Doctrinal Warrior: LDS Tools is an iPhone application developed by KED LLC, available for free in the Education & Reference category. This app offers a unique way to study by book or doctrinal topic, allowing users to compete with themselves or friends to enhance their understanding of the doctrine of The Church of Jesus Christ of Latter-day Saints.

Perfect for Seminary students, parents, and teachers, Doctrinal Warrior provides an engaging platform to pair with Gospel Living. It offers a fresh and enjoyable approach for children and youth to study and memorize the doctrine of Jesus Christ. Although not officially sponsored by The Church of Jesus Christ of Latter-day Saints, the app aims to help users deepen their conversion, fulfill priesthood duties, and participate in the work of salvation, among other key objectives.