# Java面试(Voids) vs Tester

The clearest difference is monetization model: Tester at free against Java面试(Voids)'s free with in-app purchases. Tester also leads on ratings volume (574 vs 5) and update cadence (every 2 days vs every 10 days). Java面试(Voids)'s advantage is rating (5.0 vs 4.7). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Java面试(Voids) sells 1 one-off in-app purchase and Tester sells 3 in-app purchases, starting at $4.99 per month. 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 4.7. That said, the two scores are not equally well evidenced: Tester has 574 ratings behind it against 5, so its average is the more settled of the two. Written reviews complicate that: 71% of Java面试(Voids)'s written reviews are positive against 90% of Tester's, so the app with the better star average is not the one people write more warmly about.

Java面试(Voids) ships an update every 10 days, Tester every 2 days. The most recent releases landed on September 14, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | Java面试(Voids) | Tester |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (5 ratings)](https://appshunter.io/ios/app/javavoids-java/id1523010254/reviews)** | [4.7 (574 ratings)](https://appshunter.io/ios/app/tester-ai-worker/id1575521212/reviews) |
| Number of ratings | 5 | **574** |
| Positive reviews | 71.4% of reviews | **89.8% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 10 days | **Every 2 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 82 MB | 76 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone, iPad, Apple Watch | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [雷 戴](https://appshunter.io/developer/696880612) | [FJEDI](https://appshunter.io/developer/1740595411) |

## What reviewers say

### 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 |


### Tester

[App page](https://appshunter.io/ios/app/tester-ai-worker/id1575521212)

Test various APIs directly from your mobile device. Supports REST, GraphQL, WebSockets, and more, with advanced editors and request customization. Share requests easily and manage cookies and history.

**Highlights:** Test REST, GraphQL, WebSocket, SOAP, JSON RPC, XML, HTTP, HTTPS APIs, Powerful GraphQL editor with query, mutation, subscription support, WebSocket testing tool for WS and WSS connections, Flexible request data encoding and transfer types, Import requests from curl, links, or files (Swagger, OpenAPI, Postman), One-tap request sharing via deep link or cURL command, Apple Watch app for sending requests from your wrist

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Tester Plus Monthly | $4.99 | per month |
| Tester Plus Yearly | $24.99 | per year |
| Tester Plus Lifetime | $79.99 | one-time |

**What reviewers like**

- 👍 User-friendly and modern UI
- 🚀 Comprehensive and intuitive
- 🔓 No in-app purchases
- 🛠️ All-in-one dev tool
- 💡 Shortcuts integration

**What reviewers complain about**

- 🐛 Crashes and data loss after updates
- 🔍 Lack of cloud backup/sync
- 🔧 Difficult to manage requests/collections
- 🖱️ Editing issues with long keys
- 🌐 No IPv6 support

**Reported bugs**

- Deleting all saved requests after updates
- App launching to a black screen
- Shortcuts integration not working as expected

**Requested features**

- Add support for environment variables
- Implement folders/collections management
- Allow exporting/importing data as JSON
- Provide more Shortcuts actions
- Add ability to change app icon


## Frequently asked questions

### Is Java面试(Voids) free?

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

### Is Tester free?

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

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

Java面试(Voids) is rated higher. Java面试(Voids) averages 5.0 out of 5 from 5 ratings, while Tester averages 4.7 from 574 ratings.

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

Neither Java面试(Voids) nor Tester shows ads.

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

Java面试(Voids) ships an update every 10 days, and Tester every 2 days. Most recently, Java面试(Voids) was updated on September 14, 2026 and Tester on September 25, 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.*