# 3D助眠 vs 七十二候

The clearest difference is in-app purchases: 3D助眠 at none against 七十二候's 3. 3D助眠 also leads on iOS requirement (12.4 vs 17.0). 七十二候's advantage is update cadence (every 4 days vs every 5 weeks). On price, ads and device support there is nothing between them.

Both are free to download. 七十二候 sells 3 in-app purchases, starting at $0.99 per month. 3D助眠 asks for nothing beyond the download.

3D助眠 ships an update every 5 weeks, 七十二候 every 4 days. The most recent releases landed on October 14, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | 3D助眠 | 七十二候 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 4 days** |
| Size | 199 MB | 446 MB |
| Requires iOS | **12.4** | 17.0 |
| Devices | iPhone, iPod | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen Lititong Technology Co., Ltd.](https://appshunter.io/developer/1511890959) | [杨 黄](https://appshunter.io/developer/1836429380) |

## What reviewers say

### 3D助眠

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

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

**In-app purchases:** none


### 七十二候

[App page](https://appshunter.io/ios/app/id6759767521)

**Features:** macOS Compatibility, Family Sharing, Apple Watch app

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium | $0.99 | per month |
| Yearly Premium | $2.99 | per year |
| Lifetime Premium | $4.99 | one-time |


## Frequently asked questions

### Is 3D助眠 free?

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

### Is 七十二候 free?

七十二候 is free to download, with in-app purchases available.

### Do 3D助眠 or 七十二候 have ads?

Neither 3D助眠 nor 七十二候 shows ads.

### Which is updated more often, 3D助眠 or 七十二候?

3D助眠 ships an update every 5 weeks, and 七十二候 every 4 days. Most recently, 3D助眠 was updated on October 14, 2026 and 七十二候 on October 13, 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.*