# Sigma Mini vs Coin Scanner

The clearest difference is rating: Coin Scanner at 4.5 against Sigma Mini's 4.0. Coin Scanner also leads on ratings volume (1.4K vs 4) and review sentiment (57% vs 38%). Sigma Mini's advantage is in-app purchases (none vs 16) and ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. Coin Scanner sells 15 in-app purchases, starting at $4.99 per 7 days. Sigma Mini asks for nothing beyond the download.

Coin Scanner holds the better App Store score, 4.5 against 4.0. That said, the two scores are not equally well evidenced: Coin Scanner has 1.4K ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 38% of Sigma Mini's written reviews are positive against 57% of Coin Scanner's.

Sigma Mini ships an update every 2 months, Coin Scanner every 2 weeks. Both last shipped on October 24, 2026.

## The numbers

| Metric | Sigma Mini | Coin Scanner |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (4 ratings)](https://appshunter.io/ios/app/sigma-mini/id1548367153/reviews) | **[4.5 (1.4K ratings)](https://appshunter.io/ios/app/coin-scanner-id-value-checker/id6608977469/reviews)** |
| Number of ratings | 4 | **1.4K** |
| Positive reviews | 37.5% of reviews | **57.2% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Best chart rank | — | **#82** |
| Size | 6 MB | 126 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Richard Bessette](https://appshunter.io/developer/1548367155) | [UMI GEVES LTD](https://appshunter.io/developer/1865170350) |

## 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


### Coin Scanner

[App page](https://appshunter.io/ios/app/coin-scanner-id-value-checker/id6608977469)

**Currently charting:** #82 Top Grossing · Utilities (US App Store)

Instantly identify coins by snapping a photo. Get detailed information on value, rarity, and market trends. Explore numismatic history and learn with expert articles and an AI chatbot.

**Highlights:** AI coin identification, Coin value lookup, Detailed coin specifications, Pricing history and trends, Numismatic chatbot, Educational articles

**In-app purchases (15)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Coin scanner & price tracker | $4.99 | per 7 days |
| Weekly Premium | $4.99 | per 7 days |
| Weekly Trial | $9.99 | per 7 days |
| Coin scanner & price tracker | $9.99 | per 7 days |
| Weekly Offer | $9.99 | per 7 days |
| Monthly Premium | $19.99 | per month |
| Yearly Offer | $29.99 | per year |
| Coin Value Identifier | $39.99 | per year |
| Yearly Trial Premiun | $49.99 | per year |
| Yearly Intro | $49.99 | per year |
| Coin Value Identifier | $49.99 | per year |
| Yearly Premium Commitment | $59.99 | per year |
| Yearly Premiun Access | $59.99 | per year |
| Coin Grading — Lifetime Access | $9.99 | one-time |
| Lifetime access | $59.99 | one-time |

**What reviewers like**

- 🌟 Great knowledge
- 🔍 Awesome coin identifier
- 👍 Easy to use
- 🤩 Fascinating to use
- 💯 Super fast identifier

**What reviewers complain about**

- 💰 Not free, has subscription fee
- 🤖 Fails to recognize basic coins
- 🔒 Difficult to cancel/unsubscribe
- 🚫 Doesn't work as advertised
- 💳 Immediate charges, no free trial

**Reported bugs**

- Constant errors when scanning coins
- Incorrect coin year identification
- App crashes or kicks users out

**Requested features**

- Ability to identify error coins
- Support for more coin types
- Improved accuracy and reliability


## Frequently asked questions

### Is Sigma Mini free?

Sigma Mini is free to download, with no in-app purchases.

### Is Coin Scanner free?

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

### Which has better reviews, Sigma Mini or Coin Scanner?

Coin Scanner is rated higher. Sigma Mini averages 4.0 out of 5 from 4 ratings, while Coin Scanner averages 4.5 from 1.4K ratings.

### Do Sigma Mini or Coin Scanner have ads?

Coin Scanner shows ads; Sigma Mini does not.

### Which is updated more often, Sigma Mini or Coin Scanner?

Sigma Mini ships an update every 2 months, and Coin Scanner every 2 weeks. Most recently, Sigma Mini was updated on October 24, 2026 and Coin Scanner 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.*