# HDI Authenticator vs HD

The clearest difference is update cadence: HD at fortnightly against HDI Authenticator'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.

HDI Authenticator ships an update every 4 months, HD fortnightly. The most recent releases landed on September 25, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | HDI Authenticator | HD |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 7.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Fortnightly** |
| Monetization | — | Free |
| Size | 22 MB | 49 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [KOREAEXPERT](https://appshunter.io/developer/1161606505) | [HD Korea Shipbuilding & Offshore Engineering Co., Ltd.](https://appshunter.io/developer/1098104557) |

## What reviewers say

### HDI Authenticator

[App page](https://appshunter.io/ios/app/hdi-authenticator/id1642884813)

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

**In-app purchases:** none


### HD

[App page](https://appshunter.io/ios/app/hd-mocean/id6476169622)

This app serves as a unified launcher for HD Hyundai applications and websites, allowing users to access them all from one place. It offers features like bookmarking frequently used apps and receiving important notifications.

**Highlights:** Unified app and website access, Bookmark favorite apps, Receive alarm messages, App management features, Centralized notification system

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

**In-app purchases:** none


## Frequently asked questions

### Is HDI Authenticator free?

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

### Is HD free?

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

### Do HDI Authenticator or HD have ads?

Neither HDI Authenticator nor HD shows ads.

### Which is updated more often, HDI Authenticator or HD?

HDI Authenticator ships an update every 4 months, and HD fortnightly. Most recently, HDI Authenticator was updated on September 25, 2026 and HD on September 13, 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.*