# cardinal. vs Perfect Block Fit

The clearest difference is ads: cardinal. at none against Perfect Block Fit's shown. cardinal. also leads on ratings volume (14 vs 1) and monetization model (free vs ad-supported). On price, rating, update cadence and in-app purchases 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 — 4.9 for cardinal. against 5.0 for Perfect Block Fit. That said, the two scores are not equally well evidenced: cardinal. has 14 ratings behind it against 1, so its average is the more settled of the two.

cardinal. ships an update every 3 days, Perfect Block Fit every 2 days. Both last shipped on October 24, 2026.

## The numbers

| Metric | cardinal. | Perfect Block Fit |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.9 (14 ratings)](https://appshunter.io/ios/app/cardinal/id1589334930/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/perfect-block-fit/id6791156592/reviews)** |
| Number of ratings | **14** | 1 |
| Positive reviews | 80.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 3 days | **Every 2 days** |
| Monetization | **Free** | Ad-supported |
| Size | 99 MB | 12 MB |
| Requires iOS | **11.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Perfect Hat Games LLC](https://appshunter.io/developer/1124547329) | [Arima Jain](https://appshunter.io/developer/1679158070) |

## 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


### Perfect Block Fit

[App page](https://appshunter.io/ios/app/perfect-block-fit/id6791156592)

A relaxing block puzzle game where you drag and place uniquely shaped blocks to perfectly fill empty spaces. With 100 handcrafted levels and no timers, it offers a satisfying brain teaser for all ages.

**Highlights:** 100 handcrafted puzzle levels, Drag-and-drop controls, No time limits, Unique block shapes, Offline play, Progressive difficulty

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

**In-app purchases:** none


## Frequently asked questions

### Is cardinal. free?

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

### Is Perfect Block Fit free?

Perfect Block Fit is free to download, with no in-app purchases.

### Which has better reviews, cardinal. or Perfect Block Fit?

Perfect Block Fit is rated higher. cardinal. averages 4.9 out of 5 from 14 ratings, while Perfect Block Fit averages 5.0 from 1 ratings.

### Do cardinal. or Perfect Block Fit have ads?

Perfect Block Fit shows ads; cardinal. does not.

### Which is updated more often, cardinal. or Perfect Block Fit?

cardinal. ships an update every 3 days, and Perfect Block Fit every 2 days. Most recently, cardinal. was updated on October 24, 2026 and Perfect Block Fit on October 24, 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.*