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Best K-12 Online Courses Apps

209+ iOS apps curated and reviewed

4.4 avg rating
20 free apps
Updated June 2026

The best k-12 online courses apps on iPhone average 4.4★ across 209+ titles — we've ranked them by what real users actually keep on their phones. Updated June 2026.

Top Picks for K-12 Online Courses

Stepik: best online courses#1

Stepik: best online courses by Iuliia Tikhokhod

Learn online!
Editor's Choice
📚 Education
4.9😊(759 ratings)
FreeAdsIn-App Purchases
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"Explore a diverse range of online courses featuring video lectures and practical assignments from top educational institutions and companies with the Stepik app. Download course content for offline viewing and enhance your knowledge in various disciplines - from Computer Science to Languages. Start learning now!"

What We Love

  • 👍 Convenient and user-friendly
  • 💡 Variety of interesting courses
  • 🚀 Efficient learning platform
  • 🙏 Helpful and supportive developers

Room to Improve

  • 🐛 Frequent crashes and stability issues
  • 🔌 Problems with video playback and loading
  • 🔄 App freezes when rotating the screen
Acellus#2

Acellus by GoldKey Security Corporation

Online Learning System
Strong Contender
📚 Education
4.5😊(32K ratings)
Free
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An online learning system providing self-paced learning, live monitoring, and automatic record-keeping for over a million students across the U.S. Dynamic and interactive, it offers personalized instruction and course updates based on research-driven data to meet individual student needs. Experience a comprehensive curriculum tailored to every student's learning journey.

What We Love

  • 👍 Easy to navigate classes
  • 👍 Engaging and interactive lessons
  • 👍 Flexible and self-paced learning
  • 👍 Helpful and fun teachers

Room to Improve

  • 🐛 Occasional crashes and freezes
  • 🐛 Incorrect answers marked as wrong
  • 🐛 Lessons not always aligned with assessments
edX online learning#3

edX online learning by edX LLC

Career skills + certificates
Worth Considering
📚 Education
4.8😊(11K ratings)
FreeIn-App Purchases
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Access an extensive range of online courses from top universities worldwide. Enroll in courses spanning various subjects and levels to enhance your skills and knowledge. Start learning today for free!

What We Love

  • 👍 Easy to use
  • 🚀 Convenient learning on the go
  • 💡 Wide variety of courses
  • 🌟 High-quality content from renowned institutions

Room to Improve

  • 🐛 Buggy app performance
  • 🔍 Lack of progress tracking
  • 📱 Limited functionality compared to website

More K-12 Online Courses apps to explore

4
The Great Courses
The Great Courses
The Great Courses
Educational Videos & Content
Free

Access an extensive library of educational videos covering a wide range of subjects to enhance your knowledge and skills. Start learning today with high-quality content from experts in various fields.

📚 Education
(17K)
5
Domestika - Online courses
Domestika - Online courses
Domestika - Online courses
Create, share, and learn
Free

Join a vibrant creative community of 8 million members and access professionally produced online courses by experts in various creative fields. Explore diverse categories, watch high-quality videos offline, engage with the community, and track your learning progress with Domestika.

📚 Education
(12K)
6
Udemy Online Video Courses
Udemy Online Video Courses
Udemy Online Video Courses
Learn Coding, Python & More
Free

Access a comprehensive online platform offering a wide range of video courses to learn coding, Python, and more. Enhance your skills and expertise at your own pace with high-quality instructional videos and interactive learning resources. Start your learning journey today!

📚 Education
(77K)
7
Teachable online courses
Teachable online courses
Teachable online courses
Learn Anywhere, Anytime
Free

Learn anywhere, anytime with an iOS app that lets you access Teachable-powered courses on the go. Seamlessly sync your progress between devices for uninterrupted learning. Join over 7 million students and start mastering new skills today.

📚 Education
(9.3K)
8
OpenClassrooms: Online courses
OpenClassrooms: Online courses
OpenClassrooms: Online courses
350 available courses
Free

Access a vast library of online courses available 24/7, covering topics such as marketing, data, business, and development, and learn at your own pace with expert-made content. Download courses for offline access and start achieving your professional goals today!

📚 Education
(168)
9
Outschool
Outschool
Outschool
Live online classes
Free

Outschool offers over 140K live online classes for kids to learn on their terms. The app provides reminder notifications, teacher communication, and easy access to Zoom. For more features, visit the website and stay tuned for updates.

📚 Education
(105)
10
Study.com
Study.com
Study.com
Online Courses & Homework Help
Free

Access a diverse range of online courses covering various subjects and levels of difficulty, conveniently learn at your own pace with interactive lessons and assessments. Start expanding your knowledge today with our user-friendly platform.

📚 Education
(3.7K)
11
BBC Maestro: Online Courses
BBC Maestro: Online Courses
BBC Maestro: Online Courses
Over 1,000+ Digestible Lessons
Free

Access a world-class online learning platform with over 1000 video lessons from top experts in various fields. From writing to cooking, filmmaking to wellness, BBC Maestro offers on-demand courses for flexible learning anytime, anywhere. Elevate your skills and knowledge with exclusive lessons from renowned personalities like Brian Cox, Marco Pierre White, and more. Start your learning journey today!

📚 Education
(873)
12
Khan Academy
Khan Academy
Khan Academy
You can learn anything
Free

Learn anything, for free, with thousands of interactive exercises and videos covering math, science, economics, and more. Practice exercises with instant feedback, download content for offline learning, and track your progress seamlessly across devices. Join Khan Academy for a personalized, mastery-based learning experience.

📚 Education
(103K)
13
ClassIn
ClassIn
ClassIn
Empower Education Online
Free

Discover a cutting-edge teaching platform revolutionizing education with a focus on lifelong learning. Enjoy a seamless experience for online and offline classes, collaborative learning tools, and personalized learning pathways at www.classin.com.

📚 Education
(1K)
14
McGraw Hill K-12 Portal
McGraw Hill K-12 Portal
McGraw Hill K-12 Portal
by McGraw-Hill School Education Group
Free

The app allows students to access McGraw Hill courses, eBooks, and resources on-the-go. Users can easily navigate eBooks, access interactive resources, and utilize tools like notes and bookmarks. Enjoy offline access and seamless syncing when reconnected to the internet.

📚 Education
(620)
15
MedMasters
MedMasters
MedMasters
Best medical courses
Free

Explore a diverse range of Iraqi medical courses at your own pace with this platform. Join a community of learners and educators to share knowledge and expertise through creating and accessing courses. Start learning and teaching today!

📚 Education
(422)
16
Prometheus - Online Courses
Prometheus - Online Courses
Prometheus - Online Courses
by Prometheus NGO
Free

Access a vast library of online courses from top teachers on a leading educational platform, covering topics such as business, IT, and personal development. Register now and start learning for free, with the option to download a mobile application and earn valuable certificates to boost your resume.

📚 Education
(14)
17
Udemy Business
Udemy Business
Udemy Business
Learn at work
Free

Access a comprehensive collection of 11,000 top-rated courses spanning various subjects with the Udemy Business app. Stream videos, access course materials, take quizzes, and learn at your own pace with this mobile learning platform.

💼 Business
(6K)
18
Ecourses Online
Ecourses Online
Ecourses Online
EcoursesOnline Educational app
Free

This educational app offers a comprehensive platform for online learning, providing access to various courses, classes, quizzes, assignments, and more. Download the app to explore a wide range of educational content and enhance your learning experience.

📚 Education
(5)
19
Duolingo: Language Lessons
Duolingo: Language Lessons
Duolingo: Language Lessons
Learn Spanish, Math & more
Free

Learn languages, math, and music with this top education app, offering bite-sized lessons for 40 languages. Join millions of learners worldwide to improve your skills in a fun and effective way. Get started now and explore a world of knowledge!

📚 Education
(5.2M)
20
Think Academy Student
Think Academy Student
Think Academy Student
Live Online Classes Platform
Free

An online platform offering expert live classes for students worldwide, with top teachers from prestigious universities providing high-quality content in an engaging environment. Enjoy interactive challenges, peer learning, and various learning tools for a flexible and rewarding learning experience.

📚 Education
(278)

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