# Duke Catholic vs Krypto!

The clearest difference is update cadence: Krypto! at every 8 days against Duke Catholic's every 2 months. Duke Catholic's advantage is iOS requirement (13.4 vs 17.0). On price, rating, review sentiment and ratings volume there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for Duke Catholic against 5.0 for Krypto!. Both are backed by a comparable volume of ratings — 3 and 5 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Duke Catholic ships an update every 2 months, Krypto! every 8 days. The most recent releases landed on October 24, 2026 and October 23, 2026 respectively.

## The numbers

| Metric | Duke Catholic | Krypto! |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (3 ratings)](https://appshunter.io/ios/app/duke-catholic/id1247596492/reviews) | [5.0 (5 ratings)](https://appshunter.io/ios/app/krypto-math-card-game/id6794679898/reviews) |
| Number of ratings | 3 | **5** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 8 days** |
| Monetization | Free | Free |
| Size | 46 MB | 17 MB |
| Requires iOS | **13.4** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Diocese of Raleigh](https://appshunter.io/developer/1478441087) | [Edwin Ma](https://appshunter.io/developer/1876696217) |

## What reviewers say

### Duke Catholic

[App page](https://appshunter.io/ios/app/duke-catholic/id1247596492)

This app provides resources for Catholic students to deepen their faith and connect with their community. Access Mass, prayer, and service opportunities, and stay informed about campus events through push notifications.

**Highlights:** Mass and prayer resources, Small group guide, Service opportunities, Event updates, Push notifications

**In-app purchases:** none


### Krypto!

[App page](https://appshunter.io/ios/app/krypto-math-card-game/id6794679898)

A card game where players use arithmetic operations to combine five cards and reach a target number. It offers both solo challenges with progress tracking and real-time multiplayer matches.

**Highlights:** Combine five cards with arithmetic operations, Reach a target number, Solo mode with puzzle tracking, Live multiplayer challenges, Hint system for assistance, Undo functionality

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

**In-app purchases:** none


## Frequently asked questions

### Is Duke Catholic free?

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

### Is Krypto! free?

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

### Which has better reviews, Duke Catholic or Krypto!?

Duke Catholic and Krypto! are both rated 5.0 out of 5 on the App Store, from 3 and 5 ratings respectively.

### Do Duke Catholic or Krypto! have ads?

Neither Duke Catholic nor Krypto! shows ads.

### Which is updated more often, Duke Catholic or Krypto!?

Duke Catholic ships an update every 2 months, and Krypto! every 8 days. Most recently, Duke Catholic was updated on October 24, 2026 and Krypto! on October 23, 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.*