This question gets asked a lot so I made this thread
As of Thursday, April 11, 2019 “Episode is NOT able to transfer Episode Accounts between Android and iOS devices.”
You can read more here:
However, even though you can’t transfer your Episode account (which includes your reading history, favorite stories, purchases, daily challenge streak progress, passes, gems, etc.) your Episode Profile (which is your email login, and has your stories you have written, your social feed, your profile page with the stories you have recommended and it’s the same as your Writer’s Portal account, etc.) can be transferred over by asking support
Submit a ticket to them, explaining your situation:
https://episodesupport.zendesk.com/hc/en-us/requests/new
P.S Here’s how to locate your Support ID:
GOOD LUCK!