# KeyFree vs 开门啦

KeyFree and 开门啦 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.

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on September 7, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | KeyFree | 开门啦 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/keyfree/id992732995/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | Every 3 months |
| Monetization | Free | — |
| Size | 38 MB | 51 MB |
| Requires iOS | 12.0 | **11.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Hangzhou Reformer Holding Co., Ltd.](https://appshunter.io/developer/794153220) | [全民认证科技(杭州)有限公司](https://appshunter.io/developer/1399511140) |

## What reviewers say

### KeyFree

[App page](https://appshunter.io/ios/app/keyfree/id992732995)

This app digitizes access control for various locations using Bluetooth and QR code technology. It allows for comprehensive management of entry permissions via a mobile device, eliminating the need for physical keys or cards and enhancing security.

**Highlights:** Digital access control, Bluetooth and QR code technology, Mobile entry management, Personnel permission control, Enhanced security, Wide range of applications

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

**In-app purchases:** none


### 开门啦

[App page](https://appshunter.io/ios/app/id1373098404)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is KeyFree free?

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

### Is 开门啦 free?

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

### Do KeyFree or 开门啦 have ads?

Neither KeyFree nor 开门啦 shows ads.

### Which is updated more often, KeyFree or 开门啦?

KeyFree ships an update every 3 months, and 开门啦 every 3 months. Most recently, KeyFree was updated on September 7, 2026 and 开门啦 on September 15, 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.*