Prayerbook for Catholics vs Light Signals
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Prayerbook for Catholics
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A Catholic prayerbook for the moments you want to pause and pray. Prayerbook brings familiar prayers, the Rosary, and daily Mass readings together on iPhone and iPad. A prayerbook made for reading Inspired by a printed missal, the new design pairs warm paper tones with clear serif typography and quiet red accents. Browse simple prayer lists and adjust the prayer text size to suit you. On iPad, comfortable reading columns give the words room to breathe. Keep your prayers close Search by title or by words within a prayer. Save favorites and return to recently opened prayers through your history. Listen and pray along Play available prayer recordings and download them for offline listening. Control playback through Now Playing or CarPlay. Pray the Rosary Follow the mysteries with prayers and meditations, open the daily Rosary, and choose your mystery for the Living Rosary. Read the Pope’s monthly intention. Make time for the Word Read the daily Mass readings in a clear, focused view. Prayer through the day Use Home Screen widgets, Siri, and Shortcuts to return to prayer. An Apple Watch companion keeps your prayers within reach. Available in English and Polish. Made by an independent developer for everyday Catholic prayer.
Light Signals
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This app lets you talk to the people around you with Morse code flashed from your device's flashlight. Alongside a set of ready-made example phrases, you can register words of your own. In the settings menu, you can adjust the brightness of the flashlight.
Screenshots
Verdict
The clearest difference is ads: Prayerbook for Catholics at none against Light Signals's shown. Prayerbook for Catholics also leads on device support (4 vs 2). Light Signals's advantage is update cadence (weekly vs every 2 months). On price, in-app purchases and iOS requirement there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Prayerbook for Catholics ships an update every 2 months, Light Signals weekly. The most recent releases landed on October 3, 2026 and October 6, 2026 respectively.
| Parameter | Prayerbook for Catholics | Light Signals |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 months | Weekly — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Devices | iPhone, iPad, Apple Watch, Vision Pro — better | iPhone, iPad |
| Requires iOS | 27.0 | 26.1 — better |
| Further details — not scored | ||
| Size | 119 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | Mateusz Zajac | MIZOU, CO., LTD. |
In-app purchases
Prayerbook for Catholics
No in-app purchases
Light Signals
No in-app purchases
Questions
Is Prayerbook for Catholics free?
Is Light Signals free?
Do Prayerbook for Catholics or Light Signals have ads?
Which is updated more often, Prayerbook for Catholics or Light Signals?
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