BT Light vs Source BT
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
BT Light
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Changing color by smart phone or pad with easy installation, through changing the lighting atmosphere by your finger! Whether common white light of home, colorful lighting for party, atmosphere for watching movie, or reading atmosphere of warm white lighting, all the atmosphere can be create through APP of BLTC color changing lamp series, creating fantastic visual enjoyment.
Source BT
Control intelligent LED spotlights with Bluetooth mesh technology. Adjust RGBW colors, brightness, and color temperature. Program custom lighting scenes for your fixtures.
- Bluetooth mesh control
- RGBW color adjustment
- Brightness and color temperature control
- Fixture grouping
- Custom scene programming
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Intelligent LED color changing spotlight control application by CAST Lighting. Light fixtures are controlled using Bluetooth mesh technology. Functions include full RGBW light control of individual or fixture groupings, step less adjustment of brightness and color temperature according to requirements, and custom scene programming.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | BT Light | Source BT |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.3 (8 ratings) — better |
| Positive reviews | — | 0.0% of reviews |
| Number of ratings | — | 8 — better |
| Update frequency | Every 6 weeks | Monthly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 11.0 — better | 14.0 |
| Further details — not scored | ||
| Size | 27 MB | 12 MB |
| Age rating | 4+ | 4+ |
| Developer | Beautiful Light Technology Corp. | CAST Lighting LLC. |
In-app purchases
BT Light
No in-app purchases
Source BT
No in-app purchases
Questions
Is BT Light free?
Is Source BT free?
Do BT Light or Source BT have ads?
Which is updated more often, BT Light or Source BT?
Other comparisons
