# 公共基础知识 vs 1998课堂

The clearest difference is in-app purchases: 公共基础知识 at none against 1998课堂's 4. 1998课堂's advantage is update cadence (every 11 days vs monthly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. 1998课堂 sells 4 one-off in-app purchases. 公共基础知识 asks for nothing beyond the download.

公共基础知识 ships an update monthly, 1998课堂 every 11 days. The most recent releases landed on September 25, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | 公共基础知识 | 1998课堂 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (21 ratings)](https://appshunter.io/ios/app/2026/id1395842610/reviews)** | — |
| Number of ratings | **21** | — |
| Positive reviews | 68.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Monthly | **Every 11 days** |
| Monetization | Ad-supported | — |
| Size | 14 MB | 397 MB |
| Requires iOS | **14** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [磊 朱](https://appshunter.io/developer/1395842609) | [南京壹玖玖捌文化传播有限公司](https://appshunter.io/developer/1574142172) |

## What reviewers say

### 公共基础知识

[App page](https://appshunter.io/ios/app/2026/id1395842610)

This app provides a comprehensive question bank for public institution exams, covering over 12,000 questions from recent years across multiple provinces. It includes practice modes, mock exams, and a mistake collection feature to aid in preparation.

**Highlights:** Extensive question bank, Covers 20+ provinces, Includes 'Public Basic Knowledge' and 'Professional Ability Test', Mock exams and daily practice, Mistake collection feature, Dark mode support, Low-resource installation package

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

**In-app purchases:** none


### 1998课堂

[App page](https://appshunter.io/ios/app/1998/id1513892479)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 视频课程 | $0.99 | one-time |
| 100点座位卡 | $14.99 | one-time |
| 200点座位卡 | $29.99 | one-time |
| 300点座位卡 | $46.99 | one-time |


## Frequently asked questions

### Is 公共基础知识 free?

公共基础知识 is free to download, with no in-app purchases.

### Is 1998课堂 free?

1998课堂 is free to download, with in-app purchases available.

### Do 公共基础知识 or 1998课堂 have ads?

Both 公共基础知识 and 1998课堂 show ads.

### Which is updated more often, 公共基础知识 or 1998课堂?

公共基础知识 ships an update monthly, and 1998课堂 every 11 days. Most recently, 公共基础知识 was updated on September 25, 2026 and 1998课堂 on September 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.*