# Card.Zip vs CodeStudy

The clearest difference is update cadence: CodeStudy at every 6 days against Card.Zip's every 6 weeks. Card.Zip's advantage is iOS requirement (16.0 vs 18.0). 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.

Card.Zip ships an update every 6 weeks, CodeStudy every 6 days. The most recent releases landed on September 10, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | Card.Zip | CodeStudy |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 6 days** |
| Size | 15 MB | 4 MB |
| Requires iOS | **16.0** | 18.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [TaeYoon Kim](https://appshunter.io/developer/1711313154) | [ByeongYun In](https://appshunter.io/developer/1632990861) |

## What reviewers say

### Card.Zip

[App page](https://appshunter.io/ios/app/cardzip/id6469782765)

**Features:** macOS Compatibility

**In-app purchases:** none


### CodeStudy

[App page](https://appshunter.io/ios/app/codestudy-ai-coding-tutor/id6762127373)

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

**In-app purchases:** none


## Frequently asked questions

### Is Card.Zip free?

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

### Is CodeStudy free?

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

### Do Card.Zip or CodeStudy have ads?

Neither Card.Zip nor CodeStudy shows ads.

### Which is updated more often, Card.Zip or CodeStudy?

Card.Zip ships an update every 6 weeks, and CodeStudy every 6 days. Most recently, Card.Zip was updated on September 10, 2026 and CodeStudy on September 9, 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.*