# CISSP中文习题 vs 知识树

The clearest difference is price: 知识树 at Free against CISSP中文习题's $1.99. 知识树 also leads on review sentiment (39% vs 0%) and update cadence (every 5 days vs every 64 months). CISSP中文习题's advantage is in-app purchases (none vs 4) and iOS requirement (13.0 vs 17.0). On ads and device support there is nothing between them.

知识树 is free to download; CISSP中文习题 costs $1.99 up front. 知识树 sells 4 in-app purchases, starting at $2.99 per month. CISSP中文习题 asks for nothing beyond the download.

CISSP中文习题 ships an update every 64 months, 知识树 every 5 days. The most recent releases landed on October 7, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | CISSP中文习题 | 知识树 |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | — | **[4.2 (5 ratings)](https://appshunter.io/ios/app/ai/id6505133670/reviews)** |
| Number of ratings | — | **5** |
| Positive reviews | 0.0% of reviews | **38.9% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 64 months | **Every 5 days** |
| Monetization | Paid | **Freemium** |
| Size | 1 MB | 2 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [思语 明](https://appshunter.io/developer/1522214627) | [野 匡](https://appshunter.io/developer/819954894) |

## What reviewers say

### CISSP中文习题

[App page](https://appshunter.io/ios/app/cissp/id1557036559)

This app provides comprehensive study materials and practice questions for the CISSP certification exam in Chinese. It covers all eight domains with detailed knowledge points, exam essentials, and review questions, allowing for flexible learning through random and quick quizzes. Track your progress and identify knowledge gaps easily.

**Highlights:** Covers 8 CISSP knowledge domains, Chinese language study materials, Random and quick quizzes, Progress tracking, Local offline question bank, 140 knowledge points, 420 review questions

**Features:** macOS Compatibility

**In-app purchases:** none


### 知识树

[App page](https://appshunter.io/ios/app/ai/id6505133670)

This intelligent learning system uses AI to understand knowledge, break down concepts, and dynamically schedule practice and review based on your memory state. It focuses on true retention through spaced repetition and scientific memory curves, not just completing exercises.

**Highlights:** AI-driven knowledge understanding, Dynamic practice and review scheduling, Breakdown of knowledge into testable points, Spaced repetition for long-term memory, Automatic assessment of mastery, Progress tracking over speed

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 月度会员 | $2.99 | per month |
| 季度会员 | $4.99 | per 3 months |
| 年度会员 | $19.99 | per year |
| 终身会员 | $24.99 | one-time |


## Frequently asked questions

### Is CISSP中文习题 free?

CISSP中文习题 costs $1.99, with no in-app purchases.

### Is 知识树 free?

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

### Do CISSP中文习题 or 知识树 have ads?

Neither CISSP中文习题 nor 知识树 shows ads.

### Which is updated more often, CISSP中文习题 or 知识树?

CISSP中文习题 ships an update every 64 months, and 知识树 every 5 days. Most recently, CISSP中文习题 was updated on October 7, 2026 and 知识树 on October 6, 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.*