# ALLIANCE bt vs Source BT

The clearest difference is rating: Source BT at 4.3 against ALLIANCE bt's 2.1. ALLIANCE bt's advantage is ratings volume (79 vs 8) and review sentiment (9% vs 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.

Source BT holds the better App Store score, 4.3 against 2.1. That said, the two scores are not equally well evidenced: ALLIANCE bt has 79 ratings behind it against 8, so its average is the more settled of the two. Written reviews complicate that: 9% of ALLIANCE bt'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.

ALLIANCE bt ships an update every 2 months, Source BT monthly. The most recent releases landed on September 29, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | ALLIANCE bt | Source BT |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.1 (79 ratings)](https://appshunter.io/ios/app/alliance-bt/id1318574131/reviews) | **[4.3 (8 ratings)](https://appshunter.io/ios/app/source-bt/id1498885597/reviews)** |
| Number of ratings | **79** | 8 |
| Positive reviews | **9.1% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | Free | Free |
| Size | 52 MB | 12 MB |
| Requires iOS | **9.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [凯 陈](https://appshunter.io/developer/1631731460) | [CAST Lighting LLC.](https://appshunter.io/developer/1498885596) |

## What reviewers say

### ALLIANCE bt

[App page](https://appshunter.io/ios/app/alliance-bt/id1318574131)

Control smart lighting with features like dimming, grouping, and tunable white options. Create custom scenes and default colors for personalized ambiance. Securely manage your lamps within easy-to-use networks.

**Highlights:** Dimming and grouping, Tunable white (2700K-4000K), RGB color selection, Custom scene creation, Custom default colors, Secured network management

**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 ALLIANCE bt free?

ALLIANCE bt 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, ALLIANCE bt or Source BT?

Source BT is rated higher. ALLIANCE bt averages 2.1 out of 5 from 79 ratings, while Source BT averages 4.3 from 8 ratings.

### Do ALLIANCE bt or Source BT have ads?

Neither ALLIANCE bt nor Source BT shows ads.

### Which is updated more often, ALLIANCE bt or Source BT?

ALLIANCE bt ships an update every 2 months, and Source BT monthly. Most recently, ALLIANCE bt was updated on September 29, 2026 and Source BT on September 20, 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.*