TCalc.itContact Us
Last updated: August 2026
Have a question, found a bug, or want to share feedback? We'd love to hear from you. TCalc.it is independently made and we read every message personally.
Email Support
For any questions, billing issues, or feature requests, reach us at:
info@tcalc.itTCalc.it is operated by Michal Kalous, sole trader registered in the Czech Republic (IČO 75181487), Kaprova 42/14, 110 00 Prague 1.
What to Include
To help us respond faster, please include:
- →A clear description of your question or issue.
- →The platform you're using (web or Android).
- →For billing questions, the email address linked to your account.
- →Any screenshots that help illustrate the issue.