# JJLIN toolbox vs K

The clearest difference is in-app purchases: JJLIN toolbox at none against K's 5. JJLIN toolbox also leads on iOS requirement (9.0 vs 15.6). K's advantage is update cadence (daily vs every 2 months). On price, ads and device support there is nothing between them.

Both are free to download. K sells 5 one-off in-app purchases. JJLIN toolbox asks for nothing beyond the download.

JJLIN toolbox ships an update every 2 months, K daily. The most recent releases landed on October 9, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | JJLIN toolbox | K |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/jjlin-toolbox/id1481924765/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 37.5% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Daily** |
| Monetization | Free | — |
| Size | 69 MB | 63 MB |
| Requires iOS | **9.0** | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Shanghai Orota Tech Co., Ltd.](https://appshunter.io/developer/1448096234) | [K Culture Lab Co., Ltd.](https://appshunter.io/developer/1737743347) |

## What reviewers say

### JJLIN toolbox

[App page](https://appshunter.io/ios/app/jjlin-toolbox/id1481924765)

This app offers fans direct access to exclusive content and updates from a popular male singer. Stay connected with the artist through real-time news, a detailed event calendar, and photo albums of memorable moments.

**Highlights:** Exclusive artist updates, Real-time news, Official event calendar, Photo and video galleries, Direct fan interaction

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

**In-app purchases:** none


### K

[App page](https://appshunter.io/ios/app/k-pick/id6479977725)

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 10 Dia | $0.99 | one-time |
| 30 Dia | $2.99 | one-time |
| 50 Dia | $4.99 | one-time |
| 100 Dia | $9.99 | one-time |
| 500 Dia | $49.99 | one-time |


## Frequently asked questions

### Is JJLIN toolbox free?

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

### Is K free?

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

### Do JJLIN toolbox or K have ads?

Neither JJLIN toolbox nor K shows ads.

### Which is updated more often, JJLIN toolbox or K?

JJLIN toolbox ships an update every 2 months, and K daily. Most recently, JJLIN toolbox was updated on October 9, 2026 and K on October 11, 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.*