Introibo: TLM App

Introibo: TLM App

Latin Mass Prayer Companion

61 ratings
23 reviews
Free

Details

Released
May 12, 2026
Updated
October 15, 2026

Features

Introibo: TLM App screenshot #1 for iPhone
Introibo: TLM App screenshot #2 for iPhone
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Introibo: TLM App screenshot #9 for iPhone
Introibo: TLM App screenshot #10 for iPhone
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About

This prayer companion is designed for the traditional Catholic life, offering full support for various Roman Missal and Roman Breviary rubrics. It provides daily prayers, liturgical calendar information, and fasting/abstinence guidelines, all available offline and without subscriptions or tracking.

✓Traditional Roman Missal and Breviary support
✓Daily feast, proper of the Mass, and Divine Office
✓Liturgical calendar with feast details
✓Fasting and abstinence guidelines
✓Offline access
✓Multiple rubric sets (1962, 1955, pre-1955)
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What's New in Introibo

1.2.5

October 15, 2026

Introibo fully in Spanish! Version 1.2.5 translates everything from the missal to individual prayers into Spanish.

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User reviews

Beautiful

Genuinely well made. I was pleasantly surprised with how cohesively and intuitively the app functions.

One of the Best

This app has been an amazing companion for my daily prayer life. I get the office, mass ordinary and propers, the holy rosary, and various prayer all in my pocket. While I prefer reading with books this app supplements those times when I’m unable do you errands or work. My hopes in the future for the app would be to have propers, office, and etc pick up where you left off. There have been times I’ve been praying matins and had to leave to come back and it starts over and I forget my place. Please note though that even if such a feature never happens I’m still hugely grateful for everything as it is now. May God continue to bless your endeavors and keep you safe!
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Fr.

INTROIBO is perfect - well, nearly perfect (for all my needs). When INTROIBO includes a Latin/SPANISH language option, it will have attained ultimate perfection. In all seriousness, this is a magnificent and most helpful App meant to help every devout soul; for the traveling priest, it is especially beneficial. I thank God for this gift.
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No Latin-Spanish

So many updates and none for a upcomming Latin - Spanish speaking

UX isn’t as good as could be

Font size too small for some elements. Doesn’t change between dark and light theme with the system. Doesn’t allow texts to be copied. App still seems to be slow and sluggish sometimes.

FAQ

What rubrics does Introibo support?

Introibo offers full support for the 1962, 1955, and pre-1955 rubrics of the Roman Missal and Roman Breviary, allowing users to choose their preferred tradition.

Does Introibo have ads?

No, Introibo is completely ad-free, ensuring an uninterrupted prayer experience.

Can I use Introibo offline?

Yes, Introibo is designed for offline use, meaning you can access all its features without an internet connection.

What information is available on the Hodie screen?

The Hodie screen displays today's feast, the proper of the Mass, the Divine Office, fasting and abstinence obligations, the daily psalm, and the seasonal Marian antiphon, all based on the traditional calendar.

How does Introibo handle fasting and abstinence?

Introibo provides three penance disciplines: 1962 norms, 1917 Code of Canon Law, and stricter pre-Pius XII observance, clearly outlining obligations and restrictions.

What devices is Introibo available on?

Introibo is available for iPhone and iPad devices.

How often is Introibo updated?

The app was last updated on June 10, 2026, indicating a commitment to ongoing maintenance and improvements.

Does Introibo require an account or track users?

No, Introibo does not require an account and explicitly states that it does not track users, prioritizing privacy.