What Is Divinum Officium? (And a Mobile 1962 Alternative)

Divinum Officium is the best-known place on the internet to pray the traditional Latin Divine Office — the Breviary — and to follow the traditional Mass of the day. It is a free, open-source project that reconstructs the Office and the Mass for any date, in Latin with an English translation alongside. For anyone who loves the old liturgy, it has been, for years, the reference. Here is what it is, what it does well, and where a tool built for the pocket — Iter Fidei — picks up where it leaves off.

What Divinum Officium is

Divinum Officium ("the Divine Office") generates, for any day you choose, the full traditional Roman liturgy: Matins, Lauds, Prime, Terce, Sext, None, Vespers, and Compline — the hours of the Breviary — together with the Mass. You can choose the rubrics of different years (from 1570 through 1960), so it serves not only the 1962 books but the older forms as well. Latin and the vernacular sit side by side. It is the fruit of real labour and devotion, given to the Church for free, and it deserves the gratitude of everyone attached to the traditional rite.

What it does well

• It is free and open-source — a genuine gift, maintained by volunteers.
• It is comprehensive — the whole Office and the Mass, with several sets of rubrics.
• It is accurate — built carefully from the traditional books.

For someone at a desk who knows their way around the liturgy, it is a remarkable resource.

Where it falls short

Divinum Officium was built as a faithful liturgical engine, not as a place that is easy or pleasant to pray from — and that shows.

• It is a website, made for the desktop. On a phone — where most people actually pray — it is cramped and awkward.
• The interface is dense and dated: walls of text, small links, options that assume you already know the rubrics.
• There is no audio, nothing to help you chant or follow along.
• It needs a connection — there is no real "in your pocket, offline" use.
• For a newcomer, it is steep: it answers "what is the Office for today" but not "how do I actually pray this".

These are not faults of devotion; they are the limits of a desktop tool from another era of the web.

Iter Fidei: the same tradition, built for the pocket

Iter Fidei is a mobile app that serves the same traditional treasury — the Divine Office, the Mass of the day, the prayers and litanies — but built, from the first line, for prayer on a phone:

• 1962, the traditional books — the rite as it stood before the later reforms.
• In your pocket — a real iOS and Android app, not a website squeezed onto a small screen.
• Latin and your own language, side by side, laid out to be read and prayed, not decoded.
• Audio to chant and pray along.
• Offline — it goes with you to the chapel, the train, the sickbed.
• Made to be prayed, not only consulted: the day's Office and Mass, the rosary, the litanies, the prayers — each one ready to use.

	Divinum Officium	Iter Fidei
Platform	Website (desktop-first)	Mobile app, in your pocket
Rubrics	1570–1960	1962 (traditional)
Latin + vernacular	Yes (text)	Yes, laid out to pray
Audio	No	Yes
Offline	No	Yes
Built for	Consulting the liturgy	Praying it

Which should you use?

If you want a free desktop engine that can render the Office under several sets of rubrics, Divinum Officium remains a fine and generous tool — and we are glad it exists. If you want the traditional 1962 Office and Mass in your pocket — clear, bilingual, with audio, ready wherever you are — that is exactly what we built Iter Fidei to be.

(Iter Fidei carries the traditional Divine Office, the Mass of every day, and the prayers of the Church — in Latin and your own language, with audio — on your phone. Download it here.)

Sources. The traditional Roman Breviary and Missal (1962); the Divine Office as traditionally prayed.