# 아파트아이 vs KeyPlus2

The clearest difference is review sentiment: 아파트아이 at 73% against KeyPlus2's 0%. 아파트아이 also leads on update cadence (fortnightly vs monthly). KeyPlus2's advantage is ads (none vs shown) and monetization model (free vs ad-supported). On price, 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.

아파트아이 ships an update fortnightly, KeyPlus2 monthly. The most recent releases landed on September 22, 2026 and June 10, 2026 respectively.

## The numbers

| Metric | 아파트아이 | KeyPlus2 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.0 (13 ratings)](https://appshunter.io/ios/app/1/id1457413104/reviews)** | — |
| Number of ratings | **13** | — |
| Positive reviews | **72.9% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Fortnightly** | Monthly |
| Monetization | Ad-supported | **Free** |
| Size | 204 MB | 114 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [APT.i Co.,Ltd.](https://appshunter.io/developer/1649709209) | [Special One Co., Ltd.](https://appshunter.io/developer/1521605263) |

## What reviewers say

### 아파트아이

[App page](https://appshunter.io/ios/app/1/id1457413104)

Manage apartment living with ease. Quickly check and pay building fees, earn rewards, and access community services. Stay informed about building news and participate in resident decisions.

**Highlights:** Fast bill checking and payment, Mobile payment options, Reward points for fees, Resident community features, Real estate transaction information, Visitor and delivery management, Digital voting for residents

**Features:** Vision Pro support

**In-app purchases:** none


### KeyPlus2

[App page](https://appshunter.io/ios/app/keyplus2-digital-key/id1583539390)

Easily control and share car doors using just your phone. Transform your vehicle into a smart car with this application.

**Highlights:** Digital car door control, Share car access remotely, Transform car into smart car, One phone control, Special life experience

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 아파트아이 free?

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

### Is KeyPlus2 free?

KeyPlus2 is free to download, with no in-app purchases.

### Do 아파트아이 or KeyPlus2 have ads?

아파트아이 shows ads; KeyPlus2 does not.

### Which is updated more often, 아파트아이 or KeyPlus2?

아파트아이 ships an update fortnightly, and KeyPlus2 monthly. Most recently, 아파트아이 was updated on September 22, 2026 and KeyPlus2 on June 10, 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.*