# 아파트아이 vs 서일석유

The clearest difference is update cadence: 아파트아이 at fortnightly against 서일석유's every 3 months. 아파트아이 also leads on device support. 서일석유's advantage is iOS requirement (12.0 vs 15.0). On price and in-app purchases 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, 서일석유 every 3 months. The most recent releases landed on September 27, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | 아파트아이 | 서일석유 |
| --- | --- | --- |
| 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 | — |
| In-app purchases | No | No |
| Ads | Yes | — |
| Update frequency | **Fortnightly** | Every 3 months |
| Monetization | Ad-supported | — |
| Size | 204 MB | 4 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | **iPhone, iPod** | — |
| Age rating | 4+ | 4+ |
| Developer | [APT.i Co.,Ltd.](https://appshunter.io/developer/1649709209) | [Seoil oil Corp.](https://appshunter.io/developer/1704274404) |

## 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


### 서일석유

[App page](https://appshunter.io/ios/app/id6463375430)

**In-app purchases:** none


## Frequently asked questions

### Is 아파트아이 free?

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

### Is 서일석유 free?

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

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

아파트아이 ships an update fortnightly, and 서일석유 every 3 months. Most recently, 아파트아이 was updated on September 27, 2026 and 서일석유 on September 23, 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.*