# 远大智控 vs 3D助眠

The clearest difference is update cadence: 3D助眠 at every 5 weeks against 远大智控's every 4 months. 远大智控's advantage is iOS requirement (9.0 vs 12.4). 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.

远大智控 ships an update every 4 months, 3D助眠 every 5 weeks. The most recent releases landed on October 9, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | 远大智控 | 3D助眠 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 5 weeks** |
| Size | 8 MB | 199 MB |
| Requires iOS | **9.0** | 12.4 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [远大洁净空气科技有限公司](https://appshunter.io/developer/1510525132) | [Shenzhen Lititong Technology Co., Ltd.](https://appshunter.io/developer/1511890959) |

## What reviewers say

### 远大智控

[App page](https://appshunter.io/ios/app/id1461028664)

**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 远大智控 free?

远大智控 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 远大智控 or 3D助眠 have ads?

Neither 远大智控 nor 3D助眠 shows ads.

### Which is updated more often, 远大智控 or 3D助眠?

远大智控 ships an update every 4 months, and 3D助眠 every 5 weeks. Most recently, 远大智控 was updated on October 9, 2026 and 3D助眠 on October 14, 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.*