# Ghost Vision SLS vs Necrometer

The clearest difference is price: Ghost Vision SLS at Free against Necrometer's $9.99. Ghost Vision SLS also leads on rating (4.5 vs 2.7) and review sentiment (47% vs 31%). Necrometer's advantage is in-app purchases (none vs 2) and chart position (#15 vs unranked). On ratings volume and ads there is nothing between them.

Ghost Vision SLS is free to download; Necrometer costs $9.99 up front. Ghost Vision SLS sells 2 in-app purchases, starting at $1.99 per month. Necrometer asks for nothing beyond the download.

Ghost Vision SLS holds the better App Store score, 4.5 against 2.7. Both are backed by a comparable volume of ratings — 343 and 271 respectively. Written reviews point the same way: 47% of Ghost Vision SLS's written reviews are positive against 31% of Necrometer's.

Ghost Vision SLS ships an update every 4 months, Necrometer every 9 months. The most recent releases landed on September 22, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Ghost Vision SLS | Necrometer |
| --- | --- | --- |
| Price | **Free** | $9.99 |
| Rating | **[4.5 (343 ratings)](https://appshunter.io/ios/app/ghost-vision-sls/id1595033309/reviews)** | [2.7 (271 ratings)](https://appshunter.io/ios/app/necrometer/id1670762759/reviews) |
| Number of ratings | **343** | 271 |
| Positive reviews | **47.5% of reviews** | 30.9% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 9 months |
| Monetization | Free with in-app purchases | **Free** |
| Best chart rank | — | **#15** |
| Size | 176 MB | 174 MB |
| Requires iOS | 18.0 | **14.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 9+ | 12+ |
| Developer | [Michael Weber](https://appshunter.io/developer/349078052) | [BitPlague LLC](https://appshunter.io/developer/1119043156) |

## What reviewers say

### 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


### Necrometer

[App page](https://appshunter.io/ios/app/necrometer/id1670762759)

**Currently charting:** #15 Top Paid · Utilities (US App Store)

This app is designed for ghost hunters and paranormal investigators. It detects magnetic energy fluctuations and facilitates spirit communication through text and speech modes using AI-powered systems and audio effects. It aims to provide insights and messages from the other side.

**Highlights:** Magnetic energy detection meter, Text-based spirit communication, AI-powered speech generation, Customizable voice and audio effects, Access to over 60,000 words/phrases, Custom word list functionality

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🌟 Accurate responses
- 👍 Useful for paranormal investigations
- 🤖 Unique voice options

**What reviewers complain about**

- 🔇 Audio issues (no sound, language not in English)
- 🤖 Unreliable/inconsistent speech/text responses
- 💰 Overpriced for features provided
- 🔍 Lack of customization options

**Reported bugs**

- Audio not working on certain devices
- Random/irrelevant responses

**Requested features**

- Ability to save/review past session logs
- Multi-language support
- Custom word list functionality


## Frequently asked questions

### Is Ghost Vision SLS free?

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

### Is Necrometer free?

Necrometer costs $9.99, with no in-app purchases.

### Which has better reviews, Ghost Vision SLS or Necrometer?

Ghost Vision SLS is rated higher. Ghost Vision SLS averages 4.5 out of 5 from 343 ratings, while Necrometer averages 2.7 from 271 ratings.

### Do Ghost Vision SLS or Necrometer have ads?

Neither Ghost Vision SLS nor Necrometer shows ads.

### Which is updated more often, Ghost Vision SLS or Necrometer?

Ghost Vision SLS ships an update every 4 months, and Necrometer every 9 months. Most recently, Ghost Vision SLS was updated on September 22, 2026 and Necrometer on September 23, 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.*