Smell Annotator vs Vendora
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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
Vendora
Manage your online business presence directly from your mobile device. Track and update product details, and soon, manage orders, inventory, and employee access. Streamline your e-commerce operations on the go.
- Track products
- Update product images
- Update product information
- Manage orders
- Manage inventory
- Manage employee access
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The Vendora app allows you to manage your business's online presence from your phone. - Track products and update products that are missing images - Updating product information, including prices, availability, and tax status (coming soon) - Track, pick, and manage orders (coming soon) - Receive and manage inventory (coming soon) - Manage your employee's access (coming soon)
Screenshots
Verdict
The clearest difference is rating: Vendora at 5.0 against Smell Annotator's 1.0. Vendora also leads on ratings volume (5 vs 1). Smell Annotator's advantage is monetization model (free vs ad-supported). On price, update cadence, ads and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
Vendora holds the better App Store score, 5.0 against 1.0. That said, the two scores are not equally well evidenced: Vendora has 5 ratings behind it against 1, so its average is the more settled of the two.
Smell Annotator ships an update monthly, Vendora every 5 weeks. The most recent releases landed on October 27, 2026 and November 3, 2026 respectively.
| Parameter | Smell Annotator | Vendora |
|---|---|---|
| Price | Free | Free |
| Rating | 1.0 (1 ratings) | 5.0 (5 ratings) — better |
| Number of ratings | 1 | 5 — better |
| Update frequency | Monthly — better | Every 5 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free — better | Ad-supported |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 15.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 53 MB | 48 MB |
| Age rating | 4+ | 4+ |
| Developer | SmartNanotubes Technologies | Jaldi |
Customer experience
Smell Annotator
Vendora
In-app purchases
Smell Annotator
No in-app purchases
Vendora
No in-app purchases









