Use the same server URL and sync code on your Mac and iPad and they will share one set of data. Treat the code like a password: anyone who has it can read your data.
Reminders
Enable reminders
Notifies you if items are still unchecked at the set time (works while this app is open, or in the PWA added to your home screen).
Pomodoro alarm sound
Notify while app is closed
Data
Takes a Tempo backup (.json), a study-plan task list (.json array), or a Google Calendar export (.csv). A plan is added onto your existing days — nothing is erased, and importing the same file twice changes nothing.