# OPT7 GLOW vs XK

The clearest difference is update cadence: XK at every 6 weeks against OPT7 GLOW's every 4 months. OPT7 GLOW's advantage is iOS requirement (11.0 vs 15.0). 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.

OPT7 GLOW ships an update every 4 months, XK every 6 weeks. The most recent releases landed on October 24, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | OPT7 GLOW | XK |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.7 (11 ratings)](https://appshunter.io/ios/app/opt7-glow/id6475662855/reviews)** | — |
| Number of ratings | **11** | — |
| Positive reviews | 85.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 6 weeks** |
| Monetization | Free | — |
| Size | 339 MB | 85 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [W Group](https://appshunter.io/developer/1423370524) | [XKGLOW LLC](https://appshunter.io/developer/1022211243) |

## What reviewers say

### OPT7 GLOW

[App page](https://appshunter.io/ios/app/opt7-glow/id6475662855)

Control various RGB lighting products, including strips, bulbs, and in-vehicle lights. Adjust color, brightness, and dynamic modes. Supports music synchronization via local files or device microphone.

**Highlights:** Control RGB strip lights, Control RGBIC strip lights, Control RGB bulbs, Control in-vehicle RGB lights, Adjust color and lightness, Select dynamic modes and rhythm styles, Music synchronization

**Features:** macOS Compatibility

**In-app purchases:** none


### XK

[App page](https://appshunter.io/ios/app/xk-drive/id6738673182)

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

**In-app purchases:** none


## Frequently asked questions

### Is OPT7 GLOW free?

OPT7 GLOW is free to download, with no in-app purchases.

### Is XK free?

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

### Do OPT7 GLOW or XK have ads?

Neither OPT7 GLOW nor XK shows ads.

### Which is updated more often, OPT7 GLOW or XK?

OPT7 GLOW ships an update every 4 months, and XK every 6 weeks. Most recently, OPT7 GLOW was updated on October 24, 2026 and XK on October 27, 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.*