Arabic Locker is a free flashcard and quiz app designed to help beginners and enthusiasts learn and practice nearly 4,000 basic and commonly used words and phrases in the Arabic language. The app is based on the Modern Standard Arabic (MSA) literary standard, which is widely used across the Middle East and North Africa, and is one of the official six languages of the United Nations.

The app features six levels of segmentation, with the word list gradually increasing in difficulty as the user gains familiarity with the existing characters. The learning process is supported through informative flashcards, and word recognition is reinforced through repeated exposure and testing. Arabic Locker is an excellent personal trainer for those looking to learn the Arabic language at their own pace.