# HC Key — HC Key

> Smartphone-based digital key for accessing protected locations. (iPhone/iPad app by Joshua Hartmann.)

- Source: https://appshunter.io/ios/app/hc-key/id1559953335 (this page in markdown: same URL + `.md`)
- Developer: [Joshua Hartmann](https://appshunter.io/developer/1470461774)
- Category: Productivity, Utilities
- Price: Free
- Rating: 4.60/5 from 70 App Store ratings · 1 written reviews indexed
- Age rating: 4+
- Requires: iOS 13.4 · 29 MB
- Languages: American English
- Released: 2021-05-15
- Data updated: 2026-08-26
- Monetization: ad-supported
- User reviews in markdown: https://appshunter.io/ios/app/hc-key/id1559953335/reviews.md

## What is HC Key?

HC Key opens all the doors to your favourite places! Hartmann’s HC Key application eliminates the need to carry physical credentials and allows you to unlock doors swiftly and with ease, using your smartphone.

KEY FEATURES
- HC Key offers an easy to use and interactive interface that makes unlocking doors effortless. 
- User registration on the HC Key application is easy and takes only seconds.
- Replace traditional credentials by using your smartphone. 
- Grant temporary access to visitors for a predetermined time frame and amount of uses.
- Visitors are not required to have the HC Key application installed to use their visitor credentials.

VISITOR ACCESS
HC Key allows you to create, customize, and grant visitor access credentials directly in the application. Determine the time frame and amount of use for the credential then share this with the visitor. Visitors are not required to have the HC Key application installed to use their credentials. Administrators have the ability to allow or deny users from granting visitors access as well as revoking a visitor pass after it is issued.

HOW IT WORKS
- HC Key only works with the PROTECTOR.Net software system. 
- Registration requires users to request credentials from their system administrator. 

If you’re interested in using HC Key in your company please visit www.hartmann-controls.com to learn more about our access control system.

## Key features

- Unlock doors with smartphone
- Replace physical credentials
- Easy user registration
- Grant temporary visitor access
- Customize visitor access duration
- Visitor access without app installation

## Recent user reviews (1 of 1)

All indexed reviews: https://appshunter.io/ios/app/hc-key/id1559953335/reviews.md

### 5/5 — best

*2025-04-03*

best

## Frequently asked questions about HC Key

### How do I get started with HC Key?

To use HC Key, you need to request credentials from your system administrator. The app works exclusively with the PROTECTOR.Net software system. Registration is quick and takes only seconds.

### Can I grant temporary access to visitors with HC Key?

Yes, HC Key allows you to create and customize visitor access credentials. You can set a predetermined time frame and amount of uses for each visitor pass.

### Do visitors need to install HC Key to use their access credentials?

No, visitors are not required to have the HC Key application installed on their devices to use the visitor credentials you provide them.

### What devices is HC Key compatible with?

HC Key is available for iPhone, iPad, and iPod devices, making it accessible to a wide range of Apple users.

### How often is HC Key updated?

The latest version of HC Key is 1.0.26, and it was last updated on December 15, 2025. This indicates regular updates to improve functionality and security.

### Does HC Key have ads?

Yes, HC Key contains advertisements. Users should be aware of the presence of ads within the application.

### What is the user rating for HC Key?

HC Key has a strong user rating of 4.6 stars based on 70 ratings, suggesting that most users find the app to be effective and reliable.

### Can administrators revoke visitor access in HC Key?

Yes, administrators have the ability to revoke a visitor pass after it has been issued. They can also allow or deny users from granting visitor access.

## Version history (last 5 releases)

### 1.0.26 — 2025-12-15

Bug Fixes

### 1.0.18 — 2024-05-07

Fixed - Keyboard hiding on Manual Config
Other fixes

### 1.0.16 — 2023-04-19

Ability to paste enrollment link in the App to register
Cloud Deployment Registration Issues and other issues fixed

### 1.0.15 — 2022-12-24

Crash Fix on visitor pass date time picker

### 1.0.14 — 2022-12-20

Bug Fixes and UI Changes

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## More apps by Joshua Hartmann

- [HC Admin](https://appshunter.io/ios/app/hc-admin/id1470461775)

All apps by Joshua Hartmann: https://appshunter.io/developer/1470461774

## Related topics

[septa key](https://appshunter.io/ios/topics/septa-key) · [opendoor key](https://appshunter.io/ios/topics/opendoor-key)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-26.*