# RK Delft vs ExploreCatholic

The clearest difference is update cadence: ExploreCatholic at daily against RK Delft's every 3 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.

RK Delft ships an update every 3 months, ExploreCatholic daily. The most recent releases landed on September 30, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | RK Delft | ExploreCatholic |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Daily** |
| Size | 55 MB | 21 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Parochie Sint Ursula](https://appshunter.io/developer/1740484975) | [Bisdom Haarlem-Amsterdam](https://appshunter.io/developer/1789140062) |

## What reviewers say

### RK Delft

[App page](https://appshunter.io/ios/app/rk-delft/id6484162462)

**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 RK Delft free?

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

### Is ExploreCatholic free?

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

### Do RK Delft or ExploreCatholic have ads?

Neither RK Delft nor ExploreCatholic shows ads.

### Which is updated more often, RK Delft or ExploreCatholic?

RK Delft ships an update every 3 months, and ExploreCatholic daily. Most recently, RK Delft was updated on September 30, 2026 and ExploreCatholic on September 27, 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.*