Privacy Policy

Last updated: April 2026

Summary: EyeRhythm processes all data locally on your device. No video data, blink patterns, or personal information is ever transmitted to external servers.

Introduction

EyeRhythm ("EyeRhythm", "we", "our", or "us") is committed to protecting your privacy. This Privacy Policy explains how we handle information when you use our application.

Data We Collect

EyeRhythm is designed with privacy as a core principle. The following data is processed and stored locally on your device only:

Camera feed: Used in real-time for blink detection. Video data is processed locally and is never recorded, stored, or transmitted
Blink pattern data: Your blink frequency and patterns are analysed locally to determine when breaks are needed
Wellness scores: Your eye wellness scores and historical trends are stored locally on your device
User preferences: Your notification settings, monitoring preferences, and display configurations

Camera Usage

EyeRhythm requires camera access to monitor your blink patterns. It is important to understand that:

Video data is processed in real-time and immediately discarded
No images or video are ever saved to disk
No visual data is ever transmitted over the network
Camera processing happens entirely on your device
You can stop monitoring at any time

Data Storage

All data is stored locally on your device. Your data:

Never leaves your device
Is not transmitted to any external servers
Is not shared with any third parties
Is protected by your device's security features

No Account Required

EyeRhythm does not require you to create an account or provide any personal information such as your name, email address, or phone number.

Analytics and Tracking

EyeRhythm does not use any analytics services, advertising networks, or tracking technologies. We do not track your usage patterns or collect any anonymous usage data.

Offline Functionality

EyeRhythm works entirely offline. No internet connection is required for any functionality, which further ensures that no data can be transmitted externally.

Data Deletion

You can delete all your EyeRhythm data at any time by:

Clearing your data within the application settings
Uninstalling the EyeRhythm application (this removes all locally stored data)

Children's Privacy

EyeRhythm is not directed at children under the age of 13. We do not knowingly collect any information from children under 13.

Changes to This Policy

We may update this Privacy Policy from time to time. We will notify you of any changes by updating the "Last updated" date at the top of this policy.

Contact Us

If you have any questions about this Privacy Policy, please contact us at:

ben@apalos.co.uk