# DOSS蓝牙音箱 vs 轻连PLC

The clearest difference is update cadence: 轻连PLC at every 3 weeks against DOSS蓝牙音箱's every 3 months. DOSS蓝牙音箱's advantage is iOS requirement (7.1 vs 15.0). 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.

DOSS蓝牙音箱 ships an update every 3 months, 轻连PLC every 3 weeks. The most recent releases landed on October 10, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | DOSS蓝牙音箱 | 轻连PLC |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Size | 4 MB | 36 MB |
| Requires iOS | **7.1** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Wonders Technology Co.,Ltd](https://appshunter.io/developer/393352744) | [北京麦乐程物联技术有限公司](https://appshunter.io/developer/1780034322) |

## What reviewers say

### DOSS蓝牙音箱

[App page](https://appshunter.io/ios/app/doss/id912754069)

**Features:** macOS Compatibility

**In-app purchases:** none


### 轻连PLC

[App page](https://appshunter.io/ios/app/plc/id6741800023)

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

**In-app purchases:** none


## Frequently asked questions

### Is DOSS蓝牙音箱 free?

DOSS蓝牙音箱 is free to download, with no in-app purchases.

### Is 轻连PLC free?

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

### Do DOSS蓝牙音箱 or 轻连PLC have ads?

Neither DOSS蓝牙音箱 nor 轻连PLC shows ads.

### Which is updated more often, DOSS蓝牙音箱 or 轻连PLC?

DOSS蓝牙音箱 ships an update every 3 months, and 轻连PLC every 3 weeks. Most recently, DOSS蓝牙音箱 was updated on October 10, 2026 and 轻连PLC on October 13, 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.*