Best Ruizhi Gao Apps

250+ iOS apps curated and reviewed

4.1 avg rating

20 free apps

Updated October 2026

From beginner-friendly picks to power-user tools, our ruizhi gao list covers 250+ iPhone apps updated through October 2026. Compare ratings, prices, and screenshots in one place.

Compare top Ruizhi Gao Apps (October 2026)

#	App	Price	Rating	Ads	In-App Purchases	Updated
1	FET SoundAssist	Free	—	No	No	Oct 2026
2	Hello Interview	Free	5.0★ (57)	No	Yes	Oct 2026
3	Volume Shader	Free	4.6★ (11)	Yes	No	Oct 2026
4	DSA 2026 Conference	Free	—	No	No	Oct 2026
5	JCID DOCTOR	Free	4.6★ (9)	No	No	Oct 2026
6	Debug Anywhere	Free	4.6★ (55)	Yes	Yes	Oct 2026
7	SciSpace	Free	2.6★ (11)	No	No	Oct 2026
8	ISTQB Foundation Preparation	Free	4.8★ (43)	No	Yes	Oct 2026

Top Picks for Ruizhi Gao

#1

FET SoundAssist by Ruizhi Gao

Retail Audio Ops

Editor's Choice

0.0(0 ratings)

Free

FET SoundAssist screenshot 1

FET SoundAssist screenshot 2

FET SoundAssist screenshot 3

#2

Hello Interview by Optick Labs Inc. dba Hello Interview

Ace your tech interviews

Strong Contender

5.0(57 ratings)

FreeIn-App Purchases

Hello Interview screenshot 1

Hello Interview screenshot 2

Hello Interview screenshot 3

Hello Interview screenshot 4

Hello Interview screenshot 5

Hello Interview screenshot 6

Prepare for software engineering interviews with structured learning paths, practical guides, and interactive quizzes. Gain confidence in system design, data structures, algorithms, and behavioral questions. Access real interview experiences and community insights.

#3

Volume Shader by Shahid Ali

Native GPU Test & Checkup

Worth Considering

4.6(11 ratings)

FreeAds

Volume Shader screenshot 1

Volume Shader screenshot 2

Volume Shader screenshot 3

Volume Shader screenshot 4

Volume Shader screenshot 5

Explore complex 3D fractal visualizations rendered natively on your iPhone or iPad. Test your device's GPU performance and check system states like thermal and battery.

More Ruizhi Gao apps to explore

DSA 2026 Conference

DSA 2026 Conference

DSA 2026 Conference

by Dance Studies Association, Inc.

精诚验机助手

This tool performs comprehensive hardware diagnostics on phones and iPads. It tests audio, camera, sensors, screen, buttons, and connectivity. Get detailed system information including battery and storage.

Audio testing (speaker, earpiece, mics)Camera functionality checkSensor diagnostics

Inspect web / DevTools

A comprehensive toolkit for web developers to inspect, debug, and enhance web pages. It offers features like webpage inspection, user-agent switching, JavaScript injection, and network diagnostics.

Webpage inspection toolsUser-Agent switcherJavaScript injection

🛠️ Developer Tools

free with in-app purchases

Hours of research in minutes

This AI-powered research companion helps academics, researchers, and students accelerate literature reviews. It allows users to search millions of papers using natural language, extract key information from documents, and receive citation-backed answers to their queries.

AI-powered semantic searchInstant paper insights extractionCitation-backed answers

ISTQB Foundation Preparation

ISTQB Foundation Preparation

ISTQB Foundation Preparation

A Complete Exam Study Material

Prepare for the ISTQB Foundation Level exam with this comprehensive study material. It offers randomly generated practice questions, mock tests, and detailed answer explanations to help you gain exam experience and assess your knowledge.

Randomly generated ISTQB questionsMock tests simulating exam conditionsChapter-classified practice questions

CompTIA Server+ Test Prep 2026

CompTIA Server+ Test Prep 2026

CompTIA Server+ Test Prep 2026

Pass SK0-005 Server+ Exam

Prepare for the CompTIA Server+ certification exam with a comprehensive test prep application. It offers over 1000 practice questions, exam simulation, and progress tracking to build confidence for your IT certification.

1000+ practice questions with explanationsExam simulatorProgress tracking

free with in-app purchases

by Vishalbhai Arvindbhai Vilat

Automate precise taps, scrolls, and gestures for testing and performance analysis. Visualize results with detailed metrics and charts. Ideal for developers and gamers seeking to streamline repetitive actions.

Simulate tapsSimulate scrollsSimulate gestures

TriviaSDET - QA AI Practice

TriviaSDET - QA AI Practice

TriviaSDET - QA AI Practice

AI SDET QA Interview Practice

Prepare for SDET interviews with AI-powered feedback and interactive learning. Practice technical concepts, automation, and communication skills through various modes and flashcards. Track your progress and identify areas for improvement.

AI-powered voice Q&A with feedbackClassic, Topic Focus, and Time Challenge modesSmart flashcards with spaced repetition

free with in-app purchases

by Society of Hispanic Professional Engineers

This app connects STEM students and professionals at a major annual gathering. It facilitates networking and access to resources for career development within the Hispanic professional engineering community.

Connect with STEM students and professionalsAccess convention resourcesFacilitate networking

Userlytics - Earn by Testing

Userlytics - Earn by Testing

Userlytics - Earn by Testing

Take UX tests & earn rewards

Share your opinions on digital products and get paid. Test new apps, websites, and digital experiences to help brands improve their offerings. Track your earnings and access support directly within the app.

Earn money for completed studiesDiscover available surveys and interviewsSchedule and join live testing sessions

SWTest Asia 2026 Conference

SWTest Asia 2026 Conference

SWTest Asia 2026 Conference

by International Wafer Test

Access comprehensive details about the SWTest Conference and EXPO, including the full program schedule, sponsor and exhibitor listings, attendee information, and social event details. Stay informed about all aspects of the event.

Conference Program DetailsSponsor InformationExhibitor Listings

Access research on the go

Access over 150 million scientific publications and connect with millions of researchers worldwide. Stay updated on new research in your field, track your academic stats, and download full-text articles for offline reading.

Access 150+ million publicationsConnect with 20+ million researchersStay updated on new research

🌐 Social Networking

free with in-app purchases

GeeksforGeeks - Learn Coding

GeeksforGeeks - Learn Coding

GeeksforGeeks - Learn Coding

Learning packed in an App!

Master coding skills with comprehensive tutorials, practice problems, and articles on Data Structures, Algorithms, Web Development, and more. Prepare for technical interviews with a detailed roadmap and community support. Download content for offline learning.

Data Structures and Algorithms tutorialsWeb Development coursesProgramming language guides

by Society of Quality Assurance, Incorporated

by Induslynk Training Services Private Limited

This app provides a secure platform for individuals to take assessments and tests remotely. Organizations can use it for talent acquisition and development, offering customized evaluations for various stages of the employee lifecycle.

Attempt tests on the goSecure test environmentTalent acquisition assessments

Sharing app made easy

This app facilitates easy sharing of mobile applications for testing and feedback. Testers receive notifications for new releases, while developers can manage app versions and team members through a dedicated portal.

App sharing for testingFeedback collectionRelease management

🛠️ Developer Tools

Live monitor & hardware tests

This app provides comprehensive system monitoring for your device. It offers detailed hardware data, CPU and GPU information, memory usage, network traffic, disk space, battery status, and even a decibel meter. A Today Widget allows for real-time monitoring of key metrics.

Detailed hardware dataIn-depth CPU and GPU informationMemory and network traffic monitoring

free with in-app purchases

FAQ about Ruizhi Gao

Are there free ruizhi gao apps for iPhone?

Yes — 20 of the top ruizhi gao apps we rank are free to download, including FET SoundAssist and Hello Interview.

Does FET SoundAssist have ads or in-app purchases?

FET SoundAssist has no ads and has no in-app purchases, according to its App Store listing as of October 2026.

How many ruizhi gao apps are on the App Store?

We track 250+ ruizhi gao apps on the iOS App Store as of October 2026, ranked by rating, recency, and analysis of real user reviews.