# LUX Control vs Voltage Drop Calc NEC

The clearest difference is price: LUX Control at Free against Voltage Drop Calc NEC's $0.99. LUX Control also leads on in-app purchases (none vs 1). Voltage Drop Calc NEC's advantage is update cadence (every 3 days vs every 6 months). On ads, device support and iOS requirement there is nothing between them.

LUX Control is free to download; Voltage Drop Calc NEC costs $0.99 up front. Voltage Drop Calc NEC sells 1 one-off in-app purchase. LUX Control asks for nothing beyond the download.

LUX Control ships an update every 6 months, Voltage Drop Calc NEC every 3 days. The most recent releases landed on October 20, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | LUX Control | Voltage Drop Calc NEC |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[4.9 (73 ratings)](https://appshunter.io/ios/app/lux-control/id1545162572/reviews)** | — |
| Number of ratings | **73** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 3 days** |
| Monetization | Free | — |
| Size | 211 MB | 34 MB |
| Requires iOS | 14.0 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 17+ |
| Developer | [GMLighting](https://appshunter.io/developer/912080004) | [Rizvan Adzhoian](https://appshunter.io/developer/1891746079) |

## What reviewers say

### LUX Control

[App page](https://appshunter.io/ios/app/lux-control/id1545162572)

Control GM Lighting's smart products to customize your home or workspace. Create preset scenes, set schedules, and adjust brightness and color for the perfect ambiance. Compatible with voice assistants.

**Highlights:** Control GM Lighting Smart Products, Create preset scenes, Set schedules, Adjust brightness and color, Voice assistant compatibility (Alexa, Google Home), Control RGBW and V120 tape lights

**In-app purchases:** none


### Voltage Drop Calc NEC

[App page](https://appshunter.io/ios/app/voltage-drop-calc-nec/id6763312448)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Unlock | $2.99 | one-time |


## Frequently asked questions

### Is LUX Control free?

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

### Is Voltage Drop Calc NEC free?

Voltage Drop Calc NEC costs $0.99, and also offers in-app purchases.

### Do LUX Control or Voltage Drop Calc NEC have ads?

Neither LUX Control nor Voltage Drop Calc NEC shows ads.

### Which is updated more often, LUX Control or Voltage Drop Calc NEC?

LUX Control ships an update every 6 months, and Voltage Drop Calc NEC every 3 days. Most recently, LUX Control was updated on October 20, 2026 and Voltage Drop Calc NEC on October 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.*