# 自在中频电疗仪 vs 约约康业务端

自在中频电疗仪 and 约约康业务端 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.

自在中频电疗仪 ships an update every 6 weeks, 约约康业务端 every 2 months. The most recent releases landed on September 20, 2026 and August 22, 2026 respectively.

## The numbers

| Metric | 自在中频电疗仪 | 约约康业务端 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 2 months |
| Size | 69 MB | 69 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 12+ | 17+ |
| Developer | [Yancheng YoungBright Technology Co., Ltd](https://appshunter.io/developer/1276437086) | [四川欣佳能达医药有限公司](https://appshunter.io/developer/1678025044) |

## What reviewers say

### 自在中频电疗仪

[App page](https://appshunter.io/ios/app/id1634362130)

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

**In-app purchases:** none


### 约约康业务端

[App page](https://appshunter.io/ios/app/id6470786608)

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

**In-app purchases:** none


## Frequently asked questions

### Is 自在中频电疗仪 free?

自在中频电疗仪 is free to download, with no in-app purchases.

### Is 约约康业务端 free?

约约康业务端 is free to download, with no in-app purchases.

### Do 自在中频电疗仪 or 约约康业务端 have ads?

Neither 自在中频电疗仪 nor 约约康业务端 shows ads.

### Which is updated more often, 自在中频电疗仪 or 约约康业务端?

自在中频电疗仪 ships an update every 6 weeks, and 约约康业务端 every 2 months. Most recently, 自在中频电疗仪 was updated on September 20, 2026 and 约约康业务端 on August 22, 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.*