Question 1

Is there an alternative to the Cardi Tech app?

Accepted Answer

Yes — open-cardi is a free, open-source web-based alternative to the Cardi Tech app. It runs in any Chromium browser and controls Cardi K3 / K4 Active Ultra ambient lighting kits over Bluetooth without needing the official Android app.

Question 2

Which Cardi devices are supported?

Accepted Answer

open-cardi supports Cardi K3 Active Ultra and Cardi K4 Active Ultra, plus any ConSmart-family ambient light kit advertising BLE service 0xFFF0 — including iLits, BaoYin, CaChuang, CarL, MTF-LIGHT, AIKON-LIT, Dream, and Flash branded kits.

Question 3

Does the Cardi Tech web app work on iPhone?

Accepted Answer

iOS Safari does not support Web Bluetooth, but open-cardi works on iPhone if you open it in the Bluefy browser (free, App Store).

Question 4

Is open-cardi free?

Accepted Answer

Yes. open-cardi is fully free and open source under the MIT license. It contains no ads, no tracking, and no in-app purchases.

Question 5

Can I install open-cardi as an app?

Accepted Answer

Yes. open-cardi is a Progressive Web App — on Android tap the install button in the header, on desktop Chrome / Edge use the install icon in the address bar.