# CAFS研究生 vs 知识星图

The clearest difference is in-app purchases: CAFS研究生 at none against 知识星图's 1. 知识星图's advantage is update cadence (every 2 weeks vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. 知识星图 sells 1 one-off in-app purchase. CAFS研究生 asks for nothing beyond the download.

CAFS研究生 ships an update every 2 months, 知识星图 every 2 weeks. The most recent releases landed on October 27, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | CAFS研究生 | 知识星图 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Size | 32 MB | 356 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [中国财政科学研究院](https://appshunter.io/developer/1494077788) | [Beijing Chisheng Technology Co., Ltd](https://appshunter.io/developer/1622788640) |

## What reviewers say

### CAFS研究生

[App page](https://appshunter.io/ios/app/cafs/id1529694085)

**Features:** Vision Pro support

**In-app purchases:** none


### 知识星图

[App page](https://appshunter.io/ios/app/id6504549693)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 知识星图年会员 | $14.99 | one-time |


## Frequently asked questions

### Is CAFS研究生 free?

CAFS研究生 is free to download, with no in-app purchases.

### Is 知识星图 free?

知识星图 is free to download, with in-app purchases available.

### Do CAFS研究生 or 知识星图 have ads?

Neither CAFS研究生 nor 知识星图 shows ads.

### Which is updated more often, CAFS研究生 or 知识星图?

CAFS研究生 ships an update every 2 months, and 知识星图 every 2 weeks. Most recently, CAFS研究生 was updated on October 27, 2026 and 知识星图 on October 9, 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.*