Best Computer Science Skills Practice Apps

Thousands of courses and degree programsHands-on projectsProfessional certificates

Access thousands of courses, hands-on projects, and degree programs from top universities and companies. Learn in-demand job skills, earn certificates, and advance your career with flexible, mobile-friendly learning options.

(174K)

Think Sharper. Code Better.

LeetCode

Search and discover company questionsPractice coding challengesManage practice lists

Practice coding challenges and prepare for technical interviews on the go. Discover company-specific questions, manage your practice lists, and track your progress. Stay updated with contests and daily quests to improve your skills.

DataCamp: Data Science & AI

(411)

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Learn Python, SQL, R, & Coding

Interactive coding coursesReal-world projectsAI-assisted learning

Learn in-demand coding and AI skills through interactive courses and real-world projects. Master languages like Python and SQL, and gain certifications to advance your career in data science and AI.

(4.8K)

AP Computer Science Practice

Practice 1000 of Questions

$7.99

Cosmo: Learn GenAI & More

(0)

Learn GenAI, business and tech

Personalized AI tutorHands-on, practice-based lessonsLearn GenAI, business, tech, and more

This app offers hands-on, practice-based lessons to build in-demand skills in areas like GenAI, business, and tech. It acts as a personal AI tutor, adapting to your learning pace and providing instant help on any topic. Earn shareable certificates and skill badges to advance your career.

(779)

Programming Hub: Learn Coding

Code Java,C,Python,AI,Compiler

Interactive coding lessons5000+ code examples35+ programming courses

Learn to code through interactive, game-like lessons. Access over 5000 code examples and 35+ courses in various programming languages, all within a single app. Practice and build your skills with the world's fastest compiler.

(9.8K)

Simplilearn: Online Learning

Find Online Certified Courses

Over 400 certificate coursesLive classes and webinarsExpert trainers

This platform offers a vast array of online courses and certifications in digital skills, designed to boost your career. Learn from industry experts through live classes, hands-on projects, and personalized recommendations. Access free courses and gain valuable skills at your own pace.

(1K)

Pocket Prep IT & Cybersecurity

Pass CISSP, CISM, CompTIA +

17,000+ practice questionsExpert-written questions with explanationsFull-length mock exams

Prepare for IT and cybersecurity certification exams with thousands of practice questions and mock tests. Reinforce key concepts and build confidence for your exam day with expert-crafted content and detailed explanations.

Develop in-demand skills for career advancement through a vast library of courses and certifications. Learn from industry leaders, track your progress with leaderboards and achievements, and access content offline or on the big screen.

180,000+ learning titlesLeadership and technology certificationsOffline learning

You can learn anything

Thousands of interactive exercises, videos, and articlesStudy math, science, economics, finance, grammar, history, and morePractice exercises with instant feedback and hints

Access a vast library of free educational content, including interactive exercises, videos, and articles. Master subjects from math and science to humanities and finance at your own pace, with offline access and personalized learning paths.

Enki: Learn Coding/Programming

(109K)

free

Python JavaScript SQL CSS Code

AI-powered skills coachPersonalized learning pathsCode review and feedback

This AI-powered coach helps you learn coding, data skills, and productivity tools. It offers personalized lessons, code review, and interactive exercises to build your expertise. Engage with a community, track your progress, and receive career advice to advance your technical skills.

(1.1K)

Security+, A+, Network+ Test

CompTIA Exam Prep 2026

Over 4000 practice questionsDetailed answer explanationsMultiple efficient test modes

Prepare for CompTIA certification exams with over 4,000 practice questions and detailed explanations. Features multiple test modes, performance analysis, and subject categorization based on the latest syllabi for A+, Security+, and Network+ certifications.

Coursiv - AI Certificates

(234)

subscription

Earn AI Certificates

Structured AI learning programsEarn verifiable AI certificatesPractical AI skill development

This app offers structured AI learning programs designed to help users master practical AI skills and earn verifiable certificates. It focuses on guided progression, applied exercises, and transparent progress tracking to demonstrate tangible achievements.

Pocket Prep ATI TEAS 2026

(3K)

subscription

7th Edition Exam Practice

2,000 TEAS practice questions3 full-length mock examsExpert-written questions with explanations

Prepare for the ATI TEAS exam with a comprehensive study tool. Access thousands of practice questions, full-length mock exams, and detailed explanations to build confidence and improve retention. Tailor your study sessions and track progress to pass your exam.

🏥 Medical

(11K)

O'Reilly

by O'Reilly Media, Inc.

Offline access to books, videos, and coursesCross-device progress syncingContent discovery and playlist creation

Access a vast library of expert-led books, videos, and courses on business and technology trends. Learn online or offline, sync progress across devices, and personalize your reading experience. Discover and organize content with playlists for easy access.

CompTIA A+ Practice Test 2026

(34K)

subscription

Core 1&2 V15 220-1201/220-1202

Realistic CompTIA A+ practice testsStudy by topic with detailed explanationsAI-powered study assistant

Prepare for your CompTIA A+ certification with realistic practice exams and AI-powered study tools. Master IT fundamentals, including hardware, networking, operating systems, and security, with detailed explanations and progress tracking.

(4.6K)

Learn computer fundamentals

Computer networking basicsHardware and software fundamentalsShortcut keys and tips

Learn essential computer knowledge, from hardware and software to networking and troubleshooting. This app offers a comprehensive, easy-to-understand guide for beginners and intermediate users to master basic computer skills and internet navigation.