The already popular #nextcloud app for #Deck on iOS appeared in version 1.7
Get it at https://apps.apple.com/de/app/next-deck/id6752478755

Changes:
- Highlight: New home screen widgets for board and card info.
- Add attachments from files or photo library.
- Notifications for overdue cards with configurable options.
- @-mentions in comments, shown correctly in the web UI.
- Board actions: create boards, add/move columns, change board color.

For details see https://help.nextcloud.com/t/ios-app-next-deck-release-1-7-with-many-new-features/240690