# 三井 3C 會員 vs STAR KTV

The clearest difference is update cadence: 三井 3C 會員 at every 2 months against STAR KTV's every 13 months. 三井 3C 會員 also leads on iOS requirement (12.1 vs 15.1). 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.

三井 3C 會員 ships an update every 2 months, STAR KTV every 13 months. The most recent releases landed on September 8, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | 三井 3C 會員 | STAR KTV |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 13 months |
| Size | 26 MB | 40 MB |
| Requires iOS | **12.1** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [San Jing Information Co., Ltd.](https://appshunter.io/developer/1322879007) | [E-CARDS APP](https://appshunter.io/developer/1689164931) |

## What reviewers say

### 三井 3C 會員

[App page](https://appshunter.io/ios/app/3c/id1629794085)

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

**In-app purchases:** none


### STAR KTV

[App page](https://appshunter.io/ios/app/star-ktv/id6499262800)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 三井 3C 會員 free?

三井 3C 會員 is free to download, with no in-app purchases.

### Is STAR KTV free?

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

### Do 三井 3C 會員 or STAR KTV have ads?

Neither 三井 3C 會員 nor STAR KTV shows ads.

### Which is updated more often, 三井 3C 會員 or STAR KTV?

三井 3C 會員 ships an update every 2 months, and STAR KTV every 13 months. Most recently, 三井 3C 會員 was updated on September 8, 2026 and STAR KTV on September 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.*