Edits to multiple entries can be executed using the Multi-Select tool on iOS and Android.
Tap the More (•••) button at the top right and then Select Entries, or swipe on an entry and tap the Checkmark icon to activate Multi-Select.
Once multi-select is enabled, tap the button to the left of each entry to include in the bulk actions. At the bottom there are options to Move to a different journal, Tag, and a More ••• menu for additional options like Edit Location, View PDF, Export, Merge, and Delete.
You can also tap Select All at the top left to select all entries. Tap the center section at the top (2 Selected) to load selected entries in a collection view.
Tap the More icon (•••) at the top right of the Timeline view, then Select Entries. Use the buttons next to the entries to select the desired entries. The options available on Android are Tag, Move, and Trash.