# Ghost Music Box vs Cobra Access Control

The clearest difference is rating: Cobra Access Control at 5.0 against Ghost Music Box's 3.8. Cobra Access Control also leads on in-app purchases (none vs 3) and update cadence (every 2 months vs every 5 months). Ghost Music Box's advantage is ratings volume (13 vs 1). On price and ads there is nothing between them.

Both are free to download. Ghost Music Box sells 3 in-app purchases, starting at $1.99 per month. Cobra Access Control asks for nothing beyond the download.

Cobra Access Control holds the better App Store score, 5.0 against 3.8. That said, the two scores are not equally well evidenced: Ghost Music Box has 13 ratings behind it against 1, so its average is the more settled of the two.

Ghost Music Box ships an update every 5 months, Cobra Access Control every 2 months. The most recent releases landed on November 4, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Ghost Music Box | Cobra Access Control |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.8 (13 ratings)](https://appshunter.io/ios/app/ghost-music-box/id6474482056/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/cobra-access-control/id6747736560/reviews)** |
| Number of ratings | **13** | 1 |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 2 months** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 51 MB | 33 MB |
| Requires iOS | 18.0 | **15.1** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Michael Weber](https://appshunter.io/developer/349078052) | [Stenology LLC](https://appshunter.io/developer/1822691581) |

## What reviewers say

### Ghost Music Box

[App page](https://appshunter.io/ios/app/ghost-music-box/id6474482056)

This app acts as a paranormal proximity detection device, using various sensors like EMF, Lidar, and SLS cameras to identify potential signs of paranormal activity. It provides auditory and visual alerts when subtle environmental changes are detected, aiding in paranormal investigation for entertainment purposes.

**Highlights:** Paranormal proximity detection, EMF meter, Lidar laser grid scanner, SLS camera with AI vision, Geoscope for vibrations, Barometer for pressure changes, High frequency audio detector

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Access (Cancel Anytime) | $1.99 | per month |
| Full Access (Cancel Anytime) | $3.99 | per year |
| Lifetime Full Access | $4.99 | one-time |


### Cobra Access Control

[App page](https://appshunter.io/ios/app/cobra-access-control/id6747736560)

Manage and monitor access to your authorized locations from your smartphone. Open doors remotely with a tap, create visitor passes, and receive real-time entry notifications. Streamline access control for single or multiple facilities securely and conveniently.

**Highlights:** Remote door opening, Tap to unlock functionality, Multi-location management, Favorite door marking, Mobile visitor pass creation, Real-time entry notifications, Secure password management

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Ghost Music Box free?

Ghost Music Box is free to download, with in-app purchases available.

### Is Cobra Access Control free?

Cobra Access Control is free to download, with no in-app purchases.

### Which has better reviews, Ghost Music Box or Cobra Access Control?

Cobra Access Control is rated higher. Ghost Music Box averages 3.8 out of 5 from 13 ratings, while Cobra Access Control averages 5.0 from 1 ratings.

### Do Ghost Music Box or Cobra Access Control have ads?

Neither Ghost Music Box nor Cobra Access Control shows ads.

### Which is updated more often, Ghost Music Box or Cobra Access Control?

Ghost Music Box ships an update every 5 months, and Cobra Access Control every 2 months. Most recently, Ghost Music Box was updated on November 4, 2026 and Cobra Access Control on October 30, 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.*