# 小机云蓝牙 vs LED Sign Smart

The clearest difference is ads: LED Sign Smart at none against 小机云蓝牙's shown. LED Sign Smart also leads on update cadence (every 8 days vs every 4 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

小机云蓝牙 ships an update every 4 months, LED Sign Smart every 8 days. The most recent releases landed on October 13, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | 小机云蓝牙 | LED Sign Smart |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 4 months | **Every 8 days** |
| Size | 26 MB | 14 MB |
| Requires iOS | **12.0** | 13 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [江明 刘](https://appshunter.io/developer/1767289508) | [亚轩 陈](https://appshunter.io/developer/1787405211) |

## What reviewers say

### 小机云蓝牙

[App page](https://appshunter.io/ios/app/id6736645559)

**Features:** macOS Compatibility

**In-app purchases:** none


### LED Sign Smart

[App page](https://appshunter.io/ios/app/led-sign-smart/id6748402461)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 小机云蓝牙 free?

小机云蓝牙 is free to download, with no in-app purchases.

### Is LED Sign Smart free?

LED Sign Smart is free to download, with no in-app purchases.

### Do 小机云蓝牙 or LED Sign Smart have ads?

小机云蓝牙 shows ads; LED Sign Smart does not.

### Which is updated more often, 小机云蓝牙 or LED Sign Smart?

小机云蓝牙 ships an update every 4 months, and LED Sign Smart every 8 days. Most recently, 小机云蓝牙 was updated on October 13, 2026 and LED Sign Smart on October 19, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*