# Catho Rouen vs Tradiz

The clearest difference is in-app purchases: Catho Rouen at none against Tradiz's 6. Catho Rouen also leads on ads (none vs shown) and iOS requirement (12.0 vs 15.1). Tradiz's advantage is update cadence (monthly vs every 5 months). On price and device support there is nothing between them.

Both are free to download. Tradiz sells 6 in-app purchases, starting at $1.99 per month. Catho Rouen asks for nothing beyond the download.

Catho Rouen ships an update every 5 months, Tradiz monthly. The most recent releases landed on September 18, 2026 and September 6, 2026 respectively.

## The numbers

| Metric | Catho Rouen | Tradiz |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 44.4% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 5 months | **Monthly** |
| Monetization | — | Free with in-app purchases |
| Size | 58 MB | 140 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Geoffroy De La Tousche](https://appshunter.io/developer/1490439995) | [Baudouin Mesmin des Vaux](https://appshunter.io/developer/1676741155) |

## What reviewers say

### Catho Rouen

[App page](https://appshunter.io/ios/app/catho-rouen/id1490440476)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


### Tradiz

[App page](https://appshunter.io/ios/app/tradiz/id6446217986)

This app helps users find Tridentine Masses nearby or at a specific location, and offers a rosary recitation feature with daily mysteries. It also provides parish news and links to spiritual resources.

**Highlights:** Find Tridentine Masses, Locate Masses by area, Recite the rosary, Daily mysteries included, Parish news updates, Spiritual resource links

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Soutien mensuel de 2€ | $1.99 | per month |
| Soutien mensuel de 5€ | $3.99 | per month |
| Soutien unique de 2€ | $1.99 | one-time |
| Soutien unique de 5€ | $3.99 | one-time |
| Soutien unique de 10€ | $8.99 | one-time |
| Soutien unique de 15€ | $12.99 | one-time |


## Frequently asked questions

### Is Catho Rouen free?

Catho Rouen is free to download, with no in-app purchases.

### Is Tradiz free?

Tradiz is free to download, with in-app purchases available.

### Do Catho Rouen or Tradiz have ads?

Tradiz shows ads; Catho Rouen does not.

### Which is updated more often, Catho Rouen or Tradiz?

Catho Rouen ships an update every 5 months, and Tradiz monthly. Most recently, Catho Rouen was updated on September 18, 2026 and Tradiz on September 6, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*