# C#程序设计 vs Java面试手册

The clearest difference is ads: Java面试手册 at none against C#程序设计's shown. Java面试手册 also leads on update cadence (every 3 weeks vs every 4 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. C#程序设计 sells 1 one-off in-app purchase and Java面试手册 sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

C#程序设计 ships an update every 4 months, Java面试手册 every 3 weeks. The most recent releases landed on October 8, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | C#程序设计 | Java面试手册 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 92.3% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 4 months | **Every 3 weeks** |
| Monetization | — | Free |
| Size | 25 MB | 53 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 4+ |
| Developer | [宏斌 樊](https://appshunter.io/developer/1452129040) | [宇 刘](https://appshunter.io/developer/1551581698) |

## What reviewers say

### C#程序设计

[App page](https://appshunter.io/ios/app/c/id1455079400)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 去除广告插件 | $2.99 | one-time |


### Java面试手册

[App page](https://appshunter.io/ios/app/java/id6504601924)

This app offers a comprehensive collection of thousands of frequently asked interview questions for Java developers. It covers a wide range of topics, from core Java concepts to advanced frameworks and system design, aiding users in preparing for job interviews.

**Highlights:** Thousands of high-frequency interview questions, Covers Java fundamentals, design patterns, data structures, Includes topics like databases, operating systems, and concurrency, Features frameworks like Spring, Spring Boot, and Spring Cloud, Content continuously updated, Contact for issues and new question submissions

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 永久会员 | $3.99 | one-time |


## Frequently asked questions

### Is C#程序设计 free?

C#程序设计 is free to download, with in-app purchases available.

### Is Java面试手册 free?

Java面试手册 is free to download, with in-app purchases available.

### Do C#程序设计 or Java面试手册 have ads?

C#程序设计 shows ads; Java面试手册 does not.

### Which is updated more often, C#程序设计 or Java面试手册?

C#程序设计 ships an update every 4 months, and Java面试手册 every 3 weeks. Most recently, C#程序设计 was updated on October 8, 2026 and Java面试手册 on September 23, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*