# BT Light vs Source BT

The clearest difference is iOS requirement: BT Light at 11.0 against Source BT's 14.0. On price, update cadence, 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.

BT Light ships an update every 6 weeks, Source BT monthly. The most recent releases landed on September 7, 2026 and July 19, 2026 respectively.

## The numbers

| Metric | BT Light | Source BT |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.3 (8 ratings)](https://appshunter.io/ios/app/source-bt/id1498885597/reviews)** |
| Number of ratings | — | **8** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Monthly** |
| Monetization | — | Free |
| Size | 27 MB | 12 MB |
| Requires iOS | **11.0** | 14.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Beautiful Light Technology Corp.](https://appshunter.io/developer/1208902645) | [CAST Lighting LLC.](https://appshunter.io/developer/1498885596) |

## What reviewers say

### BT Light

[App page](https://appshunter.io/ios/app/bt-light/id1347068408)

**Features:** macOS Compatibility

**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 BT Light free?

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

### Is Source BT free?

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

### Do BT Light or Source BT have ads?

Neither BT Light nor Source BT shows ads.

### Which is updated more often, BT Light or Source BT?

BT Light ships an update every 6 weeks, and Source BT monthly. Most recently, BT Light was updated on September 7, 2026 and Source BT on July 19, 2026.

---

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