# 一扇门 vs 银环蛇

The clearest difference is update cadence: 一扇门 at every 10 days against 银环蛇's every 3 weeks. 银环蛇's advantage is iOS requirement (13 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. 一扇门 sells 4 one-off in-app purchases and 银环蛇 sells 4 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

一扇门 ships an update every 10 days, 银环蛇 every 3 weeks. The most recent releases landed on October 29, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | 一扇门 | 银环蛇 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 3 weeks |
| Size | 126 MB | 55 MB |
| Requires iOS | 15.0 | **13** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Seven Door Co.,Ltd.](https://appshunter.io/developer/922854753) | [Shanghai Zamgu Network Technology Co.,Ltd.](https://appshunter.io/developer/1534597530) |

## What reviewers say

### 一扇门

[App page](https://appshunter.io/ios/app/id1143765919)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 充值120钻石 | $1.99 | one-time |
| 充值300钻石 | $4.99 | one-time |
| 充值1080钻石 | $15.99 | one-time |
| 充值3080钻石 | $47.99 | one-time |


### 银环蛇

[App page](https://appshunter.io/ios/app/id6479283779)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| VIP Card (1 Month) | $2.99 | one-time |
| VIP Card (3 Months) | $4.99 | one-time |
| VIP Card (6 Months) | $7.99 | one-time |
| VIP Card (12 Months) | $14.99 | one-time |


## Frequently asked questions

### Is 一扇门 free?

一扇门 is free to download, with in-app purchases available.

### Is 银环蛇 free?

银环蛇 is free to download, with in-app purchases available.

### Do 一扇门 or 银环蛇 have ads?

Neither 一扇门 nor 银环蛇 shows ads.

### Which is updated more often, 一扇门 or 银环蛇?

一扇门 ships an update every 10 days, and 银环蛇 every 3 weeks. Most recently, 一扇门 was updated on October 29, 2026 and 银环蛇 on October 25, 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.*