# Bisdom Rotterdam vs ExploreCatholic

The clearest difference is update cadence: ExploreCatholic at daily against Bisdom Rotterdam's every 2 months. ExploreCatholic also leads on iOS requirement (13.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Bisdom Rotterdam ships an update every 2 months, ExploreCatholic daily. The most recent releases landed on September 17, 2026 and August 9, 2026 respectively.

## The numbers

| Metric | Bisdom Rotterdam | ExploreCatholic |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Daily** |
| Size | 55 MB | 21 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Bisdom Rotterdam](https://appshunter.io/developer/1593173578) | [Bisdom Haarlem-Amsterdam](https://appshunter.io/developer/1789140062) |

## What reviewers say

### Bisdom Rotterdam

[App page](https://appshunter.io/ios/app/bisdom-rotterdam/id1593173576)

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

**In-app purchases:** none


### ExploreCatholic

[App page](https://appshunter.io/ios/app/explorecatholic/id6740243310)

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

**In-app purchases:** none


## Frequently asked questions

### Is Bisdom Rotterdam free?

Bisdom Rotterdam is free to download, with no in-app purchases.

### Is ExploreCatholic free?

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

### Do Bisdom Rotterdam or ExploreCatholic have ads?

Neither Bisdom Rotterdam nor ExploreCatholic shows ads.

### Which is updated more often, Bisdom Rotterdam or ExploreCatholic?

Bisdom Rotterdam ships an update every 2 months, and ExploreCatholic daily. Most recently, Bisdom Rotterdam was updated on September 17, 2026 and ExploreCatholic on August 9, 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.*