You can download the free messaging app onto your mobile phone to send and receive messages with full end-to-end encryption. WhatsApp does store some records, including phone numbers used in exchanges, users’ metadata and timestamps.
Similar to WhatsApp, Signal is also a free messaging app with full end-to-end encryption. Unlike WhatsApp, users can also opt to have their messages disappear after a certain length of time. You can download it from the iTunes app store.
You can also send us a letter:
65 Crumlin Road