Understanding Christianity
Like Duolingo, but for Understanding Christianity. Tomo turns the whole topic into a game you play five minutes a day, until it actually sticks.
For the part of you with thirty open tabs that never became anything.
Free during early access · No credit card · iPhone & Android

Key ideas in Understanding Christianity
- Standing as a sign of respect
- Services move from reflection to the Word
- Postures involve the body in spiritual experience
- Service culminates in a meal or response
- The purpose of physical postures
- The emotional and narrative rhythm of a traditional liturgy
- The focal point of the room indicates the primary 'event' of the service
- Liturgical services rely on set, historical structures and shared recitations
- Architectural choices reflect what the community values most
- Contemporary services often prioritize modern music and a more informal flow
- How church architecture signals theological priorities
- Distinguishing between liturgical and contemporary service styles
- Visitors are generally welcome to observe quietly without participating in rituals
- Liturgy is the formal name for the structure of a service
- Specific rituals like Communion may have specific guidelines for who can participate
- It implies that worship is a collective activity rather than a solo performance
You've tried the other tabs
Thirty open tabs. Four facts you actually kept.
You watched. You nodded. By Sunday it was gone.
One answer, then back to scrolling.
Eight weeks. You meant to finish. You didn't.
Tomo gives Understanding Christianity the Duolingo treatment: levels, streaks, and quick quizzes that test what you just learned. That game loop is what the tabs above never had, so it's the one you actually finish.
Here's what playing it feels like
A real question from this course. Take your best guess.
In a traditional service, what usually happens before the congregation hears the main sermon?
Get it right to open this lesson and 87 more in the app.
Where Understanding Christianity takes you
Discover the world's largest faith by exploring its daily practices, core stories, and the big questions it tries to answer. Learn how to navigate a church service and understand the symbols you see every day.
- 1
Stepping Inside a Church
- What to Expect on a Sunday
- Decoding Symbols and Stained Glass
- The Meaning of Bread and Wine
- Common Prayers and Songs
- 2
Living the Christian Life
- The Golden Rule in Practice
- How Christians Pray
- Celebrating Christmas and Easter
- The Role of Community and Charity
- Forgiveness and Starting Over
- Finding Meaning in Suffering
- 3
The Big Story of the Bible
- Who is Jesus?
- Famous Parables and Their Lessons
- The Old and New Testaments
- 4
Navigating Different Traditions
- Catholic, Orthodox, and Protestant
- Why Are There So Many Denominations?
- Global Styles of Worship
- The Role of Leaders and Pastors
- Modern Movements and Megachurches
- 5
The Deep Roots and Big Ideas
- The Concept of the Trinity
- Grace vs. Works
- How the Early Church Began
- Faith and Science
5 sections · 22 units · 88 levels. Built to play, not to enroll.
You pick the voice
Understanding Christianity is taught in the The Professor style: clear, structured, thorough. Want a different feel? In the app you can spin up the same topic in any of Tomo's teaching styles. Same facts, totally different vibe.
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Start Understanding Christianity today.
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