# Price Scanner Barcode vs Smell Annotator

The clearest difference is rating: Price Scanner Barcode at 4.6 against Smell Annotator's 1.0. Price Scanner Barcode also leads on ratings volume (18K vs 1). Smell Annotator's advantage is in-app purchases (none vs 2) and ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Price Scanner Barcode sells 2 in-app purchases, starting at $1.99 per month. Smell Annotator asks for nothing beyond the download.

Price Scanner Barcode holds the better App Store score, 4.6 against 1.0. That said, the two scores are not equally well evidenced: Price Scanner Barcode has 18K ratings behind it against 1, so its average is the more settled of the two.

Price Scanner Barcode ships an update every 2 months, Smell Annotator monthly. The most recent releases landed on September 24, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | Price Scanner Barcode | Smell Annotator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (18K ratings)](https://appshunter.io/ios/app/price-scanner-barcode/id728175625/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/smell-annotator/id1607528175/reviews) |
| Number of ratings | **18K** | 1 |
| Positive reviews | 61.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 67 MB | 53 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [BuyVia, LLC](https://appshunter.io/developer/488251081) | [SmartNanotubes Technologies](https://appshunter.io/developer/1607528177) |

## What reviewers say

### Price Scanner Barcode

[App page](https://appshunter.io/ios/app/price-scanner-barcode/id728175625)

Scan barcodes and QR codes to find the best prices and coupons online. Compare prices from major retailers, read reviews, and save items to a synchronized shopping list. Access deals based on your location.

**Highlights:** Scan any barcode or QR code, Find best prices online, Access coupons and deals, Compare prices from major stores, Read product reviews, Save to synchronized shopping list, Location-based deals

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ad Free Access | $1.99 | per month |
| Ad Free Access | $12.99 | per year |

**What reviewers like**

- 👍 Useful app for scanning barcodes
- 🚀 Provides accurate price information
- 💡 Helpful for finding deals and returns
- 👍 Easy and simple to use

**What reviewers complain about**

- 🐛 Doesn't work in Canada
- 🔋 Excessive ads and pop-ups
- 🐛 Inconsistent or inaccurate price information
- 🐛 Scanner functionality not reliable

**Reported bugs**

- Crashes and freezes on some devices
- Incompatible with older devices
- Incorrect product information displayed

**Requested features**

- Support for more countries
- Reduce ads and improve user experience
- Improve barcode scanning reliability
- Provide more detailed price comparisons


### Smell Annotator

[App page](https://appshunter.io/ios/app/smell-annotator/id1607528175)

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.

**Highlights:** Smell recognition, Smell digitalization and annotation, Saving and loading measurements, Real-time measurement visualization, Offline data collection, Graph synchronization

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Price Scanner Barcode free?

Price Scanner Barcode is free to download, with in-app purchases available.

### Is Smell Annotator free?

Smell Annotator is free to download, with no in-app purchases.

### Which has better reviews, Price Scanner Barcode or Smell Annotator?

Price Scanner Barcode is rated higher. Price Scanner Barcode averages 4.6 out of 5 from 18K ratings, while Smell Annotator averages 1.0 from 1 ratings.

### Do Price Scanner Barcode or Smell Annotator have ads?

Price Scanner Barcode shows ads; Smell Annotator does not.

### Which is updated more often, Price Scanner Barcode or Smell Annotator?

Price Scanner Barcode ships an update every 2 months, and Smell Annotator monthly. Most recently, Price Scanner Barcode was updated on September 24, 2026 and Smell Annotator on September 14, 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.*