Ask Pastor John is an iPhone application developed by Desiring God. This free app allows users to access daily audio clips of John Piper answering tough theological and pastoral questions. With a simple and intuitive interface, Ask Pastor John provides a convenient way to listen to insightful and thought-provoking answers to a wide range of topics.

The app features a vast library of audio clips, covering various subjects related to Christian theology and pastoral ministry. Users can easily browse through the collection and select the topics that interest them the most. Additionally, Ask Pastor John allows users to submit their own questions via email to providing an opportunity for a direct interaction with John Piper.

Overall, Ask Pastor John is a valuable resource for individuals seeking biblical guidance and answers to their theological and pastoral questions. With its user-friendly interface and a wealth of audio content, this app is a must-have for those looking to deepen their understanding of Christian faith and practice.