# Java面试(Voids) vs SmartHear

The clearest difference is in-app purchases: SmartHear at none against Java面试(Voids)'s 1. SmartHear also leads on iOS requirement (12.0 vs 17.0). Java面试(Voids)'s advantage is update cadence (every 10 days vs every 2 months). On price, ads and device support there is nothing between them.

Both are free to download. Java面试(Voids) sells 1 one-off in-app purchase. SmartHear asks for nothing beyond the download.

Java面试(Voids) ships an update every 10 days, SmartHear every 2 months. The most recent releases landed on October 2, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Java面试(Voids) | SmartHear |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (5 ratings)](https://appshunter.io/ios/app/javavoids-java/id1523010254/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 71.4% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 2 months |
| Monetization | Free with in-app purchases | — |
| Size | 82 MB | 46 MB |
| Requires iOS | 17.0 | **12.0** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [雷 戴](https://appshunter.io/developer/696880612) | [上海合微智能科技有限公司](https://appshunter.io/developer/1121192106) |

## 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 |


### SmartHear

[App page](https://appshunter.io/ios/app/smarthear/id1574424611)

**In-app purchases:** none


## Frequently asked questions

### Is Java面试(Voids) free?

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

### Is SmartHear free?

SmartHear is free to download, with no in-app purchases.

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

Neither Java面试(Voids) nor SmartHear shows ads.

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

Java面试(Voids) ships an update every 10 days, and SmartHear every 2 months. Most recently, Java面试(Voids) was updated on October 2, 2026 and SmartHear on September 23, 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.*