# 中文在线数字图书馆V2 vs 心流.

The clearest difference is review sentiment: 心流. at 100% against 中文在线数字图书馆V2's 0%. 中文在线数字图书馆V2's advantage is in-app purchases (none vs 3). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. 心流. sells 3 in-app purchases, starting at $0.99 per month. 中文在线数字图书馆V2 asks for nothing beyond the download.

中文在线数字图书馆V2 ships an update every 2 months, 心流. every 5 weeks. The most recent releases landed on October 1, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | 中文在线数字图书馆V2 | 心流. |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 weeks** |
| Monetization | **Free** | Freemium |
| Size | 66 MB | 171 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [湖北中文在线数字出版有限公司](https://appshunter.io/developer/1809734912) | [Shanghai Xiaochuang Technology Co.,Ltd](https://appshunter.io/developer/1524186984) |

## What reviewers say

### 中文在线数字图书馆V2

[App page](https://appshunter.io/ios/app/v2/id1209929813)

Access a vast digital library with diverse content including educational materials, science, picture books, and comics. This updated version offers a more powerful, visually appealing, and interactive user experience for readers of all ages.

**Highlights:** Extensive digital content library, Cultural and educational materials, Science and encyclopedia resources, Picture books and comics, User-friendly interface, Interactive features

**Features:** macOS Compatibility

**In-app purchases:** none


### 心流.

[App page](https://appshunter.io/ios/app/id1535657903)

This app helps users cultivate positive self-talk and overcome negative thought patterns through daily affirmations. It allows for personalized quote categories and reminders to build a supportive personal environment for achieving goals and strengthening resilience.

**Highlights:** Daily positive affirmations, Overcome negative thoughts, Build positive self-talk, Personalized quote categories, Set reminders and push notifications, Strengthen subconscious connection

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 心流月度会员 | $0.99 | per month |
| 心流年度会员(有折扣) | $3.99 | per year |
| 心流年度会员(无折扣) | $4.99 | per year |


## Frequently asked questions

### Is 中文在线数字图书馆V2 free?

中文在线数字图书馆V2 is free to download, with no in-app purchases.

### Is 心流. free?

心流. is free to download, with in-app purchases available.

### Do 中文在线数字图书馆V2 or 心流. have ads?

Neither 中文在线数字图书馆V2 nor 心流. shows ads.

### Which is updated more often, 中文在线数字图书馆V2 or 心流.?

中文在线数字图书馆V2 ships an update every 2 months, and 心流. every 5 weeks. Most recently, 中文在线数字图书馆V2 was updated on October 1, 2026 and 心流. on October 17, 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.*