VOX PETRI

Explore the Papal Encyclicals

About

Vox Petri brings 145 years of papal encyclicals to your fingertips. Read the complete texts of over 220 encyclicals from Leo XIII (1878) through Leo XIV (2026), explore thematic connections across centuries of Church teaching, and visualize the web of citations linking documents together.

Features

Full-text reader with paragraph-level bookmarks and reading progress
20 thematic threads tracing ideas like Human Dignity, Social Justice, Faith & Reason, and AI & Ethics across the tradition
Interactive connection graph showing how encyclicals cite and build on each other
Full-text search across the entire corpus
Reading progress tracking across multiple encyclicals

Support

For questions, feedback, or bug reports, please contact us at consulting@cascadius.xyz.

Privacy Policy

Vox Petri does not collect, store, or transmit any personal data. All reading progress and bookmarks are stored locally on your device. The app does not use analytics, tracking, advertising, or any third-party services that collect user data.

The app does not require an account or login. No information is shared with any third party. The encyclical texts are bundled within the app and are read offline.

If you have questions about this privacy policy, contact us at consulting@cascadius.xyz.