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EyesRhythm
Rhythm Highlights Privacy Journal About
Rhythm Highlights Privacy Journal About

Notices

Open-source notices.

EyesRhythm’s own code is MIT. Selling a packaged copy does not re-license the libraries inside it.

Official Mac and Windows copies include LICENSE, THIRD_PARTY_NOTICES.md, and the texts under licenses/. In the app: Settings → About → Open-source licenses in this copy.

Apache 2.0 — MediaPipe, the Face Landmarker model, OpenCV.

LGPLv2.1 — FFmpeg, shipped inside the OpenCV Python wheel as a replaceable library. EyesRhythm source does not have to be published because of this. The LGPL text travels with the copy.

MIT / BSD — FastAPI, Pydantic, React, Vite, Uvicorn, pywebview, NumPy, and related helpers.

SIL Open Font License 1.1 — Inter. Bundled with the app and this site. The font is not sold on its own.

PyInstaller is a build tool under GPL-2.0 with an explicit exception that allows freezing commercial applications. Inno Setup builds the Windows installer under a modified BSD license.

The Sound-mode alert tone is shipped with EyesRhythm. Practice quotations are public-domain lines from the original list (ancient writers, or authors who died in 1925 or earlier).

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EyesRhythm Blink rate detector for the desk.

Product

Blink rate detector Rhythm Highlights Privacy Journal About

Legal

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Wellness companion, not a medical device. Not intended to diagnose, treat, or prevent disease. If your eyes keep hurting or your vision changes, see an eye doctor.

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Privacy Terms Refunds Notices hello@eyesrhythm.com

Get a copy

Choose one computer

$12 one time. Pick macOS or Windows, not both. You get a unique license key and that OS’s installer by email. Tested on Intel Core i7 and on Mac processors. We recommend this configuration.

$12 one-time · one OS

Which copy?

Choose macOS or Windows. A purchase is for one operating system.