WordsTool is described as 'A tool to teach and learn vocabulary. WordsTool allows you to create custom word cards with example sentences, definitions, synonyms, antonyms, translations, pronunciations and images and receive ready exercises based on the cards' and is an app in the Education & Reference category. There are seven alternatives to WordsTool for a variety of platforms, including Android, iPhone, iPad, Online / Web-based and Android Tablet. The best alternative is Anki, which is both free and Open Source. Other great apps like WordsTool are Memrise (Freemium), AnkiDroid (Free, Open Source), Quizlet (Freemium) and Vocabulary.com (Freemium).
Anki is a program which makes remembering things easy. Because it is a lot more efficient than traditional study methods, you can either greatly decrease your time spent studying, or greatly increase the amount you learn.
Have fun while learning a foreign language with Memrise. The more you enjoy learning, the more (and quicker) your skills will develop. This is why entertainment mixed with real-life, relevant content is at the very core of the Memrise language learning experience.
Vocabulary.com is the easiest, most intelligent way to improve your vocabulary. It combines an adaptive learning system (The Challenge) with the world’s fastest dictionary (The Dictionary) so that you can more quickly and more efficiently learn words.