How verse anchoring works
Each commentary is split into passages, and every passage is attached to the range of verses it discusses. When you open Romans 8:28 you see Matthew Henry’s comments on verses 26–28, the notes from Jamieson-Fausset-Brown, Barnes and Calvin on verse 28, and any introductions to the chapter or the book — grouped by commentary, each with its author and source.
You never leave the text to hunt through another book. Swipe up from a verse and the commentaries are there; close them and you are back where you were reading.
The text, as the authors wrote it
The commentaries are reproduced verbatim from public-domain editions prepared by the Christian Classics Ethereal Library and the CrossWire Bible Society. Nothing is summarised or rewritten. Where Calvin’s text was incomplete in one edition, missing chapters were filled from another public-domain source, and the source is recorded.
Read them as voices, not verdicts
These are historic works, written between the sixteenth and nineteenth centuries from within the Protestant tradition. They are rich, and they are sometimes dated. Rightly shows them beside the text so you can weigh them against it — which is the point of studying the Bible yourself. To go beneath the English, tap a word for its Greek or Hebrew.
Coming later
Your own library: import the PDFs and ebooks you own and keep them anchored to the text in the same way. That is not in the first release; we will say when it arrives.