# 开封Plus vs 3D助眠

The clearest difference is update cadence: 开封Plus at fortnightly against 3D助眠's every 5 weeks. 3D助眠's advantage is iOS requirement (12.4 vs 15.6). 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.

开封Plus ships an update fortnightly, 3D助眠 every 5 weeks. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | 开封Plus | 3D助眠 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 5 weeks |
| Size | 91 MB | 199 MB |
| Requires iOS | 15.6 | **12.4** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [开封日报社](https://appshunter.io/developer/1244647940) | [Shenzhen Lititong Technology Co., Ltd.](https://appshunter.io/developer/1511890959) |

## What reviewers say

### 开封Plus

[App page](https://appshunter.io/ios/app/plus/id1544211554)

**Features:** macOS Compatibility

**In-app purchases:** none


### 3D助眠

[App page](https://appshunter.io/ios/app/3d/id6444254419)

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

**In-app purchases:** none


## Frequently asked questions

### Is 开封Plus free?

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

### Is 3D助眠 free?

3D助眠 is free to download, with no in-app purchases.

### Do 开封Plus or 3D助眠 have ads?

Neither 开封Plus nor 3D助眠 shows ads.

### Which is updated more often, 开封Plus or 3D助眠?

开封Plus ships an update fortnightly, and 3D助眠 every 5 weeks. Most recently, 开封Plus was updated on November 3, 2026 and 3D助眠 on October 30, 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.*