Start with one thing that would make today easier. A task you keep remembering at the wrong moment, a grocery list, or a date you want to make time for. You do not need to fill every part of Tiptoe before it becomes useful.
Create your own account, confirm that you are 18 or older, and set up your shared space. Choose your timezone so reminders make sense where you are. Add household details if you want help finding useful ownership cards.
Brain Dump can turn a few thoughts into suggested items. Read the suggestions, change anything that misses the point, and confirm what you want to save. Nothing is saved just because the AI suggested it.
Invite your partner when you are ready. They join with their own account, and one subscription covers you both. You can use tasks and lists before they arrive.
Finally, pick a weekly check-in day and time. Start small: one appreciation, one thing to plan, and one topic worth talking about. You can adjust your setup as life changes.