# SeedAuth vs HD

SeedAuth and HD are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

SeedAuth ships an update every 3 weeks, HD every 2 weeks. The most recent releases landed on September 16, 2026 and May 16, 2026 respectively.

## The numbers

| Metric | SeedAuth | HD |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Size | 62 MB | 46 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Jaeyong Han](https://appshunter.io/developer/1301424090) | [HD Korea Shipbuilding & Offshore Engineering Co., Ltd.](https://appshunter.io/developer/1098104557) |

## What reviewers say

### SeedAuth

[App page](https://appshunter.io/ios/app/seedauth/id1437961547)

**Features:** macOS Compatibility

**In-app purchases:** none


### HD

[App page](https://appshunter.io/ios/app/hd-emocean/id6756709995)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SeedAuth free?

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

### Is HD free?

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

### Do SeedAuth or HD have ads?

Neither SeedAuth nor HD shows ads.

### Which is updated more often, SeedAuth or HD?

SeedAuth ships an update every 3 weeks, and HD every 2 weeks. Most recently, SeedAuth was updated on September 16, 2026 and HD on May 16, 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.*