# 가스앱 vs 서일석유

The clearest difference is update cadence: 가스앱 at every 3 weeks against 서일석유's every 3 months. 가스앱 also leads on device support. 서일석유's advantage is iOS requirement (12.0 vs 15.6). 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.

가스앱 ships an update every 3 weeks, 서일석유 every 3 months. The most recent releases landed on November 6, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | 가스앱 | 서일석유 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (775 ratings)](https://appshunter.io/ios/app/id741949011/reviews)** | — |
| Number of ratings | **775** | — |
| Positive reviews | 84.4% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | — |
| Update frequency | **Every 3 weeks** | Every 3 months |
| Monetization | Free with in-app purchases | — |
| Size | 150 MB | 4 MB |
| Requires iOS | 15.6 | **12.0** |
| Devices | **iPhone, iPad, iPod** | — |
| Age rating | 4+ | 4+ |
| Developer | [SCG Lab](https://appshunter.io/developer/920706027) | [Seoil oil Corp.](https://appshunter.io/developer/1704274404) |

## What reviewers say

### 가스앱

[App page](https://appshunter.io/ios/app/id741949011)

Manage your city gas services, check bills, and make payments all in one place. Earn cash rewards for various activities, which can be used to discount your gas bills or withdrawn. The app also offers real-time electricity bill checks and allows for easy booking of service appointments.

**Highlights:** Bill inquiry and payment, Cash rewards and discounts, Real-time electricity bill check, Mobile self-meter reading, Non-face-to-face service booking, 24-hour consultation chat, Boiler purchase and AI recommendation

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

**In-app purchases:** none


### 서일석유

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

**In-app purchases:** none


## Frequently asked questions

### Is 가스앱 free?

가스앱 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, 가스앱 or 서일석유?

가스앱 ships an update every 3 weeks, and 서일석유 every 3 months. Most recently, 가스앱 was updated on November 6, 2026 and 서일석유 on November 3, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*