# Fast Equation Plus vs GVM LED

The clearest difference is price: GVM LED at Free against Fast Equation Plus's $0.99. GVM LED also leads on update cadence (every 2 months vs every 6 months) and iOS requirement (13.0 vs 15.6). Fast Equation Plus's advantage is device support (5 vs 3). On ads and in-app purchases there is nothing between them.

GVM LED is free to download; Fast Equation Plus costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Fast Equation Plus ships an update every 6 months, GVM LED every 2 months. The most recent releases landed on September 30, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Fast Equation Plus | GVM LED |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | — | **[3.0 (4 ratings)](https://appshunter.io/ios/app/gvm-led/id1512358684/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | — | 22.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 2 months** |
| Monetization | — | Free |
| Size | 3 MB | 49 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | **iPhone, iPad, iPod, Mac, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [a Rausa](https://appshunter.io/developer/638439637) | [丹丹 陈](https://appshunter.io/developer/1437608478) |

## What reviewers say

### Fast Equation Plus

[App page](https://appshunter.io/ios/app/fast-equation-plus/id887161077)

**Features:** Apple Watch app, Vision Pro support

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Fast Equation Plus free?

Fast Equation Plus costs $0.99, with no in-app purchases.

### Is GVM LED free?

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

### Do Fast Equation Plus or GVM LED have ads?

Neither Fast Equation Plus nor GVM LED shows ads.

### Which is updated more often, Fast Equation Plus or GVM LED?

Fast Equation Plus ships an update every 6 months, and GVM LED every 2 months. Most recently, Fast Equation Plus was updated on September 30, 2026 and GVM LED on October 17, 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.*