Sigma Mini vs Sherlock Holmes Detect
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Sigma Mini
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.
- Connects to Sigma Metalytics Mini
- Device interaction and control
- Enhanced functionality for users
- Seamless user experience
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App to be used with the Sigma Metalytics Mini
Sherlock Holmes Detect
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.
- Connects to SH box
- Bluetooth/cable connectivity
- Diamond image analysis
- Distinguishes natural vs. lab-grown diamonds
- Multiple illumination settings
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This app connects your phone to an SH box (purchased separately). Using Bluetooth or cable, the App gives a series of commands to the box. It takes pictures of diamonds and diamond jewelry under different illuminations and analyzes the pictures. The end result enables the user to distinguish between natural diamonds and lab-grown diamonds.
Screenshots
Verdict
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.
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.
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.
| Parameter | Sigma Mini | Sherlock Holmes Detect |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) — better | 3.7 (7 ratings) |
| Positive reviews | 37.5% of reviews | — |
| Number of ratings | 2 | 7 — better |
| Update frequency | Every 2 months | Monthly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 11.0 — better | 14.0 |
| Further details — not scored | ||
| Size | 6 MB | 29 MB |
| Age rating | 4+ | 4+ |
| Developer | Richard Bessette | Mejix |
Customer experience
Sigma Mini
Sherlock Holmes Detect
In-app purchases
Sigma Mini
No in-app purchases
Sherlock Holmes Detect
No in-app purchases
Questions
Is Sigma Mini free?
Is Sherlock Holmes Detect free?
Which has better reviews, Sigma Mini or Sherlock Holmes Detect?
Do Sigma Mini or Sherlock Holmes Detect have ads?
Which is updated more often, Sigma Mini or Sherlock Holmes Detect?
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