# Metalynx vs STS Refiners Inc

The clearest difference is update cadence: STS Refiners Inc at monthly against Metalynx's every 20 months. STS Refiners Inc also leads on iOS requirement (12.0 vs 15.0). On price, rating, review sentiment and ratings volume there is nothing between them.

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

On the App Store both sit at effectively the same score — 4.9 for Metalynx against 5.0 for STS Refiners Inc. Both are backed by a comparable volume of ratings — 8 and 5 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Metalynx ships an update every 20 months, STS Refiners Inc monthly. The most recent releases landed on August 26, 2026 and June 10, 2026 respectively.

## The numbers

| Metric | Metalynx | STS Refiners Inc |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.9 (8 ratings)](https://appshunter.io/ios/app/metalynx/id613591018/reviews) | **[5.0 (5 ratings)](https://appshunter.io/ios/app/sts-refiners-inc/id1518780708/reviews)** |
| Number of ratings | **8** | 5 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 20 months | **Monthly** |
| Monetization | Free | Free |
| Size | 41 MB | 140 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Kitco Metals Inc](https://appshunter.io/developer/298687561) | [STS GOLD REFINERS INC.](https://appshunter.io/developer/1518613964) |

## What reviewers say

### Metalynx

[App page](https://appshunter.io/ios/app/metalynx/id613591018)

This app helps precious metal professionals instantly calculate dimensions and weights for gold, silver, and platinum items. It supports multiple purity levels, units of measurement, and provides live market prices and charts.

**Highlights:** Automatic dimensional calculations for precious metals, Supports multiple purity levels for gold, silver, platinum, Customizable units for weight and dimensions, Live market prices and London Fix data, Technical and historical charts, Multi-language support (English, French)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### STS Refiners Inc

[App page](https://appshunter.io/ios/app/sts-refiners-inc/id1518780708)

This B2B platform provides businesses with tools for precious metal refining. Calculate scrap prices for gold, silver, and platinum, view live market data, and receive custom payout rates. Set price alerts and use unit conversions with sharing and push notification options.

**Highlights:** Scrap price calculation for gold, silver, platinum, Live market prices and London Fix, Price alerts and notifications, Unit conversions, Custom payout rates for registered users, Shareable data

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Metalynx free?

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

### Is STS Refiners Inc free?

STS Refiners Inc is free to download, with no in-app purchases.

### Which has better reviews, Metalynx or STS Refiners Inc?

STS Refiners Inc is rated higher. Metalynx averages 4.9 out of 5 from 8 ratings, while STS Refiners Inc averages 5.0 from 5 ratings.

### Do Metalynx or STS Refiners Inc have ads?

Neither Metalynx nor STS Refiners Inc shows ads.

### Which is updated more often, Metalynx or STS Refiners Inc?

Metalynx ships an update every 20 months, and STS Refiners Inc monthly. Most recently, Metalynx was updated on August 26, 2026 and STS Refiners Inc on June 10, 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.*