# DOOR vs 国康

The clearest difference is iOS requirement: 国康 at 11.0 against DOOR's 15.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

DOOR ships an update every 9 days, 国康 weekly. The most recent releases landed on November 3, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | DOOR | 国康 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 days | **Weekly** |
| Size | 14 MB | 76 MB |
| Requires iOS | 15.0 | **11.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 9+ | 12+ |
| Developer | [建宁 陈](https://appshunter.io/developer/1176148064) | [中浦慧联信息科技(上海)有限公司](https://appshunter.io/developer/1604764404) |

## What reviewers say

### DOOR

[App page](https://appshunter.io/ios/app/door-ble/id1560603905)

**In-app purchases:** none


### 国康

[App page](https://appshunter.io/ios/app/id6464007408)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is DOOR free?

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

### Is 国康 free?

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

### Do DOOR or 国康 have ads?

Neither DOOR nor 国康 shows ads.

### Which is updated more often, DOOR or 国康?

DOOR ships an update every 9 days, and 国康 weekly. Most recently, DOOR was updated on November 3, 2026 and 国康 on November 7, 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.*