# K vs 模玩库

The clearest difference is in-app purchases: 模玩库 at none against K's 1. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. K sells 1 in-app purchase, starting at $1.99 per year. 模玩库 asks for nothing beyond the download.

K ships an update weekly, 模玩库 every 4 days. The most recent releases landed on October 15, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | K | 模玩库 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Weekly | **Every 4 days** |
| Size | 19 MB | 47 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Kitta Co.](https://appshunter.io/developer/1896674871) | [莉 王](https://appshunter.io/developer/1689102487) |

## What reviewers say

### K

[App page](https://appshunter.io/ios/app/k-card-reader/id6770570934)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Mode | $1.99 | per year |


### 模玩库

[App page](https://appshunter.io/ios/app/id6781107340)

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

**In-app purchases:** none


## Frequently asked questions

### Is K free?

K is free to download, with in-app purchases available.

### Is 模玩库 free?

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

### Do K or 模玩库 have ads?

Neither K nor 模玩库 shows ads.

### Which is updated more often, K or 模玩库?

K ships an update weekly, and 模玩库 every 4 days. Most recently, K was updated on October 15, 2026 and 模玩库 on October 1, 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.*