احزان قلبي لا تزول is a free lifestyle app for Android developed by vardex. The app aims to provide comfort and support for those who are experiencing sadness and grief. It features a collection of quotes and sayings about sadness from different sources, including Islamic scholars and famous personalities.

The app is easy to use, with a simple interface that allows users to browse through the quotes and share them with their friends and family. It also includes a search function that enables users to find specific quotes or keywords related to their current emotional state. The app does not collect any personal information from users, ensuring their privacy and security.

Overall, احزان قلبي لا تزول is a helpful app for those who are going through a difficult time. It provides users with words of wisdom and encouragement to help them cope with their sadness and find hope for a brighter future.