# 더컵 vs KeyPlus3

The clearest difference is update cadence: KeyPlus3 at every 2 weeks against 더컵's every 3 months. KeyPlus3 also leads on iOS requirement (15.0 vs 18). 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.

더컵 ships an update every 3 months, KeyPlus3 every 2 weeks. The most recent releases landed on November 3, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | 더컵 | KeyPlus3 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/id1525649358/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 weeks** |
| Size | 35 MB | 32 MB |
| Requires iOS | 18 | **15.0** |
| Devices | iPhone, Apple Watch | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [CARBERSHOP Co., Ltd.](https://appshunter.io/developer/1446389516) | [Special One Co., Ltd.](https://appshunter.io/developer/1521605263) |

## What reviewers say

### 더컵

[App page](https://appshunter.io/ios/app/id1525649358)

**Features:** macOS Compatibility

**In-app purchases:** none


### KeyPlus3

[App page](https://appshunter.io/ios/app/keyplus3-digital-key/id6747149011)

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

**In-app purchases:** none


## Frequently asked questions

### Is 더컵 free?

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

### Is KeyPlus3 free?

KeyPlus3 is free to download, with no in-app purchases.

### Do 더컵 or KeyPlus3 have ads?

Neither 더컵 nor KeyPlus3 shows ads.

### Which is updated more often, 더컵 or KeyPlus3?

더컵 ships an update every 3 months, and KeyPlus3 every 2 weeks. Most recently, 더컵 was updated on November 3, 2026 and KeyPlus3 on November 5, 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.*