# Sigma Mini vs Sherlock Holmes Detect

The clearest difference is rating: Sigma Mini at 5.0 against Sherlock Holmes Detect's 3.7. Sigma Mini also leads on iOS requirement (11.0 vs 14.0). Sherlock Holmes Detect's advantage is update cadence (monthly vs every 2 months) and ratings volume (7 vs 2). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Sigma Mini holds the better App Store score, 5.0 against 3.7. Both are backed by a comparable volume of ratings — 2 and 7 respectively.

Sigma Mini ships an update every 2 months, Sherlock Holmes Detect monthly. The most recent releases landed on September 14, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Sigma Mini | Sherlock Holmes Detect |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/sigma-mini/id1548367153/reviews)** | [3.7 (7 ratings)](https://appshunter.io/ios/app/sherlock-holmes-detect/id1617998548/reviews) |
| Number of ratings | 2 | **7** |
| Positive reviews | 37.5% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | Free | Free |
| Size | 6 MB | 29 MB |
| Requires iOS | **11.0** | 14.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Richard Bessette](https://appshunter.io/developer/1548367155) | [Mejix](https://appshunter.io/developer/1524792113) |

## What reviewers say

### Sigma Mini

[App page](https://appshunter.io/ios/app/sigma-mini/id1548367153)

This utility app connects to a specific hardware device for enhanced functionality. It allows users to interact with and control the connected device, providing a seamless experience for its intended purpose. The application is designed for users who own the associated hardware.

**Highlights:** Connects to Sigma Metalytics Mini, Device interaction and control, Enhanced functionality for users, Seamless user experience

**Features:** macOS Compatibility

**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 Sigma Mini free?

Sigma Mini 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, Sigma Mini or Sherlock Holmes Detect?

Sigma Mini is rated higher. Sigma Mini averages 5.0 out of 5 from 2 ratings, while Sherlock Holmes Detect averages 3.7 from 7 ratings.

### Do Sigma Mini or Sherlock Holmes Detect have ads?

Neither Sigma Mini nor Sherlock Holmes Detect shows ads.

### Which is updated more often, Sigma Mini or Sherlock Holmes Detect?

Sigma Mini ships an update every 2 months, and Sherlock Holmes Detect monthly. Most recently, Sigma Mini was updated on September 14, 2026 and Sherlock Holmes Detect on September 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.*