# uSpectrum MK350D vs Lightcraft Spark

The clearest difference is review sentiment: Lightcraft Spark at 100% against uSpectrum MK350D's 0%. Lightcraft Spark also leads on rating (5.0 vs 3.0) and update cadence (fortnightly vs every 2 months). uSpectrum MK350D's advantage is iOS requirement (8.0 vs 18.0). On price, ratings volume, ads and in-app purchases there is nothing between them.

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

Lightcraft Spark holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 2 and 1 respectively. Written reviews point the same way: 0% of uSpectrum MK350D's written reviews are positive against 100% of Lightcraft Spark's.

uSpectrum MK350D ships an update every 2 months, Lightcraft Spark fortnightly. The most recent releases landed on October 10, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | uSpectrum MK350D | Lightcraft Spark |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (2 ratings)](https://appshunter.io/ios/app/uspectrum-mk350d/id876342072/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/lightcraft-spark/id6761484818/reviews)** |
| Number of ratings | **2** | 1 |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Fortnightly** |
| Monetization | Free | Free |
| Size | 39 MB | 94 MB |
| Requires iOS | **8.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [United Power Research Technology Corporation](https://appshunter.io/developer/1501316337) | [Lightcraft Technology, Inc.](https://appshunter.io/developer/1528805200) |

## 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


### Lightcraft Spark

[App page](https://appshunter.io/ios/app/lightcraft-spark/id6761484818)

Transform your iPhone into a professional virtual production camera. Track movement, composite live action with 3D backgrounds in real-time, and capture takes directly to your project. Ideal for filmmakers seeking advanced tools without extensive infrastructure.

**Highlights:** Real-time camera tracking, One-click live compositing, On-device rendering, Take capture and sync, Import 3D assets, Connect to Spark Story

**Features:** 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 Lightcraft Spark free?

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

### Which has better reviews, uSpectrum MK350D or Lightcraft Spark?

Lightcraft Spark is rated higher. uSpectrum MK350D averages 3.0 out of 5 from 2 ratings, while Lightcraft Spark averages 5.0 from 1 ratings.

### Do uSpectrum MK350D or Lightcraft Spark have ads?

Neither uSpectrum MK350D nor Lightcraft Spark shows ads.

### Which is updated more often, uSpectrum MK350D or Lightcraft Spark?

uSpectrum MK350D ships an update every 2 months, and Lightcraft Spark fortnightly. Most recently, uSpectrum MK350D was updated on October 10, 2026 and Lightcraft Spark on October 11, 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.*