A Catholic Bible app where the whole canon is included.

Most Bible apps treat the deuterocanonical books as an add-on. You'll find them, if you find them, at the end — after Revelation, in a section marked "Apocrypha", with the reading tools half-working.

That's a formatting decision that quietly makes a theological argument. BibleKey doesn't make it. In the Catholic editions the deuterocanon sits where the Catholic canon puts it: Tobit and Judith after Nehemiah, Wisdom and Sirach among the wisdom books, Baruch with the prophets, the Maccabees closing the Old Testament.

What's included

• New Living Translation Catholic Edition — readable modern English, the translation most people reach for when they want to actually understand a sentence.
• Douay-Rheims — the historic English Catholic Bible, translated from the Vulgate.
• The full deuterocanon — Tobit, Judith, Wisdom, Sirach, Baruch, 1 and 2 Maccabees, and the Greek additions to Esther and Daniel.
• Five more translations alongside them — BSB, KJV, NIV, NLT and NKJV — so you can compare a verse across traditions in one tap.

And every tool works in them

This is the part that usually breaks. In a lot of apps the deuterocanonical books are text and nothing else: no cross-references, no notes, no audio.

In BibleKey, tapping a verse in Sirach does what tapping a verse in Isaiah does. You get its meaning, the background, the Hebrew or Greek behind the words, and where it connects across the rest of Scripture. Wisdom 3 is treated as seriously as Psalm 3.

Which Catholic translation should you read?

If you're reading to understand, start with the NLT Catholic Edition. It's a thought-for-thought translation, which means it will occasionally make an interpretive call for you — but it will almost never leave you re-reading a sentence three times.

If you want the older, more formal English — the one behind centuries of Catholic devotional writing — read the Douay-Rheims. It's closer to the Latin, and it sounds like it.

The practical answer is both. Read the NLT-CE to follow the story, and switch to the Douay-Rheims when a verse matters enough to slow down on.