# 维缰 vs 天天你知道Plus

The clearest difference is in-app purchases: 维缰 at none against 天天你知道Plus's 3. 维缰 also leads on iOS requirement (9.0 vs 15.0). 天天你知道Plus's advantage is update cadence (every 2 weeks vs every 2 months). On price, ads and device support there is nothing between them.

Both are free to download. 天天你知道Plus sells 3 one-off in-app purchases. 维缰 asks for nothing beyond the download.

维缰 ships an update every 2 months, 天天你知道Plus every 2 weeks. The most recent releases landed on October 3, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | 维缰 | 天天你知道Plus |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/plus/id6743823284/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 53 MB | 97 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Shenzhen Beidou Automobile Network Technology Co., Ltd..](https://appshunter.io/developer/1467841357) | [北京人生北斗文化传媒有限公司](https://appshunter.io/developer/1833847545) |

## What reviewers say

### 维缰

[App page](https://appshunter.io/ios/app/id1470979454)

**Features:** macOS Compatibility

**In-app purchases:** none


### 天天你知道Plus

[App page](https://appshunter.io/ios/app/plus/id6743823284)

This app provides personalized guidance based on ergonomic principles and ancient Chinese culture, combined with modern science. It analyzes user data to offer tailored solutions for various aspects of life, promoting harmony with nature and society.

**Highlights:** Ergonomic principles, Ancient Chinese culture integration, Modern scientific support, Personalized data analysis, Tailored life solutions, Promotes harmony

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 月度会员 | $6.99 | one-time |
| 季度会员 | $14.99 | one-time |
| 年度会员 | $39.99 | one-time |


## Frequently asked questions

### Is 维缰 free?

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

### Is 天天你知道Plus free?

天天你知道Plus is free to download, with in-app purchases available.

### Do 维缰 or 天天你知道Plus have ads?

Neither 维缰 nor 天天你知道Plus shows ads.

### Which is updated more often, 维缰 or 天天你知道Plus?

维缰 ships an update every 2 months, and 天天你知道Plus every 2 weeks. Most recently, 维缰 was updated on October 3, 2026 and 天天你知道Plus 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.*