YDS Kelime Havuzu is a free Android app developed by Usable Apps under the Education & Reference category. It offers Turkish and English learners a comprehensive vocabulary with thousands of words along with their types and pronunciations. The app enables users to add new words, which will be reviewed and added to the database.

The app is designed to help users prepare for exams by providing them with a variety of words and their pronunciations. It also allows users to send their comments and suggestions about the app through comments or email. However, it is important to note that the app's pronunciation feature will not work if your device does not have TTS (Text To Speech) support for English pronunciation.

Overall, YDS Kelime Havuzu is a useful app for Turkish and English learners who want to expand their vocabulary and improve their language skills.