# 서울버스 vs One 버스

The clearest difference is update cadence: One 버스 at monthly against 서울버스's every 4 months. 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.

서울버스 ships an update every 4 months, One 버스 monthly. The most recent releases landed on September 15, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | 서울버스 | One 버스 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 4 months | **Monthly** |
| Size | 19 MB | 76 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Dokon Jang](https://appshunter.io/developer/1400654634) | [Jeongwook Lee](https://appshunter.io/developer/1669951610) |

## What reviewers say

### 서울버스

[App page](https://appshunter.io/ios/app/id1402365577)

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

**In-app purchases:** none


### One 버스

[App page](https://appshunter.io/ios/app/one/id6448973717)

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

**In-app purchases:** none


## Frequently asked questions

### Is 서울버스 free?

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

### Is One 버스 free?

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

### Do 서울버스 or One 버스 have ads?

Both 서울버스 and One 버스 show ads.

### Which is updated more often, 서울버스 or One 버스?

서울버스 ships an update every 4 months, and One 버스 monthly. Most recently, 서울버스 was updated on September 15, 2026 and One 버스 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.*