Az Bilinen Kelimeler is a free Android app developed by Murat Öksüzer. This app allows users to view the words of the day shared on the social media pages "Günün Kelimesi" (@eskidekiyeni) in bulk. The app is categorized under Education & Reference and is focused on increasing awareness and appreciation of words.

The app provides users with a platform to view and learn new words on a daily basis. Through the app, users can easily access the daily words shared on social media without the need to scroll through numerous posts. Az Bilinen Kelimeler is a useful tool for those interested in expanding their vocabulary and enhancing their language skills.