# 洞识：15分钟摘要 vs 价值投资知识库

The clearest difference is in-app purchases: 价值投资知识库 at none against 洞识：15分钟摘要's 5. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. 洞识：15分钟摘要 sells 5 in-app purchases, starting at $4.99 per month. 价值投资知识库 asks for nothing beyond the download.

洞识：15分钟摘要 ships an update weekly, 价值投资知识库 every 10 days. The most recent releases landed on October 27, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | 洞识：15分钟摘要 | 价值投资知识库 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.7 (3 ratings)](https://appshunter.io/ios/app/15/id6477327844/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Weekly** | Every 10 days |
| Monetization | Free with in-app purchases | — |
| Size | 41 MB | 33 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [文亮 邝](https://appshunter.io/developer/1727426190) | [刚 张](https://appshunter.io/developer/1896779937) |

## What reviewers say

### 洞识：15分钟摘要

[App page](https://appshunter.io/ios/app/15/id6477327844)

This app offers interactive learning experiences to distill core insights from books in just 15 minutes. It provides daily updates and personalized recommendations across various fields, making learning accessible and engaging.

**Highlights:** Interactive learning modules, Daily updated free content, Personalized learning paths, Covers diverse fields, Mobile knowledge library, In-app customer support

**Features:** macOS Compatibility

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 会员月度订阅 | $4.99 | per month |
| 年度会员 | $29.99 | per year |
| 年度会员：首周免费 | $29.99 | per year |
| 年度会员：首周免费 | $39.99 | per year |
| 年度会员 | $39.99 | per year |


### 价值投资知识库

[App page](https://appshunter.io/ios/app/id6773992362)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 洞识：15分钟摘要 free?

洞识：15分钟摘要 is free to download, with in-app purchases available.

### Is 价值投资知识库 free?

价值投资知识库 is free to download, with no in-app purchases.

### Do 洞识：15分钟摘要 or 价值投资知识库 have ads?

Neither 洞识：15分钟摘要 nor 价值投资知识库 shows ads.

### Which is updated more often, 洞识：15分钟摘要 or 价值投资知识库?

洞识：15分钟摘要 ships an update weekly, and 价值投资知识库 every 10 days. Most recently, 洞识：15分钟摘要 was updated on October 27, 2026 and 价值投资知识库 on October 25, 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.*