# 知源中医 vs 流静

The clearest difference is review sentiment: 知源中医 at 84% against 流静's 0%. 知源中医 also leads on device support (4 vs 2). 流静's advantage is in-app purchases (none vs 10) and iOS requirement (12.0 vs 15.0). On price, update cadence and ads there is nothing between them.

Both are free to download. 知源中医 sells 10 in-app purchases, starting at $7.49 per month. 流静 asks for nothing beyond the download.

Both ship on a similar rhythm, roughly weekly. The most recent releases landed on November 7, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | 知源中医 | 流静 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (53 ratings)](https://appshunter.io/ios/app/id1602310904/reviews)** | — |
| Number of ratings | **53** | — |
| Positive reviews | **84.1% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Weekly | Weekly |
| Monetization | — | Free with in-app purchases |
| Size | 363 MB | 156 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Chongqing Caochen Technology Co., Ltd.](https://appshunter.io/developer/1227265173) | [Wuxi fanyue information consulting co., ltd](https://appshunter.io/developer/1705604363) |

## What reviewers say

### 知源中医

[App page](https://appshunter.io/ios/app/id1602310904)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| VIP连续包月 | $7.49 | per month |
| 知源中医充值108余额 | $14.99 | one-time |
| VIP年卡 | $22.99 | one-time |
| 新用户限时活动 | $29.99 | one-time |
| 老用户限时活动 | $29.99 | one-time |
| 知源中医充值 199 余额 | $29.99 | one-time |
| 三年卡 | $34.99 | one-time |
| 永久卡 | $49.99 | one-time |
| 永久卡 | $59.99 | one-time |
| 永久卡 | $69.99 | one-time |


### 流静

[App page](https://appshunter.io/ios/app/id6464159165)

This app offers guided meditation, sleep aids, and white noise to help users manage stress, improve focus, and enhance emotional well-being. It provides a variety of audio content, including breathing exercises, nature sounds, and sleep stories, designed to promote inner peace and a healthier lifestyle.

**Highlights:** Guided meditation sessions, Sleep stories and white noise, Stress and anxiety relief, Focus and concentration improvement, Emotional management tools, Breathing exercises, Nature sounds and ambient music

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 知源中医 free?

知源中医 is free to download, with in-app purchases available.

### Is 流静 free?

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

### Do 知源中医 or 流静 have ads?

Both 知源中医 and 流静 show ads.

### Which is updated more often, 知源中医 or 流静?

知源中医 ships an update weekly, and 流静 weekly. Most recently, 知源中医 was updated on November 7, 2026 and 流静 on November 3, 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.*