signing in
sign in with apple, with google, or with an email code. there is no password.
signing out
open settings (tap your picture at the top of the home screen) and choose log out. your saved posts stay on your phone. if a different person signs in on this phone, the previous library is cleared first, so one person's posts never show up in another account.
display
in settings, display choose system, light or dark.
a new phone
sign in with the same account. if you had cloud backup, postpalm offers to download your posts. see cloud backup.
delete your account
open settings, account, delete account and confirm. postpalm then removes your cloud files, your account's records and your login, and clears the library on this phone. this can't be undone.
apple controls subscriptions. cancel it in the iphone settings app (your name, then subscriptions) before or after deleting your account.