Contact
Contact Us
We'd love to hear from you, whether it's a question, a bug, a puzzle idea, or a note from a young detective.
We read every message and usually reply within a few days.
Helpful to include
- For app questions: your device (for example, iPhone 15 or iPad Air) and what you were doing.
- For a puzzle question: the Case number, such as "Case #26" or "Case 3-5".
A note for grown-ups
Checkmutt is made for kids. We don't collect personal information, and we ask that children get a grown-up's help before writing to us. See our Privacy Policy and Help & Support page.