Heidelberg Catechism Is Live on Google Play - Learn, Memorize, and Grow in Faith

Heidelberg Catechism Is Live on Google Play

We are excited to announce Heidelberg Catechism - Learn, Memorize and Grow in Faith (v1.0) is now officially available on Google Play in two versions:

Free version (with ads) https://play.google.com/store/apps/details?id=com.qzlcorp.heidelbergcatechism

Paid version (ad-free) https://play.google.com/store/apps/details?id=com.qzl.heidelbergcatechism

Whether you are a new believer, a seminary student, or a lifelong Reformed Christian, this app helps you engage deeply with the rich theology of the Heidelberg Catechism anytime, anywhere.

Trailer Video

What Is Included in v1.0?

Browse all 129 questions and answers organized by Lord's Days (1-52)

Catalogue view for exploring topics and doctrinal structure

Quiz mode with self-assessment and score tracking

AI Tutor with answers grounded in the catechism, powered by Google AI

Text-to-Speech for listening to questions and answers

Study progress tracking with studied and missed-question review

Question of the Day for daily consistency

Bilingual support in English and Chinese (中文)

A clean, focused interface designed for learning and reflection

Free vs Paid

Free Version (With Ads)

Full Heidelberg Catechism learning features

Supported by ads

Great for getting started

Paid Version (Ad-Free)

No ads

Cleaner, distraction-free study experience

Best for daily memorization, classes, and long study sessions

If you want the most focused experience for catechism study, the paid version is recommended.

Download on Google Play

Free (with ads): https://play.google.com/store/apps/details?id=com.qzlcorp.heidelbergcatechism

Paid (ad-free): https://play.google.com/store/apps/details?id=com.qzl.heidelbergcatechism

Start learning the Heidelberg Catechism today, one Lord's Day and one question at a time.