21D App Support

Welcome to the 21D App Support page!
We’re here to help you get the most out of your 21D experience specifically on our app.

Need Help?
If you’re experiencing any issues with the app, have questions, or want to share feedback, our support team is ready to assist you.
You can reach us anytime at:
appsupport@21d.co.uk

When contacting us, please include:
- The email address linked to your 21D account
- A brief description of the issue
- The device and operating system you’re using (e.g., iPhone 14 / iOS 18.0)
- Screenshots (if relevant)

Common Topics
- Technical problems or bugs
- App performance or crash reports
- Feature requests and feedback

Response Time
We aim to respond to all support requests within 24–48 hours (Mon–Fri).

Thank you for using 21D - we appreciate your support and feedback as we continue improving the app!