# Monstrometer vs Spirit Box Detector

The clearest difference is rating: Monstrometer at 4.7 against Spirit Box Detector's 4.1. Monstrometer also leads on in-app purchases (none vs 2) and ads (none vs shown). On price, ratings volume and update cadence there is nothing between them.

Both are free to download. Spirit Box Detector sells 2 in-app purchases, starting at $9.99 per 7 days. Monstrometer asks for nothing beyond the download.

Monstrometer holds the better App Store score, 4.7 against 4.1. Both are backed by a comparable volume of ratings — 9 and 8 respectively.

Monstrometer ships an update every 3 months, Spirit Box Detector every 5 months. The most recent releases landed on October 24, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Monstrometer | Spirit Box Detector |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (9 ratings)](https://appshunter.io/ios/app/monstrometer/id335896676/reviews)** | [4.1 (8 ratings)](https://appshunter.io/ios/app/spirit-box-detector-ghost/id6760581550/reviews) |
| Number of ratings | **9** | 8 |
| Positive reviews | 71.1% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 3 months** | Every 5 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 51 MB | 15 MB |
| Requires iOS | **9.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | +4 |
| Developer | [T3 Digital Productions](https://appshunter.io/developer/335896679) | [APPLU DIGITAL LTDA](https://appshunter.io/developer/1840502147) |

## 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


### Spirit Box Detector

[App page](https://appshunter.io/ios/app/spirit-box-detector-ghost/id6760581550)

This app transforms your phone into a paranormal investigation tool. It features a real-time radar, a camera with ghostly overlays, and a spirit box to capture potential spirit voices. Log your sessions and share your findings.

**Highlights:** Real-time radar sweep, Camera with paranormal overlays, Spirit box and EVP recorder, EMF meter with alerts, Sound effects library, Session logging

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscription | $9.99 | per 7 days |
| Annual Subscription | $29.99 | per year |


## Frequently asked questions

### Is Monstrometer free?

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

### Is Spirit Box Detector free?

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

### Which has better reviews, Monstrometer or Spirit Box Detector?

Monstrometer is rated higher. Monstrometer averages 4.7 out of 5 from 9 ratings, while Spirit Box Detector averages 4.1 from 8 ratings.

### Do Monstrometer or Spirit Box Detector have ads?

Spirit Box Detector shows ads; Monstrometer does not.

### Which is updated more often, Monstrometer or Spirit Box Detector?

Monstrometer ships an update every 3 months, and Spirit Box Detector every 5 months. Most recently, Monstrometer was updated on October 24, 2026 and Spirit Box Detector on October 31, 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.*