# cardinal. vs Devil's Blackjack

The clearest difference is in-app purchases: cardinal. at none against Devil's Blackjack's 1. cardinal. also leads on iOS requirement (11.0 vs 14.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Devil's Blackjack sells 1 one-off in-app purchase. cardinal. asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 3 days. The most recent releases landed on September 30, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | cardinal. | Devil's Blackjack |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (14 ratings)](https://appshunter.io/ios/app/cardinal/id1589334930/reviews)** | — |
| Number of ratings | **14** | — |
| Positive reviews | 80.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 days | Every 3 days |
| Monetization | Free | — |
| Size | 99 MB | 157 MB |
| Requires iOS | **11.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Perfect Hat Games LLC](https://appshunter.io/developer/1124547329) | [Matthias Isenmann](https://appshunter.io/developer/6773349432) |

## What reviewers say

### cardinal.

[App page](https://appshunter.io/ios/app/cardinal/id1589334930)

Engage in a minimalistic logic puzzle game where you deduce a secret solution using sixteen cards and clues. Enjoy procedurally generated boards for endless play and compete globally in daily challenges.

**Highlights:** Minimalistic logic puzzles, Deduce secret solutions, Procedurally generated boards, Endless regular mode, Daily global competitions, 16 logic cards

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

**In-app purchases:** none


### Devil's Blackjack

[App page](https://appshunter.io/ios/app/devils-blackjack/id6773350036)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Full Game | $2.99 | one-time |


## Frequently asked questions

### Is cardinal. free?

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

### Is Devil's Blackjack free?

Devil's Blackjack is free to download, with in-app purchases available.

### Do cardinal. or Devil's Blackjack have ads?

Neither cardinal. nor Devil's Blackjack shows ads.

### Which is updated more often, cardinal. or Devil's Blackjack?

cardinal. ships an update every 3 days, and Devil's Blackjack every 3 days. Most recently, cardinal. was updated on September 30, 2026 and Devil's Blackjack on September 8, 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.*