# Card Slots vs Circrix

The clearest difference is update cadence: Card Slots at every 2 days against Circrix's every 5 days. Card Slots also leads on iOS requirement (15.0 vs 18.1). 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.

Card Slots ships an update every 2 days, Circrix every 5 days. Both last shipped on October 3, 2026.

## The numbers

| Metric | Card Slots | Circrix |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | **Every 2 days** | Every 5 days |
| Size | 231 MB | 6 MB |
| Requires iOS | **15.0** | 18.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Cigdem Baran](https://appshunter.io/developer/1795423825) | [Onur BENLI](https://appshunter.io/developer/1893551487) |

## What reviewers say

### Card Slots

[App page](https://appshunter.io/ios/app/card-slots/id6757999544)

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

**In-app purchases:** none


### Circrix

[App page](https://appshunter.io/ios/app/circrix-logic-puzzle/id6762252289)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Card Slots free?

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

### Is Circrix free?

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

### Do Card Slots or Circrix have ads?

Both Card Slots and Circrix show ads.

### Which is updated more often, Card Slots or Circrix?

Card Slots ships an update every 2 days, and Circrix every 5 days. Most recently, Card Slots was updated on October 3, 2026 and Circrix on October 3, 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.*