WRTS is an Android app developed by De Digitale School in the Education & Reference category. It is designed to help students learn vocabulary for any subject, anywhere, and at any time. The app matches the user's teaching method by providing words and glossaries from their textbooks. It is also possible to create custom lists of words.

The app offers six different ways to test oneself, including dictation, hints, and writing, and words can be pronounced in 14 different languages. The app is suitable for all levels of education, from primary and secondary education to higher education, and it is also used by people learning new languages or following courses. The app is free to use.