码虫刷题 vs Z2Y Java Principles
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
码虫刷题
This app helps users prepare for the 408 computer science postgraduate entrance exam. It offers daily practice, topic-specific drills, past paper simulations, and a错题笔记 feature for note-taking and peer interaction. It also provides admissions information for nearly 500 computer science graduate programs.
- Daily practice plans
- Topic-specific drills
- Past paper simulations
- Error tracking and notes
- University admissions data
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【每日打卡】 制定刷题计划，每日打卡刷题。 【考点刷题】 各科分考点，哪块薄弱刷哪块。 【真题模拟】 包含408历年真题，随时随地刷真题。 【错题笔记】 写笔记，增加答题记忆，题友还可以交流笔记。 【考研择校】 包含近500所计算机考研院校招生信息。
Z2Y Java Principles
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Here, you can learn the principles of Java and its related knowledge for work, creation, and interviews, among other purposes. Use the system to track and manage your learning, and add notes at any time, making it easy to secure an offer. Future updates will include: adding local & online bookmarks, learning report statistics, learning plan reminders; the default knowledge base content will be continuously updated!!
Screenshots
Verdict
The clearest difference is price: 码虫刷题 at Free against Z2Y Java Principles's $1.99. Z2Y Java Principles's advantage is device support (4 vs 2) and iOS requirement (15.6 vs 18.0). On update cadence, ads and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
码虫刷题 is free to download; Z2Y Java Principles costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
码虫刷题 ships an update every 8 days, Z2Y Java Principles every 5 days. The most recent releases landed on October 3, 2026 and October 10, 2026 respectively.
| Parameter | 码虫刷题 | Z2Y Java Principles |
|---|---|---|
| Price | Free — better | $1.99 |
| Rating | 3.2 (9 ratings) — better | — |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 9 — better | — |
| Update frequency | Every 8 days | Every 5 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad | iPhone, iPad, iPod, Mac — better |
| Requires iOS | 18.0 | 15.6 — better |
| Further details — not scored | ||
| Size | 65 MB | 257 MB |
| Age rating | 17+ | 4+ |
| Developer | Nanjing Mushi Education Technology Co., Ltd. | 洁 欧阳 |
In-app purchases
码虫刷题
No in-app purchases
Z2Y Java Principles
No in-app purchases
