Get in touch

We read every message and reply within 2 business days.

Send us a message

Use this form for bug reports, calculator suggestions, or general enquiries.

📩 Email

hello@quicksumapp.com

Replies within 2 business days

📍 Location

QuickSum is an online-only service with no physical office.

❓ Need quick answers?

Check our FAQ for instant answers to common questions.

Browse FAQ

🔐 Legal & privacy

For GDPR data requests or privacy concerns:

privacy@quicksumapp.com