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Reasonable Faith
“The most rigorous apologetics on your phone: debates, scholarship, and free guided courses from a working philosopher.”
Reasonable Faith is the flagship of Dr. William Lane Craig's ministry, and for anyone who wants to engage the hardest questions about God's existence, the resurrection, and the coherence of the Christian worldview at a genuinely scholarly level, it is close to indispensable. The app gathers his celebrated debates, the long-running Question of the Week, articles that range from popular to peer-review adjacent, and the entire Defenders class in both audio and video. Layered on top are the free Equip courses, structured, guided training in Craig's apologetics and theology that would cost real money almost anywhere else.
The strength here is depth and credibility. Craig is a working philosopher with two doctorates, and the material reflects it: careful arguments, honest engagement with the best skeptical objections, and a calm, gracious tone throughout. That same seriousness is also the app's main limitation. This is not the place a brand-new believer should start, because much of the content assumes patience with philosophy and a willingness to sit with difficult ideas. The app functions as a well-stocked content portal rather than a polished, guided experience, and a few features, notably the Question of the Week, have drawn reports of occasional connectivity quirks.
For the right person, though, the value is remarkable. Everything of substance is free, spans several languages, and represents decades of careful work from one of the most respected defenders of the faith alive today. If you are ready to move past introductory material and want to be able to give a rigorous, well-reasoned account of what you believe, Reasonable Faith belongs on your device, ideally alongside a gentler on-ramp for the topics that are new to you.
Is it right for you?
Serious students, skeptics, and thoughtful believers ready to engage the hardest questions with rigorous, philosophy-grade argumentation.
You are brand new to the faith and want short, gentle, plainly written answers rather than demanding scholarly material.
What’s inside
How it compares
Best in row
Common questions
It is the ministry of Dr. William Lane Craig, a philosopher and theologian known worldwide for his debates and scholarship.
Yes. All of the content, including the Equip training courses, is free, supported by donations to the nonprofit.
It can be demanding. The material is rewarding but assumes patience with philosophy, so pair it with a gentler introduction if you are new.
Free, structured video courses that guide you step by step through Craig's apologetics and theology.
The app offers content in English, Spanish, Portuguese, French, and Simplified Chinese.
