Learn English on LuvLingua

LuvLingua is a language learning app that uses an interface that is more geared towards a younger audience. It's focused on vocabulary learning and listening skills. The basic app is free but the more advanced ones are paid.
Price: Free
Devices: Android, iPad, iPhone, and Web

Learn English on HelloTalk

HelloTalk is a language learning app that allows users to communicate with others in different languages. It has both a free and premium version, and offers a variety of features to help users learn new languages.
Price: Free
Devices: Android, 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