# iStrobo vs Ghost Detector EMF Scanner

The clearest difference is price: Ghost Detector EMF Scanner at Free against iStrobo's $0.99. Ghost Detector EMF Scanner also leads on rating (4.5 vs 2.7) and review sentiment (100% vs 88%). iStrobo's advantage is in-app purchases (none vs 13) and device support (3 vs 1). On update cadence and ads there is nothing between them.

Ghost Detector EMF Scanner is free to download; iStrobo costs $0.99 up front. Ghost Detector EMF Scanner sells 11 in-app purchases, starting at $2.99 per 7 days. iStrobo asks for nothing beyond the download.

Ghost Detector EMF Scanner holds the better App Store score, 4.5 against 2.7. Both are backed by a comparable volume of ratings — 3 and 12 respectively. Written reviews point the same way: 88% of iStrobo's written reviews are positive against 100% of Ghost Detector EMF Scanner's.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 27, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | iStrobo | Ghost Detector EMF Scanner |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | [2.7 (3 ratings)](https://appshunter.io/ios/app/istrobo/id322275101/reviews) | **[4.5 (12 ratings)](https://appshunter.io/ios/app/ghost-detector-emf-scanner/id6759486220/reviews)** |
| Number of ratings | 3 | **12** |
| Positive reviews | 87.5% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 4 MB | 39 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 9+ |
| Developer | [Sebastien BUET](https://appshunter.io/developer/321941181) | [Cloud Motion Lab LLC](https://appshunter.io/developer/1866865109) |

## What reviewers say

### iStrobo

[App page](https://appshunter.io/ios/app/istrobo/id322275101)

Transform your iOS device into a portable stroboscope. Adjust flash speed, screen color, and choose between the device's flash, screen, or both for illumination. Ideal for parties or as a safety beacon for visibility in the dark.

**Highlights:** Adjustable flash speed (BPM), Customizable screen color, Use device flash, screen, or both, Party animation mode, Safety visibility mode

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

**In-app purchases:** none


### Ghost Detector EMF Scanner

[App page](https://appshunter.io/ios/app/ghost-detector-emf-scanner/id6759486220)

This app uses your device's sensors to detect electromagnetic field anomalies, simulating paranormal activity. It features a real-time radar, ghost identification, and a soundboard for an immersive entertainment experience.

**Highlights:** Real-time EMF radar, Ghost identification (names, types, danger levels), Spooky soundboard with sound effects, Haptic vibration feedback, Dark night-vision interface

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Pro | $2.99 | per 7 days |
| Lifetime Pro - Special Offer | $2.99 | per 7 days |
| Ghost Detector Pro Weekly | $3.99 | per 7 days |
| Weekly Pro - Special Offer | $3.99 | per 7 days |
| Pro Weekly | $4.99 | per 7 days |
| Yearly Pro | $9.99 | per year |
| Lifetime Pro - Special Offer | $4.99 | one-time |
| Lifetime Pro - Special Offer | $6.99 | one-time |
| Lifetime | $9.99 | one-time |
| Lifetime Pro - Special Offer | $9.99 | one-time |
| Lifetime | $19.99 | one-time |


## Frequently asked questions

### Is iStrobo free?

iStrobo costs $0.99, with no in-app purchases.

### Is Ghost Detector EMF Scanner free?

Ghost Detector EMF Scanner is free to download, with in-app purchases available.

### Which has better reviews, iStrobo or Ghost Detector EMF Scanner?

Ghost Detector EMF Scanner is rated higher. iStrobo averages 2.7 out of 5 from 3 ratings, while Ghost Detector EMF Scanner averages 4.5 from 12 ratings.

### Do iStrobo or Ghost Detector EMF Scanner have ads?

Neither iStrobo nor Ghost Detector EMF Scanner shows ads.

### Which is updated more often, iStrobo or Ghost Detector EMF Scanner?

iStrobo ships an update every 3 weeks, and Ghost Detector EMF Scanner every 3 weeks. Most recently, iStrobo was updated on October 27, 2026 and Ghost Detector EMF Scanner on October 24, 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.*