# 스카이블루 Skyblue vs SMART HUD

The clearest difference is update cadence: 스카이블루 Skyblue at monthly against SMART HUD's every 4 months. SMART HUD's advantage is iOS requirement (13.0 vs 15.1). 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.

스카이블루 Skyblue ships an update monthly, SMART HUD every 4 months. The most recent releases landed on October 16, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | 스카이블루 Skyblue | SMART HUD |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 4 months |
| Size | 114 MB | 4 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Gridwiz Inc.](https://appshunter.io/developer/1459831330) | [RoadPia Co., Ltd.](https://appshunter.io/developer/366252913) |

## What reviewers say

### 스카이블루 Skyblue

[App page](https://appshunter.io/ios/app/skyblue/id1530116611)

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

**In-app purchases:** none


### SMART HUD

[App page](https://appshunter.io/ios/app/smart-hud/id1603048002)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 스카이블루 Skyblue free?

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

### Is SMART HUD free?

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

### Do 스카이블루 Skyblue or SMART HUD have ads?

Neither 스카이블루 Skyblue nor SMART HUD shows ads.

### Which is updated more often, 스카이블루 Skyblue or SMART HUD?

스카이블루 Skyblue ships an update monthly, and SMART HUD every 4 months. Most recently, 스카이블루 Skyblue was updated on October 16, 2026 and SMART HUD on October 25, 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.*