CONTACT
Write to us.
Email is the best way to reach us. Choose the address that fits your question.
Support
Help with a tool or app
Bugs, questions about how a calculator works, app purchases and restores, and general feedback.
[email protected]Privacy
Your data and requests
Ask what we hold about you, correct it, or delete it. Use the address you submitted with. We answer within 30 days.
[email protected]Quote requests: if you want a contractor to quote your job, send the request from the calculator's quote form. Email us only about the request itself, so we can find it.
Contractors: to ask about Halfton, see the Halfton page and write to [email protected].
We do not offer phone support at the moment.