# Ghost Science M3 vs Roman Digital Clock

The clearest difference is price: Roman Digital Clock at $0.99 against Ghost Science M3's $10.99. Ghost Science M3's advantage is update cadence (every 5 weeks vs every 11 months) and chart position (#4 vs unranked). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Ghost Science M3 costs $10.99 and Roman Digital Clock $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Ghost Science M3 ships an update every 5 weeks, Roman Digital Clock every 11 months. The most recent releases landed on September 26, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | Ghost Science M3 | Roman Digital Clock |
| --- | --- | --- |
| Price | $10.99 | **$0.99** |
| Rating | **[4.6 (2.7K ratings)](https://appshunter.io/ios/app/ghost-science-m3/id1360656789/reviews)** | — |
| Number of ratings | **2.7K** | — |
| Positive reviews | 73.6% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 11 months |
| Monetization | Free | — |
| Best chart rank | **#4** | — |
| Size | 331 MB | 13 MB |
| Requires iOS | **18.0** | 18.6 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 9+ | 4+ |
| Developer | [Michael Weber](https://appshunter.io/developer/349078052) | [Anthony Caggiano](https://appshunter.io/developer/828737536) |

## What reviewers say

### Ghost Science M3

[App page](https://appshunter.io/ios/app/ghost-science-m3/id1360656789)

**Currently charting:** #4 Top Paid · Entertainment (US App Store)

This advanced paranormal investigation toolkit utilizes cutting-edge technology to detect and visualize potential supernatural activity. Features include infrared laser grid imaging, AI-driven figure detection, real-time audio analysis for spirit communication, and environmental monitoring.

**Highlights:** Infrared laser grid imaging with AI figure detection, Spirit Box with real-time audio analysis, LiDAR-enabled spatial mapping, Environmental monitoring for paranormal phenomena, EMF detection and visualization, EVP and ITC communication tools

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Useful paranormal investigation tools
- 🚀 Comprehensive set of features
- 💡 Innovative technology
- 🔒 Accurate sensor readings

**What reviewers complain about**

- 🐛 Glitches and bugs
- 🔋 Compatibility issues with older devices
- 🤔 Unclear instructions and guidance
- 🤷‍♀️ Questionable reliability of some features

**Reported bugs**

- Lidar feature not working
- EVP recordings not saving
- Frequent app crashes
- Compatibility issues with certain iOS versions

**Requested features**

- Add ability to record and playback EVP sessions
- Improve ghost box functionality
- Provide more detailed information on sensor data
- Allow customization of the dashboard


### Roman Digital Clock

[App page](https://appshunter.io/ios/app/roman-digital-clock/id1516166045)

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

**In-app purchases:** none


## Frequently asked questions

### Is Ghost Science M3 free?

Ghost Science M3 costs $10.99, with no in-app purchases.

### Is Roman Digital Clock free?

Roman Digital Clock costs $0.99, with no in-app purchases.

### Do Ghost Science M3 or Roman Digital Clock have ads?

Neither Ghost Science M3 nor Roman Digital Clock shows ads.

### Which is updated more often, Ghost Science M3 or Roman Digital Clock?

Ghost Science M3 ships an update every 5 weeks, and Roman Digital Clock every 11 months. Most recently, Ghost Science M3 was updated on September 26, 2026 and Roman Digital Clock on September 20, 2026.

---

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