Comparison

Java面试(Voids) vs SmartHear

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Java面试(Voids)

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
Read full description

技术面试在一定技巧之基础上更多的是八股,需要大量练习后才能脱口而出,融会贯通后才能将知识点/考点结合业务与产品自然输出。 Java整个体系知识非常丰富,无法面面俱到是正常的知识状态,此应用主要作用是查漏补缺,临时抱佛脚总比裸考强。 取名"Voids"来源于Java工程中的主函数`public static void main(String[] args)`,技术面在国内越来越八股化,工作大部分都是面对搜索引擎编程,只能说熟练应试也是技术/工作能力之一。 题库拥有5000+精选面试题,图文并茂,包括且不限于: Java、JVM、Spring、SpringMVC、SpringBoot、SpringCloud、SpringCloud Alibaba、微服务、MySQL、MyBatis、Redis、Kafka、RabbitMQ、Memcached、ElasticSearch、Dubbo、ZooKeeper、Linux、Docker等等

About

SmartHear

Read full description

SmartHear智能电子听诊器 深入大数据科学研究与应用,支持心肺听诊音采集,同时支持记录回听和云端备份。结合自主研发新一代心、肺音实时算法,以及环境音采集和算法降噪,大大提高听诊音特征表现以及环境噪音对听诊结果的影响。 SmartHear可支持医学科研服务数据采集和患者用户家庭日常监测与采集,建立听诊器数据库,并可另外选择门诊评估系统,AI辅助提供听诊结果特征参考和提示。 本APP【主要功能】 1. 引入科研课题,自定义采集位置和症状标签; 2. 支持LD-DS2-20/30型采集设备绑定与连接; 3. 支持采集心/肺听诊数据和心电数据,云端备份及支持本地回放; 4. 标记/修改听诊记录标签及症状描述; 5. 向医疗专业人员提供听诊后台数据管理系统。 【免责申明】 本应用仅提供心/肺音听诊数据的采集、存储和展示,不包含医疗问诊、医学建议等医疗服务。

Screenshots

Java面试(Voids)4 screens
SmartHear4 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

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.

Scorecard3 real differences · 7 level
Java面试(Voids) versus SmartHear: the parameters behind the verdict, then further details
ParameterJava面试(Voids)SmartHear
PriceFreeFree
Rating5.0 (5 ratings) — better—
Positive reviews71.4% of reviews—
Number of ratings5 — better—
Update frequencyEvery 10 days — betterEvery 2 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, Apple Watch — betteriPhone, iPod
Requires iOS17.012.0 — better
Further details — not scored
Size82 MB46 MB
Age rating4+4+
Developer雷 戴上海合微智能科技有限公司

In-app purchases

1 purchases

Java面试(Voids)

One-time1
  • 升级为Pro$0.99
None

SmartHear

No in-app purchases

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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