Download LUCI

Pick your operating system. 100% local, 100% free

Windows

Windows 10 or later · x64

Microsoft Store

Official Windows app — updates through the Store

macOS 13+ · Apple Silicon (M1–M4)

Disk image (.dmg)

Apple Silicon — signed & notarized

Intel Macs aren't supported yet.

Is LUCI free to download?

Yes. LUCI is completely free — no trial, no limits, no credit card.

What are the system requirements?

Windows: Windows 10 or later (x64). Mac: macOS 13+ with Apple Silicon (M1–M4), 8 GB RAM minimum. Both need about 500 MB of disk space.

Where is my data stored?

Everything stays on your device — recordings, transcripts, and memories are never uploaded to the cloud. 100% local, 100% private.

Will LUCI use my data to train AI models?

Never. Your data stays on your machine and is never sent anywhere. We can't use what we never receive.