# HC Key vs Within The Hour

The clearest difference is rating: Within The Hour at 5.0 against HC Key's 4.4. Within The Hour also leads on ads (none vs shown) and update cadence (every 2 weeks vs every 5 months). HC Key's advantage is ratings volume (119 vs 1) and iOS requirement (13.4 vs 16.0). On price, 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.

Within The Hour holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: HC Key has 119 ratings behind it against 1, so its average is the more settled of the two.

HC Key ships an update every 5 months, Within The Hour every 2 weeks. The most recent releases landed on October 24, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | HC Key | Within The Hour |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (119 ratings)](https://appshunter.io/ios/app/hc-key/id1559953335/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/within-the-hour/id6752543523/reviews)** |
| Number of ratings | **119** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 5 months | **Every 2 weeks** |
| Monetization | Ad-supported | **Free** |
| Size | 29 MB | 16 MB |
| Requires iOS | **13.4** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Hartmann Controls Corp](https://appshunter.io/developer/1470461774) | [Within The Hour](https://appshunter.io/developer/1839782838) |

## What reviewers say

### HC Key

[App page](https://appshunter.io/ios/app/hc-key/id1559953335)

This app allows you to use your smartphone to unlock doors, eliminating the need for physical credentials. It offers an easy-to-use interface for swift access and enables temporary access for visitors.

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

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


### Within The Hour

[App page](https://appshunter.io/ios/app/within-the-hour/id6752543523)

This app connects patients with last-minute appointment openings from their healthcare providers. Users can join a clinic's waitlist and receive instant notifications for available slots, helping to book appointments faster and reduce wait times.

**Highlights:** Join clinic waitlists, Instant appointment notifications, Faster booking, Reduced waiting times, Simple setup code

**In-app purchases:** none


## Frequently asked questions

### Is HC Key free?

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

### Is Within The Hour free?

Within The Hour is free to download, with no in-app purchases.

### Which has better reviews, HC Key or Within The Hour?

Within The Hour is rated higher. HC Key averages 4.4 out of 5 from 119 ratings, while Within The Hour averages 5.0 from 1 ratings.

### Do HC Key or Within The Hour have ads?

HC Key shows ads; Within The Hour does not.

### Which is updated more often, HC Key or Within The Hour?

HC Key ships an update every 5 months, and Within The Hour every 2 weeks. Most recently, HC Key was updated on October 24, 2026 and Within The Hour on October 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.*