# CodeMaster vs Java面试(Voids)

The clearest difference is monetization model: Java面试(Voids) at free with in-app purchases against CodeMaster's subscription. Java面试(Voids) also leads on rating (5.0 vs 4.6) and review sentiment (71% vs 44%). CodeMaster's advantage is ratings volume (140 vs 5). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. CodeMaster sells 3 in-app purchases, starting at $1.99 per 7 days and Java面试(Voids) sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Java面试(Voids) holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: CodeMaster has 140 ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 44% of CodeMaster's written reviews are positive against 71% of Java面试(Voids)'s.

CodeMaster ships an update monthly, Java面试(Voids) every 10 days. Both last shipped on October 2, 2026.

## The numbers

| Metric | CodeMaster | Java面试(Voids) |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (140 ratings)](https://appshunter.io/ios/app/codemaster-mobile-coding-ide/id1514942957/reviews) | **[5.0 (5 ratings)](https://appshunter.io/ios/app/javavoids-java/id1523010254/reviews)** |
| Number of ratings | **140** | 5 |
| Positive reviews | 44.4% of reviews | **71.4% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 10 days** |
| Monetization | Subscription | **Free with in-app purchases** |
| Size | 1.5 GB | 82 MB |
| Requires iOS | **16** | 17.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Shanghai Dazhuo Information Technology Co., Ltd.](https://appshunter.io/developer/1470341377) | [雷 戴](https://appshunter.io/developer/696880612) |

## What reviewers say

### CodeMaster

[App page](https://appshunter.io/ios/app/codemaster-mobile-coding-ide/id1514942957)

A professional mobile code editor and development tool for iOS. It offers comprehensive code browsing, editing, and management features, along with integrated tools for remote connections, database design, and GitHub integration.

**Highlights:** File management and browser, VS Code core Monaco editor, GitHub integration, Code snippet management, Database design tool, SSH client and SFTP

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Membership | $1.99 | per 7 days |
| Monthly subscription | $3.99 | per month |
| Annual Subscription | $20.99 | per year |


### Java面试(Voids)

[App page](https://appshunter.io/ios/app/javavoids-java/id1523010254)

This app provides a comprehensive question bank for Java technical interviews, covering a wide range of topics. It aims to help users identify knowledge gaps and prepare effectively for interviews through extensive practice. The content includes detailed explanations and is designed to assist developers in mastering interview essentials.

**Highlights:** Extensive Java interview question bank, Covers JVM, Spring, Microservices, Databases, and more, Detailed explanations and visual aids, Helps identify knowledge gaps, Practice for technical interviews

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 升级为Pro | $0.99 | one-time |


## Frequently asked questions

### Is CodeMaster free?

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

### Is Java面试(Voids) free?

Java面试(Voids) is free to download, with in-app purchases available.

### Which has better reviews, CodeMaster or Java面试(Voids)?

Java面试(Voids) is rated higher. CodeMaster averages 4.6 out of 5 from 140 ratings, while Java面试(Voids) averages 5.0 from 5 ratings.

### Do CodeMaster or Java面试(Voids) have ads?

Neither CodeMaster nor Java面试(Voids) shows ads.

### Which is updated more often, CodeMaster or Java面试(Voids)?

CodeMaster ships an update monthly, and Java面试(Voids) every 10 days. Most recently, CodeMaster was updated on October 2, 2026 and Java面试(Voids) on October 2, 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.*