯控

The clearest difference is update cadence: Smart Control Device at every 3 weeks against Grelan幻彩灯控's every 8 months. Smart Control Device also leads on iOS requirement (10.0 vs 13.0). On price, ads, in-app purchases and device support there is nothing between them.

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

Smart Control Device ships an update every 3 weeks, Grelan幻彩灯控 every 8 months. The most recent releases landed on October 10, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Smart Control Device | Grelan幻彩灯控 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 8 months |
| Size | 50 MB | 27 MB |
| Requires iOS | **10.0** | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [奇勇 颜](https://appshunter.io/developer/1278807009) | [小琴 黄](https://appshunter.io/developer/1807816822) |

## What reviewers say

### Smart Control Device

[App page](https://appshunter.io/ios/app/smart-control-device/id1479001292)

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

**In-app purchases:** none


### Grelan幻彩灯控

[App page](https://appshunter.io/ios/app/grelan/id6751787884)

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

**In-app purchases:** none


## Frequently asked questions

### Is Smart Control Device free?

Smart Control Device is free to download, with no in-app purchases.

### Is Grelan幻彩灯控 free?

Grelan幻彩灯控 is free to download, with no in-app purchases.

### Do Smart Control Device or Grelan幻彩灯控 have ads?

Neither Smart Control Device nor Grelan幻彩灯控 shows ads.

### Which is updated more often, Smart Control Device or Grelan幻彩灯控?

Smart Control Device ships an update every 3 weeks, and Grelan幻彩灯控 every 8 months. Most recently, Smart Control Device was updated on October 10, 2026 and Grelan幻彩灯控 on October 6, 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.*