Protestant.si
From Luther to your local church — know why you're Protestant
Read Luther, Calvin, and Wesley in guided plans, master the Five Solas, and finally understand what separates Lutheran from Reformed from Methodist. Serious theological depth for the whole Reformation family, from new believers to seminary students.
No card required · $9/mo Plus · $99/mo Premium
What you get
Everything Protestant.si gives you
Five Solas Deep-Dive
Sola Scriptura, Fide, Gratia, Solus Christus, Soli Deo Gloria — the heart of Protestant theology, made clear.
Reformation Library
Luther, Calvin, Wesley, Edwards, and Spurgeon in accessible guided readings from the original texts.
Denomination Comparator
Lutheran vs. Reformed vs. Methodist vs. Anglican — beliefs, worship, and governance compared side by side.
Scripture Study Suite
Historical-grammatical interpretation tools that put Sola Scriptura into real practice, passage by passage.
Confessions & Catechisms
Westminster, Augsburg, Heidelberg, and Thirty-Nine Articles explained question by question.
Protestant Spirituality
Recover the Puritan devotional tradition, Reformer prayers, and the great hymn heritage.
Pricing
Simple plans that grow with you
Plus
$9/mo
- ✓Unlimited theology conversations
- ✓Full Reformer text library with reading plans
- ✓Complete confessions and catechisms with commentary
Premium
$99/mo
- ✓Seminary-level systematic theology tracks
- ✓Small-group and sermon preparation tools
- ✓Personalized denominational discernment guidance
- ✓Apologetics coaching for tough questions