# uSpectrum MK350D vs Caratify

The clearest difference is review sentiment: Caratify at 100% against uSpectrum MK350D's 0%. uSpectrum MK350D's advantage is price (Free vs $0.99) and iOS requirement (8.0 vs 15.1). On ads, in-app purchases and device support there is nothing between them.

uSpectrum MK350D is free to download; Caratify costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | uSpectrum MK350D | Caratify |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/uspectrum-mk350d/id876342072/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | — |
| Monetization | **Free** | Paid |
| Size | 39 MB | 37 MB |
| Requires iOS | **8.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | +4 |
| Developer | [United Power Research Technology Corporation](https://appshunter.io/developer/1501316337) | [Nikita Aurelian Schulz](https://appshunter.io/developer/1858916652) |

## What reviewers say

### uSpectrum MK350D

[App page](https://appshunter.io/ios/app/uspectrum-mk350d/id876342072)

This portable spectrometer offers easy-to-use lighting analysis for production environments. It features BLE remote control and SD card data storage for efficient workflow and advanced light analytics.

**Highlights:** BLE remote control, SD card data storage, Fast lighting readings, Advanced light analytics, Efficient workflow features

**Features:** macOS Compatibility

**In-app purchases:** none


### Caratify

[App page](https://appshunter.io/ios/app/caratify/id6759229290)

This app offers precise offline tools for goldsmiths and jewelers to calculate material properties, prepare for casting, and manage their precious metal collections. It includes features for density testing, wax-to-metal conversion, purity analysis, and inventory management.

**Highlights:** Density & Specific Gravity Testing, Wax-to-Metal Casting Calculator, Purity & Proportion Analysis, Jewelry Inventory Management, Precision Unit Conversion, Ring Sizing Tools, Offline Functionality

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

**In-app purchases:** none


## Frequently asked questions

### Is uSpectrum MK350D free?

uSpectrum MK350D is free to download, with no in-app purchases.

### Is Caratify free?

Caratify costs $0.99, with no in-app purchases.

### Do uSpectrum MK350D or Caratify have ads?

Neither uSpectrum MK350D nor Caratify shows ads.

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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.*