# EMF Field Detector RF Scanner vs Ghost Vision SLS

The clearest difference is price: Ghost Vision SLS at Free against EMF Field Detector RF Scanner's $4.99. Ghost Vision SLS also leads on ads (none vs shown). EMF Field Detector RF Scanner's advantage is review sentiment (84% vs 47%) and update cadence (every 3 weeks vs every 4 months). On rating, in-app purchases and monetization model there is nothing between them.

Ghost Vision SLS is free to download; EMF Field Detector RF Scanner costs $4.99 up front. EMF Field Detector RF Scanner sells 2 one-off in-app purchases and Ghost Vision SLS sells 2 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.5 for EMF Field Detector RF Scanner against 4.5 for Ghost Vision SLS. That said, the two scores are not equally well evidenced: EMF Field Detector RF Scanner has 5.5K ratings behind it against 343, so its average is the more settled of the two. Written reviews are what separate them: 84% of EMF Field Detector RF Scanner's written reviews are positive against 47% of Ghost Vision SLS's.

EMF Field Detector RF Scanner ships an update every 3 weeks, Ghost Vision SLS every 4 months. The most recent releases landed on September 24, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | EMF Field Detector RF Scanner | Ghost Vision SLS |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | [4.5 (5.5K ratings)](https://appshunter.io/ios/app/emf-field-detector-rf-scanner/id836603095/reviews) | [4.5 (343 ratings)](https://appshunter.io/ios/app/ghost-vision-sls/id1595033309/reviews) |
| Number of ratings | **5.5K** | 343 |
| Positive reviews | **84.1% of reviews** | 47.5% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 3 weeks** | Every 4 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 56 MB | 176 MB |
| Requires iOS | **15.6** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 9+ |
| Developer | [Jorge Gregorio Martin Bello](https://appshunter.io/developer/567988393) | [Michael Weber](https://appshunter.io/developer/349078052) |

## What reviewers say

### EMF Field Detector RF Scanner

[App page](https://appshunter.io/ios/app/emf-field-detector-rf-scanner/id836603095)

Detect electromagnetic fields (EMF) using your device's sensors. Get alerted to high magnetic fields and potential radiation sources in your home. Useful for identifying hidden emitters and understanding your environment.

**Highlights:** Detects electromagnetic fields (EMF), Warns of high magnetic fields with beeps, Measures magnetic force on three axes, Records readings with time and date stamps, Stores up to 100 records, Sends measurements via email

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Pack | $4.99 | one-time |
| Special Offer | $4.99 | one-time |

**What reviewers like**

- 👍 Easy to use
- 🚀 Accurate readings
- 💡 Useful for detecting EMF
- 🔍 Helps identify problem areas
- 📊 Provides clear data and insights

**What reviewers complain about**

- 🐛 Occasional glitches or inconsistent readings
- 🔋 Concerns about phone's own EMF emissions
- 💰 Premium version required for full functionality

**Reported bugs**

- App freezes or stops working after updates
- Readings not always accurate or reliable

**Requested features**

- Ability to export data
- More detailed explanations and guidance
- Compatibility with other EMF measurement devices


### Ghost Vision SLS

[App page](https://appshunter.io/ios/app/ghost-vision-sls/id1595033309)

This app uses advanced AI and lidar-enabled infrared imaging to detect human figures and provide unparalleled night vision. It offers 3D visualization, real-time alerts, and the ability to record and share findings, enhancing paranormal investigations.

**Highlights:** AI-driven infrared imaging, Real-time human figure detection, 3D visualization and analysis, Night vision in total darkness, Record and share findings, Lidar-enabled functionality (iPhone Pro)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Access Subscription | $1.99 | per month |
| Lifetime Full Access | $11.95 | one-time |

**What reviewers like**

- 💡 Innovative LiDAR feature
- 👍 Great value for money (paid version)
- 👻 Fun and exciting experience
- ✅ Accurate representation (for some users)
- 🌟 Better than other ghost apps

**What reviewers complain about**

- 💰 Expensive paywall for features
- 💸 App takes money but gives nothing
- 👎 Fake SLS camera accusations
- 🚫 No free trial for full features
- 📉 Battery drain reported

**Reported bugs**

- Recorded files corrupted (no video/audio)
- Bug with turning LiDAR on/off in landscape orientation
- App freezes and not functioning
- Paid features not unlocking after payment
- App does not open after payment

**Requested features**

- Allow trial for paid features
- Add 4K recording
- Offer different color options for LiDAR depth and joints
- Option to save visible color video and LiDAR depth separately
- Repair corrupted video feature


## Frequently asked questions

### Is EMF Field Detector RF Scanner free?

EMF Field Detector RF Scanner costs $4.99, and also offers in-app purchases.

### Is Ghost Vision SLS free?

Ghost Vision SLS is free to download, with in-app purchases available.

### Which has better reviews, EMF Field Detector RF Scanner or Ghost Vision SLS?

EMF Field Detector RF Scanner and Ghost Vision SLS are both rated 4.5 out of 5 on the App Store, from 5.5K and 343 ratings respectively.

### Do EMF Field Detector RF Scanner or Ghost Vision SLS have ads?

EMF Field Detector RF Scanner shows ads; Ghost Vision SLS does not.

### Which is updated more often, EMF Field Detector RF Scanner or Ghost Vision SLS?

EMF Field Detector RF Scanner ships an update every 3 weeks, and Ghost Vision SLS every 4 months. Most recently, EMF Field Detector RF Scanner was updated on September 24, 2026 and Ghost Vision SLS on September 22, 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.*