Privacy Policy

Last updated: June 2, 2026

This Privacy Policy describes how PDgo, a product of Xiamen Guangxu Zaodong Network Technology Co., Ltd., handles information when you use the app.

Information used by PDgo

PDgo may use the device camera and related on-device measurement data to estimate pupillary distance. Camera frames and face-related measurement data are used for the measurement workflow and does not upload to our servers for advertising or user profiling.

Measurement records

PDgo may store measurement records on your device so you can review past results. Records may include total PD, left/right PD, time, and an optional name label that you enter.

Support contact

If you contact us by email, we may receive your email address, message content, and any information you choose to provide. We use this only to respond to your request and maintain product support records.

Children

PDgo is not intended to collect personal information from children without appropriate consent. If you believe a child has provided information to us, contact developer@lumaseq.com.

Contact

For privacy questions, contact developer@lumaseq.com.