# 全知识 vs PassFish

The clearest difference is in-app purchases: PassFish at none against 全知识's 10. 全知识's advantage is update cadence (every 9 days vs every 5 weeks) and iOS requirement (13 vs 26.0). On price, ads and device support there is nothing between them.

Both are free to download. 全知识 sells 10 in-app purchases, starting at $1.99 per month. PassFish asks for nothing beyond the download.

全知识 ships an update every 9 days, PassFish every 5 weeks. Both last shipped on November 13, 2026.

## The numbers

| Metric | 全知识 | PassFish |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (430 ratings)](https://appshunter.io/ios/app/id1387152606/reviews)** | — |
| Number of ratings | **430** | — |
| Positive reviews | 74.8% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 5 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 870 MB | 6 MB |
| Requires iOS | **13** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 12+ |
| Developer | [Beijing Perfect Knowledge Technology Co. LTD](https://appshunter.io/developer/1541984037) | [ALX37 LTD](https://appshunter.io/developer/1835052652) |

## What reviewers say

### 全知识

[App page](https://appshunter.io/ios/app/id1387152606)

Explore history, art, philosophy, and more through interactive features like 3D museums and relationship maps. Connect with like-minded individuals and discover new knowledge in over 20 specialized channels. Designed to foster a deeper understanding of culture and the world.

**Highlights:** Interactive 3D museums, Relationship and time maps, Specialized knowledge channels, Community forums for discussion, Elite youth learning system, Classical literature and writing skills

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 年表-连续包月 | $1.99 | per month |
| 时空地图-连续包月 | $1.99 | per month |
| 学习会员-连续包月 | $2.49 | per month |
| 年表-连续订阅 | $14.99 | per year |
| 时空地图 | $14.99 | per year |
| 学习会员-连续包年 | $23.49 | per year |
| 历史年表月卡 | $2.99 | one-time |
| 时空地图单月 | $2.99 | one-time |
| 历史年表-年卡 | $24.99 | one-time |
| 时空地图-年卡 | $24.99 | one-time |

**What reviewers like**

- 💡 Comprehensive knowledge base
- 🚀 Detailed timelines and knowledge graphs
- 👍 Informative and well-organized content
- 🚀 Seamless navigation and user experience

**What reviewers complain about**

- 🐛 Frequent crashes on M1 Macs
- 🐛 Registration issues with international phone numbers
- 🔍 Difficulty finding desired content
- 💰 Paid features for time map and other content

**Reported bugs**

- Inability to register with international phone numbers
- Frequent crashes on M1 Macs
- Inability to access certain content without login

**Requested features**

- iPad version with landscape mode support
- Customizable vibration feedback
- Offline mode for content access
- English or multilingual version


### PassFish

[App page](https://appshunter.io/ios/app/passfish/id6818777949)

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

**In-app purchases:** none


## Frequently asked questions

### Is 全知识 free?

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

### Is PassFish free?

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

### Do 全知识 or PassFish have ads?

Neither 全知识 nor PassFish shows ads.

### Which is updated more often, 全知识 or PassFish?

全知识 ships an update every 9 days, and PassFish every 5 weeks. Most recently, 全知识 was updated on November 13, 2026 and PassFish on November 13, 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.*