# GVM LED vs Sound dB detector

The clearest difference is iOS requirement: GVM LED at 13.0 against Sound dB detector's 16.0. 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.

## The numbers

| Metric | GVM LED | Sound dB detector |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.2 (5 ratings)](https://appshunter.io/ios/app/gvm-led/id1512358684/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 21.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | — |
| Monetization | Free | — |
| Size | 49 MB | 18 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [丹丹 陈](https://appshunter.io/developer/1437608478) | [Kere Tech](https://appshunter.io/developer/1582785881) |

## What reviewers say

### GVM LED

[App page](https://appshunter.io/ios/app/gvm-led/id1512358684)

Control photography lamps via Bluetooth connection. Adjust settings and manage your lighting equipment directly from your mobile device.

**Highlights:** Bluetooth lamp control, Photography lighting management, App-controlled lighting, GVM product integration

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

**In-app purchases:** none

**What reviewers like**

- 👍 Simple and intuitive control interface
- 🚀 Fast Bluetooth connection when working
- 🎨 Good color control and lighting customization
- 💡 Responsive developers who implement feature requests
- 🔧 Ability to rename lights for easy identification

**What reviewers complain about**

- 🔐 Mandatory account registration and login requirement
- 🐛 Frequent Bluetooth connection failures
- 📧 Verification code delivery delays and failures
- ❌ Cannot control multiple lights independently at once
- 📱 App crashes during device syncing

**Reported bugs**

- Login credentials rejected despite correct password
- Verification code times out before use
- App crashes during device synchronization
- Cannot connect more than one light at a time
- Bluetooth connection drops unexpectedly

**Requested features**

- Remove mandatory login requirement for local Bluetooth control
- Enable independent control of multiple lights simultaneously
- Expand scene customization options beyond 8 presets
- Add keyboard shortcuts and Stream Deck integration for streaming
- Improve color wheel with more granular color selection


### Sound dB detector

[App page](https://appshunter.io/ios/app/sound-db-detector/id6808588097)

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

**In-app purchases:** none


## Frequently asked questions

### Is GVM LED free?

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

### Is Sound dB detector free?

Sound dB detector is free to download, with no in-app purchases.

### Do GVM LED or Sound dB detector have ads?

Neither GVM LED nor Sound dB detector shows ads.

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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.*