Get in touch

Real people, real answers

We respond to every message within one working day. No bots, no tickets disappearing into a void.

How to reach us

Email

support@heatflow.app

We respond within 1 working day, Monday to Friday.

Response time

Within 1 working day

Monday to Friday, 9am–5pm GMT. Someone real will reply — we don't use auto-responders or support ticket queues.

Help Centre

Browse the Help Centre

Find answers to common questions — certificate queries, billing, offline mode — without waiting for a reply.

Apple App Store reviewers: For review purposes, please email support@heatflow.app — we will respond within one business day.

Send us a message