# GYEON PRISM vs Glossmeter

The clearest difference is ads: GYEON PRISM at none against Glossmeter's shown. GYEON PRISM also leads on iOS requirement (10.3 vs 15.0). On price, update cadence, 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.

GYEON PRISM ships an update every 11 months, Glossmeter every 6 months. The most recent releases landed on October 20, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | GYEON PRISM | Glossmeter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/gyeon-prism/id1468889387/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 11 months | **Every 6 months** |
| Monetization | Free | — |
| Size | 18 MB | 376 MB |
| Requires iOS | **10.3** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Scangrip](https://appshunter.io/developer/1119059785) | [Screening Eagle Technologies](https://appshunter.io/developer/1515215362) |

## What reviewers say

### GYEON PRISM

[App page](https://appshunter.io/ios/app/gyeon-prism/id1468889387)

Control Scangrip Prism Multi lamps via Bluetooth. Adjust brightness and color temperature, manage multiple lamps, and secure access with a PIN. The app automatically reconnects to previously used lamps.

**Highlights:** Bluetooth lamp control, 5-step dimming (10-100%), 5-step color temperature adjustment (2500-6500K), Control up to 4 lamps simultaneously, Synchronized control by up to 2 phones, Lamp renaming, PIN code security

**In-app purchases:** none


### Glossmeter

[App page](https://appshunter.io/ios/app/glossmeter/id1491697382)

**In-app purchases:** none


## Frequently asked questions

### Is GYEON PRISM free?

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

### Is Glossmeter free?

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

### Do GYEON PRISM or Glossmeter have ads?

Glossmeter shows ads; GYEON PRISM does not.

### Which is updated more often, GYEON PRISM or Glossmeter?

GYEON PRISM ships an update every 11 months, and Glossmeter every 6 months. Most recently, GYEON PRISM was updated on October 20, 2026 and Glossmeter on October 25, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*