# Hamilton Watch Scanner vs Sherlock Holmes Detect

The clearest difference is rating: Hamilton Watch Scanner at 5.0 against Sherlock Holmes Detect's 3.7. Sherlock Holmes Detect's advantage is ratings volume (7 vs 1). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Hamilton Watch Scanner holds the better App Store score, 5.0 against 3.7. That said, the two scores are not equally well evidenced: Sherlock Holmes Detect has 7 ratings behind it against 1, so its average is the more settled of the two.

Hamilton Watch Scanner ships an update every 6 weeks, Sherlock Holmes Detect monthly. The most recent releases landed on October 30, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Hamilton Watch Scanner | Sherlock Holmes Detect |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/hamilton-watch-scanner/id1608906417/reviews)** | [3.7 (7 ratings)](https://appshunter.io/ios/app/sherlock-holmes-detect/id1617998548/reviews) |
| Number of ratings | 1 | **7** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Monthly** |
| Monetization | Free | Free |
| Size | 88 MB | 29 MB |
| Requires iOS | 15.5 | **14.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Hamilton International Ltd.](https://appshunter.io/developer/1587654942) | [Mejix](https://appshunter.io/developer/1524792113) |

## What reviewers say

### Hamilton Watch Scanner

[App page](https://appshunter.io/ios/app/hamilton-watch-scanner/id1608906417)

This app scans the datamatrix of watches in-store for official retailers. It registers watch sales by scanning reference numbers, serial numbers, or datamatrix codes. No customer data is collected during the process.

**Highlights:** Datamatrix scanning, Watch sale registration, Reference number scan, Serial number scan, In-store use, No customer data recorded

**In-app purchases:** none


### Sherlock Holmes Detect

[App page](https://appshunter.io/ios/app/sherlock-holmes-detect/id1617998548)

This application connects to a specialized SH box to analyze diamond images. It uses various illuminations to capture photos and distinguish between natural and lab-grown diamonds.

**Highlights:** Connects to SH box, Bluetooth/cable connectivity, Diamond image analysis, Distinguishes natural vs. lab-grown diamonds, Multiple illumination settings

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Hamilton Watch Scanner free?

Hamilton Watch Scanner is free to download, with no in-app purchases.

### Is Sherlock Holmes Detect free?

Sherlock Holmes Detect is free to download, with no in-app purchases.

### Which has better reviews, Hamilton Watch Scanner or Sherlock Holmes Detect?

Hamilton Watch Scanner is rated higher. Hamilton Watch Scanner averages 5.0 out of 5 from 1 ratings, while Sherlock Holmes Detect averages 3.7 from 7 ratings.

### Do Hamilton Watch Scanner or Sherlock Holmes Detect have ads?

Neither Hamilton Watch Scanner nor Sherlock Holmes Detect shows ads.

### Which is updated more often, Hamilton Watch Scanner or Sherlock Holmes Detect?

Hamilton Watch Scanner ships an update every 6 weeks, and Sherlock Holmes Detect monthly. Most recently, Hamilton Watch Scanner was updated on October 30, 2026 and Sherlock Holmes Detect on October 24, 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.*