# BooAlert vs Ghost Detector

The clearest difference is rating: Ghost Detector at 4.6 against BooAlert's 3.4. Ghost Detector also leads on update cadence (daily vs every 31 months) and ratings volume (288 vs 15). BooAlert's advantage is ads (none vs shown) and iOS requirement (9.0 vs 14.0). On price, in-app purchases, monetization model and device support there is nothing between them.

Both are free to download. BooAlert sells 1 one-off in-app purchase and Ghost Detector sells 9 in-app purchases, starting at $3.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Ghost Detector holds the better App Store score, 4.6 against 3.4. That said, the two scores are not equally well evidenced: Ghost Detector has 288 ratings behind it against 15, so its average is the more settled of the two. Written reviews point the same way: 44% of BooAlert's written reviews are positive against 56% of Ghost Detector's.

BooAlert ships an update every 31 months, Ghost Detector daily. The most recent releases landed on June 11, 2026 and July 3, 2026 respectively.

## The numbers

| Metric | BooAlert | Ghost Detector |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.4 (15 ratings)](https://appshunter.io/ios/app/booalert/id615345698/reviews) | **[4.6 (288 ratings)](https://appshunter.io/ios/app/ghost-detector-funny-effects/id6476167562/reviews)** |
| Number of ratings | 15 | **288** |
| Positive reviews | 43.7% of reviews | **56.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 31 months | **Daily** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 85 MB | 105 MB |
| Requires iOS | **9.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 9+ |
| Developer | [booalert llc](https://appshunter.io/developer/615345701) | [SWANSCOUT INNOVATIONS LIMITED](https://appshunter.io/developer/1726101813) |

## What reviewers say

### BooAlert

[App page](https://appshunter.io/ios/app/booalert/id615345698)

Explore your surroundings using your device's compass to detect magnetic fields. Enhance your experience with night vision and EVP features. Includes a flashlight for dark environments.

**Highlights:** EMF, NVG, & EVP detection, NVG mode with screenshot capture, EVP recording, playback, and sharing, Adjustable EMF sensitivity, Built-in flashlight

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ad Removal | $1.99 | one-time |


### Ghost Detector

[App page](https://appshunter.io/ios/app/ghost-detector-funny-effects/id6476167562)

This app allows you to add supernatural effects, prank sounds, and stickers to your photos and videos. Explore ghostly apparitions, create humorous moments with realistic sound effects, and enhance your visuals with a variety of stickers.

**Highlights:** Ghostly camera effects, Prank sound effects, Sticker collection, Photo and video enhancement, Supernatural themes

**Features:** macOS Compatibility

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ghost Detector Premium | $3.99 | per 7 days |
| Ghost Detector Premium | $4.99 | per 7 days |
| Ghost Detector Premium | $9.99 | per 7 days |
| Ghost Detector Premium | $9.99 | per month |
| Ghost Detector Premium | $13.99 | per month |
| Ghost Detector Premium | $17.99 | per month |
| Ghost Detector Premium | $29.99 | per year |
| Ghost Detector Premium | $34.99 | per year |
| Ghost Detector Premium | $49.99 | per year |

**What reviewers like**

- 😂 Funny and entertaining
- 👻 Interesting ghost detection feature
- 💖 Loved by users
- 🤩 Fun Halloween activity
- ✨ Creepy but fun

**What reviewers complain about**

-  anúncios Ads before viewing
- 💸 Expensive to use
- 👎 Quality is bad
- 😠 Annoying and fake
- 💰 Have to pay

**Reported bugs**

- Cannot get out of premium screen
- App uses profanity

**Requested features**

- Make the app free
- Allow use without subscription


## Frequently asked questions

### Is BooAlert free?

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

### Is Ghost Detector free?

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

### Which has better reviews, BooAlert or Ghost Detector?

Ghost Detector is rated higher. BooAlert averages 3.4 out of 5 from 15 ratings, while Ghost Detector averages 4.6 from 288 ratings.

### Do BooAlert or Ghost Detector have ads?

Ghost Detector shows ads; BooAlert does not.

### Which is updated more often, BooAlert or Ghost Detector?

BooAlert ships an update every 31 months, and Ghost Detector daily. Most recently, BooAlert was updated on June 11, 2026 and Ghost Detector on July 3, 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.*