# Monstrometer vs NDS Ghost Hunter

The clearest difference is in-app purchases: Monstrometer at none against NDS Ghost Hunter's 1. Monstrometer also leads on update cadence (every 3 months vs every 9 months) and iOS requirement (9.0 vs 16.4). NDS Ghost Hunter's advantage is review sentiment (100% vs 71%). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. NDS Ghost Hunter sells 1 in-app purchase, starting at $1.99 per month. Monstrometer asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.7 for Monstrometer against 4.7 for NDS Ghost Hunter. Both are backed by a comparable volume of ratings — 9 and 6 respectively. Written reviews are what separate them: 71% of Monstrometer's written reviews are positive against 100% of NDS Ghost Hunter's.

Monstrometer ships an update every 3 months, NDS Ghost Hunter every 9 months. The most recent releases landed on October 8, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Monstrometer | NDS Ghost Hunter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (9 ratings)](https://appshunter.io/ios/app/monstrometer/id335896676/reviews) | [4.7 (6 ratings)](https://appshunter.io/ios/app/nds-ghost-hunter/id1671457267/reviews) |
| Number of ratings | **9** | 6 |
| Positive reviews | 71.1% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 9 months |
| Monetization | **Free** | Freemium |
| Size | 51 MB | 81 MB |
| Requires iOS | **9.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [T3 Digital Productions](https://appshunter.io/developer/335896679) | [Neher & Co Data Systems LLC](https://appshunter.io/developer/1619722081) |

## What reviewers say

### Monstrometer

[App page](https://appshunter.io/ios/app/monstrometer/id335896676)

This app helps you identify and understand supernatural beings. It uses biometric scans and questions to assess if someone is a disguised creature like a zombie or vampire, and offers survival tips and videos.

**Highlights:** Biometric finger scan for creature identification, Psychometric questions to assess supernatural probability, Survival videos for various creatures, Tips for dealing with supernatural beings, Social game for tricking friends

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 😂 Hilarious and fun
- 👍 Great for messing with friends
- 💡 Identifies monsters accurately (according to users)
- 🤩 Never gets old
- 💯 Good for parties and icebreakers

**What reviewers complain about**

- 🐛 Frequent crashing
- 🐛 App force closes
- 🐛 Data loss due to crashes
- 🐛 Bugs and glitches
- 📉 Inconsistent results

**Reported bugs**

- Crashes frequently
- Keeps crashing
- Crashes every time
- Force closes
- Bug that makes the app crash and delete data

**Requested features**

- Update the app on the AppStore
- Add sound effects
- Make human a result option
- Add unicorn and pegasus monsters
- Show most common answer and past quizzes


### 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 Monstrometer free?

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

### Is NDS Ghost Hunter free?

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

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

Monstrometer and NDS Ghost Hunter are both rated 4.7 out of 5 on the App Store, from 9 and 6 ratings respectively.

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

Neither Monstrometer nor NDS Ghost Hunter shows ads.

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

Monstrometer ships an update every 3 months, and NDS Ghost Hunter every 9 months. Most recently, Monstrometer was updated on October 8, 2026 and NDS Ghost Hunter on September 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.*