Contact
For questions, bug reports, or privacy requests, please email us at the address below.
Contact email
sfcc329@gmail.comWe usually reply within 2–3 days. For bug reports, including your device and browser helps us fix things faster.
Worth checking first
A camera that will not start, or scores that differ every time, is often already answered in the FAQ — camera permissions, lighting and angle conditions, and why measurements fluctuate are all covered there.
See all FAQs →What to include in a bug report
- Your device and browser (e.g. iPhone 15 · Safari, Galaxy S24 · Chrome)
- Which screen you were on and what you tapped when it went wrong
- Any error text shown on screen (no need to send photos of your face)
Privacy requests
You can delete your history and your account yourself from My Page, which also removes the server-side records. For access or correction of other stored information, email us from the address you signed up with and we will reply with the outcome.
Suggestions are welcome too
Exercises you wish existed, topics you want covered, explanations that were hard to follow — all of it helps. Several pieces of content here started as a user email.