Afaict simplex has all the same privacy and anonymity benefits as deltachat, and it might even have more features: simplex has calls, live-text, file transfer, voice messages, out of the box tor integration with client settings and onion address support, tag-sorting for chats, GUI theme customization and export including custom photo backgrounds.
Given that both simplex and deltachat have very similar threat models and architecture its difficult to see why anyone would choose to use deltachat over simplex when simplex has quantum resistance and deltachat does not
#FLOSS #E2EE #PSA #Privacy #Anonymity #SimpleX #DeltaChat #QuantumResistantEncryption