# FLEX Gold™ Vivid vs Source BT

The clearest difference is rating: Source BT at 4.3 against FLEX Gold™ Vivid's 3.0. Source BT also leads on update cadence (monthly vs every 3 months). FLEX Gold™ Vivid's advantage is review sentiment (31% vs 0%) and iOS requirement (11.0 vs 14.0). On price, ratings volume, 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.

Source BT holds the better App Store score, 4.3 against 3.0. Both are backed by a comparable volume of ratings — 21 and 8 respectively. Written reviews complicate that: 31% of FLEX Gold™ Vivid's written reviews are positive against 0% of Source BT's, so the app with the better star average is not the one people write more warmly about.

FLEX Gold™ Vivid ships an update every 3 months, Source BT monthly. The most recent releases landed on September 16, 2026 and July 19, 2026 respectively.

## The numbers

| Metric | FLEX Gold™ Vivid | Source BT |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (21 ratings)](https://appshunter.io/ios/app/flex-gold-vivid/id1370896785/reviews) | **[4.3 (8 ratings)](https://appshunter.io/ios/app/source-bt/id1498885597/reviews)** |
| Number of ratings | **21** | 8 |
| Positive reviews | **30.8% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Monthly** |
| Monetization | Free | Free |
| Size | 4 MB | 12 MB |
| Requires iOS | **11.0** | 14.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [The Toro Company](https://appshunter.io/developer/625274713) | [CAST Lighting LLC.](https://appshunter.io/developer/1498885596) |

## What reviewers say

### FLEX Gold™ Vivid

[App page](https://appshunter.io/ios/app/flex-gold-vivid/id1370896785)

Control your Bluetooth-enabled LED lamps with this utility app. Customize zones, name individual lamps, and adjust color temperature, RGB colors, and dimming levels for personalized lighting.

**Highlights:** Bluetooth enabled control, Zone and lamp naming, Adjustable color temperature, RGB color options, Dimming functionality

**In-app purchases:** none


### Source BT

[App page](https://appshunter.io/ios/app/source-bt/id1498885597)

Control intelligent LED spotlights with Bluetooth mesh technology. Adjust RGBW colors, brightness, and color temperature. Program custom lighting scenes for your fixtures.

**Highlights:** Bluetooth mesh control, RGBW color adjustment, Brightness and color temperature control, Fixture grouping, Custom scene programming

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

**In-app purchases:** none


## Frequently asked questions

### Is FLEX Gold™ Vivid free?

FLEX Gold™ Vivid is free to download, with no in-app purchases.

### Is Source BT free?

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

### Which has better reviews, FLEX Gold™ Vivid or Source BT?

Source BT is rated higher. FLEX Gold™ Vivid averages 3.0 out of 5 from 21 ratings, while Source BT averages 4.3 from 8 ratings.

### Do FLEX Gold™ Vivid or Source BT have ads?

Neither FLEX Gold™ Vivid nor Source BT shows ads.

### Which is updated more often, FLEX Gold™ Vivid or Source BT?

FLEX Gold™ Vivid ships an update every 3 months, and Source BT monthly. Most recently, FLEX Gold™ Vivid was updated on September 16, 2026 and Source BT on July 19, 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.*