# HD vs K

The clearest difference is review sentiment: K at 14% against HD's 0%. HD's advantage is device support (3 vs 1) and iOS requirement (7.0 vs 18.6). On price, update cadence, ads and in-app purchases there is nothing between them.

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

HD ships an update every 5 months, K every 2 months. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | HD | K |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.6 (5 ratings)](https://appshunter.io/ios/app/k-app/id1472380768/reviews)** |
| Number of ratings | — | **5** |
| Positive reviews | 0.0% of reviews | **14.3% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 31 MB | 74 MB |
| Requires iOS | **7.0** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Videcon](https://appshunter.io/developer/432327836) | [FDI Matelec](https://appshunter.io/developer/1173507412) |

## What reviewers say

### HD

[App page](https://appshunter.io/ios/app/hd-ip-lite/id863897834)

This application allows remote viewing of security camera feeds from a specific brand of DVR. It provides access to live footage for monitoring purposes.

**Highlights:** Remote viewing, Connects to Concept Pro VHDIPL, Live footage access, Security monitoring

**Features:** macOS Compatibility

**In-app purchases:** none


### K

[App page](https://appshunter.io/ios/app/k-app/id1472380768)

This application provides a secure and convenient way to access your building using your smartphone. It offers hands-free entry and allows you to manage multiple access credentials for residents, visitors, or staff.

**Highlights:** Bluetooth access control, Hands-free entry, Manage visitor credentials, View door permissions, Long-range access mode

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

**In-app purchases:** none


## Frequently asked questions

### Is HD free?

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

### Is K free?

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

### Do HD or K have ads?

Neither HD nor K shows ads.

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

HD ships an update every 5 months, and K every 2 months. Most recently, HD was updated on November 1, 2026 and K on November 3, 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.*