Lumen Cycle

Get in touch

Contact

Questions, bug reports, privacy queries or early access — any of these reach a person.

Reporting a bug

Telling us what you expected and what happened instead is almost always enough. Please do not send screenshots of your logged cycle data — we do not need it, and we would rather not receive it.

Privacy requests

We hold no personal data, so there is nothing for us to look up, correct or delete on your behalf. Everything the app knows is on your phone: “Export my data” gives you a copy and “Clear all data” erases it. If you would like that confirmed in writing, email us and we will.