Learn English on Quizlet

Quizlet is a good way to learn new vocabulary words, review for a test, or prepare for a presentation. With their modern and innovative learning tools, you can customize your studying experience to focus on the topics that are most important to you. Quizlet makes it easy to practice with friends and family, so you can make the most of your study time.
Price: Free
Devices: Android, iPad, iPhone, and Web

Learn English on Ling

Ling's app has features that make learning fun and easy. Whether you're a beginner or an experienced speaker, Ling has something for everyone. You learn at your own pace with tons of lessons, vocabulary lists, and quizzes. You can even practice your conversation skills with their chatbot.
Price: Free
Devices: Android, iPad, iPhone, and Web

Learn English on Bravolol

Bravolol is a series of apps like "Learn French", "Learn Japanese", or "Learn Italian" that offer a basic language learning experience.
Price: depends
Devices: Android, iPad, and iPhone

Learn English on Udemy

You can use Udemy to learn a new language. Courses such as "Learn Dutch Beginner" and "French Language Learning: Language and Culture for Absolute Beginners," will help kickstart you in those two languages.
Price: Free
Devices: Web