# Ghost Science M3 vs Ghost SLS

The clearest difference is price: Ghost SLS at Free against Ghost Science M3's $10.99. Ghost SLS also leads on iOS requirement (16.0 vs 18.0). Ghost Science M3's advantage is review sentiment (74% vs 37%) and ads (none vs shown). On rating, ratings volume, update cadence and in-app purchases there is nothing between them.

Ghost SLS is free to download; Ghost Science M3 costs $10.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Ghost Science M3 holds the better App Store score, 4.6 against 4.4. Both are backed by a comparable volume of ratings — 2.7K and 3.6K respectively. Written reviews point the same way: 74% of Ghost Science M3's written reviews are positive against 37% of Ghost SLS's.

Ghost Science M3 ships an update every 5 weeks, Ghost SLS every 2 months. Both last shipped on October 1, 2026.

## The numbers

| Metric | Ghost Science M3 | Ghost SLS |
| --- | --- | --- |
| Price | $10.99 | **Free** |
| Rating | **[4.6 (2.7K ratings)](https://appshunter.io/ios/app/ghost-science-m3/id1360656789/reviews)** | [4.4 (3.6K ratings)](https://appshunter.io/ios/app/ghost-sls/id1504150811/reviews) |
| Number of ratings | 2.7K | **3.6K** |
| Positive reviews | **73.6% of reviews** | 36.8% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 5 weeks** | Every 2 months |
| Monetization | **Free** | Ad-supported |
| Best chart rank | **#6** | #109 |
| Size | 331 MB | 50 MB |
| Requires iOS | 18.0 | **16.0** |
| Devices | iPhone | iPhone |
| Age rating | 9+ | 17+ |
| Developer | [Michael Weber](https://appshunter.io/developer/349078052) | [OurBigAdventure, LLC](https://appshunter.io/developer/562914290) |

## What reviewers say

### Ghost Science M3

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

**Currently charting:** #6 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


### Ghost SLS

[App page](https://appshunter.io/ios/app/ghost-sls/id1504150811)

**Currently charting:** #109 Top Paid · Entertainment (US App Store)

This app emulates an SLS camera to detect human figures using your device's camera. It includes filters to help distinguish real detections from false positives caused by lighting. Users can capture and share photos of their findings and connect with others in a community chat.

**Highlights:** SLS camera emulation, Human figure detection, Camera filters for false positives, Photo capture and sharing, Community group chat

**In-app purchases:** none

**What reviewers like**

- 👍 Works well for ghost hunting
- 🔍 Accurately detects anomalies
- 🤖 Realistic ghost detection

**What reviewers complain about**

- 🐛 Picks up non-ghost objects as anomalies
- 💰 Ads even after paid purchase
- 🤔 Ghosts appear to be dancing/moving unnaturally

**Reported bugs**

- Camera always faces forward, can't reverse
- Laggy and slow performance
- Anomalies disappear when tilting the camera

**Requested features**

- Ability to save/retrieve photos
- Improved accuracy in ghost detection
- Option to disable ads in paid version


## Frequently asked questions

### Is Ghost Science M3 free?

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

### Is Ghost SLS free?

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

### Which has better reviews, Ghost Science M3 or Ghost SLS?

Ghost Science M3 is rated higher. Ghost Science M3 averages 4.6 out of 5 from 2.7K ratings, while Ghost SLS averages 4.4 from 3.6K ratings.

### Do Ghost Science M3 or Ghost SLS have ads?

Ghost SLS shows ads; Ghost Science M3 does not.

### Which is updated more often, Ghost Science M3 or Ghost SLS?

Ghost Science M3 ships an update every 5 weeks, and Ghost SLS every 2 months. Most recently, Ghost Science M3 was updated on October 1, 2026 and Ghost SLS on October 1, 2026.

### Which is more popular, Ghost Science M3 or Ghost SLS?

Ghost Science M3 currently peaks at #6 in the App Store charts, and Ghost SLS at #109. Chart position reflects recent download velocity rather than total install base.

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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.*