Ghost Vision SLS vs Smell Annotator
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Ghost Vision SLS
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.
- 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)
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Unlock the full potential of your paranormal investigation and experience a world previously unseen. See in low-light. See in total and complete darkness. Detect human figures. © See what cannot be seen. © Ghost Vision uses AI-driven software and hardware components similar to those found in ®Kinect-driven SLS devices, used by professional paranormal investigators worldwide. © Ghost Vision utilizes structured-light *lidar-enabled infrared imaging, AI-directed computer vision, GPU image filtering, and advanced hardware management to provide unparalleled night vision, 3D visualization, image processing, and real-time human figure detection. Key Features •Unparalleled, world-class, professional series software. •3D visualization and analysis. •Real-time human figure detection. •Automatically record and alert when a human figure is detected. •Detect human figures in any environment and virtually any lighting condition. •Lidar-enabled infrared depth-driven imaging.* •Lidar-enabled infrared-driven night vision. See in total and complete darkness.* •Twilight-enabled low-light visibility. See in extremely low-light environments. •Multiple state-of-the-art AI-driven vision models. •Filter ambient noise to isolate and enhance your surroundings. •Human figure joint confidence visualization. •Record, analyze, and share photos and video recordings. •Intuitive, professional, easy-to-use design. •Extensive help section. •Easy access to customer support. •Lifetime updates. *Lidar-enabled functionality is available only on iPhone Pro devices. Frustration Free •No Ads •No Gimmicks •World-Class Customer Support If you have any questions, comments, or concerns about this app, please contact us at: JedaSoftwareSystemsHelp@gmail.com https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Smell Annotator
This application enables machines to digitally sense and analyze smells using nanomaterial-based technology. It allows users to view, annotate, and recognize smell measurements in real-time, functioning as part of a developer kit.
- Smell recognition
- Smell digitalization and annotation
- Saving and loading measurements
- Real-time measurement visualization
- Offline data collection
- Graph synchronization
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Today, machines can see, hear, feel, and even learn. But smell? Not really! Our nanomaterial-based technology enables machines to use an electronic sense of smell. Smell Annotator app is an AI-based software program which is used to view, annotate and analyze smell measurements taken with the Smell Inspector and to recognize annotated smells in real time. The Smell Annotator app is a part of the Smell Inspector Developer Kit. The Smell Annotator gives you access to the smell sensors of your Smell Inspector developer kit. APP FEATURES * Smell recognition [NEW] * Smell digitalization and annotation * Saving measurements and loading saved data * Visualization of real-time and saved measurements with temperature and humidity data * Collect measurement data with or without internet access * Sync graphs for better clarity of data SENSORS * 4 Smell iX16 detector chips * Temperature sensor * Humidity sensor SMELL INSPECTOR The Smell Inspector is a ready-to-use device for anyone and a developer kit. It is suitable for testing and exploring different smell-related applications in the fields of product quality, safety & security, life & care, air quality, and many others. It has four Smell iX 16 detector chips inside, can be connected to a PC, tablet, or smartphone, and can be operated with Smell Annotator software. USER MANUAL For more information about how to use the App and the Smell Inspector device, go to: http://smart-nanotubes.com/downloads/ ABOUT US Along with a great community of industry experts and researchers, SmartNanotubes Technologies shares the vision of digital smell recognition. Our goal is to enable digital smell recognition in a fast and easy way and help our customers to develop product solutions for their own smell and gas detection applications. Visit us at: http://smart-nanotubes.com
Screenshots
Verdict
The clearest difference is rating: Ghost Vision SLS at 4.5 against Smell Annotator's 1.0. Ghost Vision SLS also leads on ratings volume (343 vs 1). Smell Annotator's advantage is in-app purchases (none vs 2) and update cadence (monthly vs every 4 months). On price, ads and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Ghost Vision SLS sells 2 in-app purchases, starting at $1.99 per month. Smell Annotator asks for nothing beyond the download.
Ghost Vision SLS holds the better App Store score, 4.5 against 1.0. That said, the two scores are not equally well evidenced: Ghost Vision SLS has 343 ratings behind it against 1, so its average is the more settled of the two.
Ghost Vision SLS ships an update every 4 months, Smell Annotator monthly. The most recent releases landed on September 22, 2026 and September 14, 2026 respectively.
| Parameter | Ghost Vision SLS | Smell Annotator |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (343 ratings) — better | 1.0 (1 ratings) |
| Positive reviews | 47.5% of reviews | — |
| Number of ratings | 343 — better | 1 |
| Update frequency | Every 4 months | Monthly — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone | iPhone, iPod — better |
| Requires iOS | 18.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 176 MB | 53 MB |
| Age rating | 9+ | 4+ |
| Developer | Michael Weber | SmartNanotubes Technologies |
Customer experience
Ghost Vision SLS
Smell Annotator
Bugs and requests
Ghost Vision SLS
Reported bugs
7 issues- 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
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- Glitch when trying to look at ghosts
- App doesn't work after monthly payment
Requested features
7 requests- 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
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- Connect Xbox Kinect
- Dark mode option
Smell Annotator
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Ghost Vision SLS
- Full Access Subscription$1.991 Month
- Lifetime Full Access$11.95
Smell Annotator
No in-app purchases
Questions
Is Ghost Vision SLS free?
Is Smell Annotator free?
Which has better reviews, Ghost Vision SLS or Smell Annotator?
Do Ghost Vision SLS or Smell Annotator have ads?
Which is updated more often, Ghost Vision SLS or Smell Annotator?
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