I am the creator of wordjelly. firstly i want to thank GregoryRasputin for this post.
I am here to answer some questions about the security part of it.
1. We dont store info lie contacts,emails,sms,reminders,notes etc
The normal apple siri transfers everything to their servers, however we dont do it.
2. If you have a unread message, your phone sends a query to the server which stores the name of the person from which the message has come. This is read out to you when u say "Check my messages"
Thats about all that we store