# uSpectrum MK350D vs FlexEasy

The clearest difference is update cadence: FlexEasy at monthly against uSpectrum MK350D's every 2 months. uSpectrum MK350D's advantage is iOS requirement (8.0 vs 13.0). On price, ads, in-app purchases and device support there is nothing between them.

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

uSpectrum MK350D ships an update every 2 months, FlexEasy monthly. The most recent releases landed on October 4, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | uSpectrum MK350D | FlexEasy |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/uspectrum-mk350d/id876342072/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | Free | — |
| Size | 39 MB | 78 MB |
| Requires iOS | **8.0** | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 9+ |
| Developer | [United Power Research Technology Corporation](https://appshunter.io/developer/1501316337) | [Shanghai Flexem Technology Co.,Ltd.](https://appshunter.io/developer/1043548513) |

## 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


### FlexEasy

[App page](https://appshunter.io/ios/app/flexeasy/id6743427549)

**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 FlexEasy free?

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

### Do uSpectrum MK350D or FlexEasy have ads?

Neither uSpectrum MK350D nor FlexEasy shows ads.

### Which is updated more often, uSpectrum MK350D or FlexEasy?

uSpectrum MK350D ships an update every 2 months, and FlexEasy monthly. Most recently, uSpectrum MK350D was updated on October 4, 2026 and FlexEasy on October 6, 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.*