# 올수 vs 버스플로우 BusFlow

The clearest difference is update cadence: 버스플로우 BusFlow at weekly against 올수's every 10 months. 올수's advantage is iOS requirement (12 vs 15.0). 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.

올수 ships an update every 10 months, 버스플로우 BusFlow weekly. Both last shipped on October 14, 2026.

## The numbers

| Metric | 올수 | 버스플로우 BusFlow |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 months | **Weekly** |
| Size | 11 MB | 39 MB |
| Requires iOS | **12** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Allsu](https://appshunter.io/developer/1617799618) | [세븐스타모빌리티](https://appshunter.io/developer/1890932177) |

## What reviewers say

### 올수

[App page](https://appshunter.io/ios/app/id1617799616)

**Features:** macOS Compatibility

**In-app purchases:** none


### 버스플로우 BusFlow

[App page](https://appshunter.io/ios/app/busflow/id6781978010)

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

**In-app purchases:** none


## Frequently asked questions

### Is 올수 free?

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

### Is 버스플로우 BusFlow free?

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

### Do 올수 or 버스플로우 BusFlow have ads?

Neither 올수 nor 버스플로우 BusFlow shows ads.

### Which is updated more often, 올수 or 버스플로우 BusFlow?

올수 ships an update every 10 months, and 버스플로우 BusFlow weekly. Most recently, 올수 was updated on October 14, 2026 and 버스플로우 BusFlow on October 14, 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.*