# BooAlert vs NDS Ghost Hunter

The clearest difference is review sentiment: NDS Ghost Hunter at 100% against BooAlert's 44%. NDS Ghost Hunter also leads on rating (4.7 vs 3.4) and update cadence (every 9 months vs every 31 months). BooAlert's advantage is iOS requirement (9.0 vs 16.4). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. BooAlert sells 1 one-off in-app purchase and NDS Ghost Hunter sells 1 in-app purchase, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

NDS Ghost Hunter holds the better App Store score, 4.7 against 3.4. Both are backed by a comparable volume of ratings — 15 and 6 respectively. Written reviews point the same way: 44% of BooAlert's written reviews are positive against 100% of NDS Ghost Hunter's.

BooAlert ships an update every 31 months, NDS Ghost Hunter every 9 months. The most recent releases landed on September 30, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | BooAlert | NDS Ghost Hunter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.4 (15 ratings)](https://appshunter.io/ios/app/booalert/id615345698/reviews) | **[4.7 (6 ratings)](https://appshunter.io/ios/app/nds-ghost-hunter/id1671457267/reviews)** |
| Number of ratings | **15** | 6 |
| Positive reviews | 43.7% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 31 months | **Every 9 months** |
| Monetization | Free with in-app purchases | Freemium |
| Size | 85 MB | 81 MB |
| Requires iOS | **9.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [booalert llc](https://appshunter.io/developer/615345701) | [Neher & Co Data Systems LLC](https://appshunter.io/developer/1619722081) |

## 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 |

**What reviewers like**

- 👻 Fun and scary experience
- 🎬 Great for making movies
- 💡 Interesting ghost hunting app
- 👍 Good for beginners
- 🤩 Amazing and cool features

**What reviewers complain about**

- 🐛 Crashes frequently
- 🐛 Won't stay open
- 🐛 App closes unexpectedly
- 🐛 Doesn't work
- 🐛 Fake readings

**Reported bugs**

- App crashes on opening
- App closes after a few seconds
- App freezes
- App won't stay open
- App minimizes automatically

**Requested features**

- Fix crashing issues
- Add camera to see ghosts
- Improve app stability
- Fix bugs
- Make it more real


### NDS Ghost Hunter

[App page](https://appshunter.io/ios/app/nds-ghost-hunter/id1671457267)

Transform your device into a paranormal detection tool. This app uses AI vision, device sensors, and patented technology to find, analyze, and document potential supernatural activity. Features include an AI ghost camera, spirit communication instrument, and electromagnetic field reader.

**Highlights:** AI Ghost Camera with YOLO vision, Frequency Analysis & Resonance Translator (EVP), Waveform Harmonic Interference Frequency Finder (EMF), Customizable AI detection models, Haptic feedback for paranormal intensity, Serious Mode for advanced detection

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Serious Mode | $1.99 | per month |


## Frequently asked questions

### Is BooAlert free?

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

### Is NDS Ghost Hunter free?

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

### Which has better reviews, BooAlert or NDS Ghost Hunter?

NDS Ghost Hunter is rated higher. BooAlert averages 3.4 out of 5 from 15 ratings, while NDS Ghost Hunter averages 4.7 from 6 ratings.

### Do BooAlert or NDS Ghost Hunter have ads?

Neither BooAlert nor NDS Ghost Hunter shows ads.

### Which is updated more often, BooAlert or NDS Ghost Hunter?

BooAlert ships an update every 31 months, and NDS Ghost Hunter every 9 months. Most recently, BooAlert was updated on September 30, 2026 and NDS Ghost Hunter on October 10, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*