# Claus Detector vs NDS Ghost Hunter

The clearest difference is ads: NDS Ghost Hunter at none against Claus Detector's shown. NDS Ghost Hunter also leads on rating (4.7 vs 4.4). Claus Detector's advantage is ratings volume (34 vs 6) and iOS requirement (13.0 vs 16.4). On price, update cadence, in-app purchases and monetization model there is nothing between them.

Both are free to download. Claus Detector 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 4.4. That said, the two scores are not equally well evidenced: Claus Detector has 34 ratings behind it against 6, so its average is the more settled of the two.

Claus Detector ships an update every 6 months, NDS Ghost Hunter every 9 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | Claus Detector | NDS Ghost Hunter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (34 ratings)](https://appshunter.io/ios/app/claus-detector/id1544806758/reviews) | **[4.7 (6 ratings)](https://appshunter.io/ios/app/nds-ghost-hunter/id1671457267/reviews)** |
| Number of ratings | **34** | 6 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 6 months** | Every 9 months |
| Monetization | Free with in-app purchases | Freemium |
| Size | 158 MB | 81 MB |
| Requires iOS | **13.0** | 16.4 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [KING TECNOLOGIA DA INFORMACAO LTDA](https://appshunter.io/developer/1000082642) | [Neher & Co Data Systems LLC](https://appshunter.io/developer/1619722081) |

## What reviewers say

### Claus Detector

[App page](https://appshunter.io/ios/app/claus-detector/id1544806758)

This entertainment app uses your device's sensors to detect mystical and magical activities around you. It measures electromagnetic fields, temperature, vibrations, and noise to interpret presences. For optimal performance, use in a quiet, low-light environment.

**Highlights:** Mystical activity detection, Measures electromagnetic fields, Detects temperature variations, Senses vibrations and noise, Entertainment purposes only

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $0.99 | one-time |


### 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 Claus Detector free?

Claus Detector 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, Claus Detector or NDS Ghost Hunter?

NDS Ghost Hunter is rated higher. Claus Detector averages 4.4 out of 5 from 34 ratings, while NDS Ghost Hunter averages 4.7 from 6 ratings.

### Do Claus Detector or NDS Ghost Hunter have ads?

Claus Detector shows ads; NDS Ghost Hunter does not.

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

Claus Detector ships an update every 6 months, and NDS Ghost Hunter every 9 months. Most recently, Claus Detector was updated on October 24, 2026 and NDS Ghost Hunter 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.*