# OTKAX vs GLOWRIUM

The clearest difference is rating: GLOWRIUM at 2.4 against OTKAX's 2.0. GLOWRIUM also leads on ratings volume (35 vs 4). OTKAX's advantage is update cadence (every 3 weeks vs every 2 months). On price, review sentiment, 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.

GLOWRIUM holds the better App Store score, 2.4 against 2.0. That said, the two scores are not equally well evidenced: GLOWRIUM has 35 ratings behind it against 4, so its average is the more settled of the two. Written reviews complicate that: 50% of OTKAX's written reviews are positive against 48% of GLOWRIUM's, so the app with the better star average is not the one people write more warmly about.

OTKAX ships an update every 3 weeks, GLOWRIUM every 2 months. Both last shipped on November 3, 2026.

## The numbers

| Metric | OTKAX | GLOWRIUM |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.0 (4 ratings)](https://appshunter.io/ios/app/otkax/id1671817443/reviews) | **[2.4 (35 ratings)](https://appshunter.io/ios/app/glowrium/id6445907786/reviews)** |
| Number of ratings | 4 | **35** |
| Positive reviews | **50.0% of reviews** | 47.8% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | Free | Free |
| Size | 20 MB | 91 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [水金 陈](https://appshunter.io/developer/1634599571) | [Xingyang Hicent Technology Co., Ltd.](https://appshunter.io/developer/1696882724) |

## What reviewers say

### OTKAX

[App page](https://appshunter.io/ios/app/otkax/id1671817443)

This app connects to your device via Bluetooth to control and test equipment. It also includes a feature to remind users to stay hydrated throughout the day.

**Highlights:** Bluetooth device connection, Equipment control, Equipment testing, Water intake reminders

**Features:** macOS Compatibility

**In-app purchases:** none


### GLOWRIUM

[App page](https://appshunter.io/ios/app/glowrium/id6445907786)

Control smart lighting devices via Bluetooth and Wi-Fi. Customize colors, set scenes, and simulate natural light changes throughout the day. Requires iOS 13.0+ and specific Bluetooth/Wi-Fi versions.

**Highlights:** Bluetooth and Wi-Fi control, Intelligent multi-area control, Spectrum setting and automatic operation, Independent color channel customization, Multi-scene preset lighting, Phased ecological simulation

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

**In-app purchases:** none


## Frequently asked questions

### Is OTKAX free?

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

### Is GLOWRIUM free?

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

### Which has better reviews, OTKAX or GLOWRIUM?

GLOWRIUM is rated higher. OTKAX averages 2.0 out of 5 from 4 ratings, while GLOWRIUM averages 2.4 from 35 ratings.

### Do OTKAX or GLOWRIUM have ads?

Neither OTKAX nor GLOWRIUM shows ads.

### Which is updated more often, OTKAX or GLOWRIUM?

OTKAX ships an update every 3 weeks, and GLOWRIUM every 2 months. Most recently, OTKAX was updated on November 3, 2026 and GLOWRIUM on November 3, 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.*