Collect e-mails of your event's participants using iPad. Let participants enter their e-mail address using simple interface and access collected entries from back-end of the app as list (entry per row) or in comma-separated values.

- Code-protected (4-digits) back-end to prevent unauthorised access.
- Data are saved in persistent storage after each manual entry.
- Customisable prompt phrase and post-submit message.
- Optional check of correct e-mail address format.