# Ghost detector vs Comma Subs

The clearest difference is in-app purchases: Comma Subs at none against Ghost detector's 1. Comma Subs also leads on ads (none vs shown) and update cadence (every 4 months vs every 43 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Ghost detector sells 1 one-off in-app purchase. Comma Subs asks for nothing beyond the download.

Ghost detector ships an update every 43 months, Comma Subs every 4 months. The most recent releases landed on October 7, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Ghost detector | Comma Subs |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (148 ratings)](https://appshunter.io/ios/app/ghost-detector-radar-camera/id1661953057/reviews)** | — |
| Number of ratings | **148** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 43 months | **Every 4 months** |
| Monetization | Free with in-app purchases | — |
| Size | 113 MB | 2 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 17+ | 4+ |
| Developer | [Luis Hernando Prada](https://appshunter.io/developer/1554735315) | [Martin Milesich](https://appshunter.io/developer/1795524910) |

## What reviewers say

### Ghost detector

[App page](https://appshunter.io/ios/app/ghost-detector-radar-camera/id1661953057)

Simulate paranormal investigations with a radar camera, EMF meter, and ghost sound effects. This prank app is designed for hours of fun, helping to playfully alleviate fears of the unknown.

**Highlights:** Simulated EMF meter, Radar detector, Flashlight, Ghost sound radio, Temperature meter, Protective cross, Camera for photos

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove the ads | $1.99 | one-time |


### Comma Subs

[App page](https://appshunter.io/ios/app/comma-subs/id6741780809)

**Features:** Safari Extension

**In-app purchases:** none


## Frequently asked questions

### Is Ghost detector free?

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

### Is Comma Subs free?

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

### Do Ghost detector or Comma Subs have ads?

Ghost detector shows ads; Comma Subs does not.

### Which is updated more often, Ghost detector or Comma Subs?

Ghost detector ships an update every 43 months, and Comma Subs every 4 months. Most recently, Ghost detector was updated on October 7, 2026 and Comma Subs on October 9, 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.*