Data Leek is an iPhone app developed by Devrush, available for free in the Utilities & Tools category. This application offers users the ability to check if their emails or passwords have been compromised in any data breaches on the internet. It also provides a feature to enable notifications for staying informed about any potential breaches.

With Data Leek, users can easily verify if their email addresses or passwords have been part of any security breaches. The app includes a dark mode for comfortable usage in low-light environments, offline access, and support for iPad. Additionally, it offers multiple language options such as French, Russian, and German for a personalized experience.