Tandem – Your Couple's Shared Brain

What is Tandem – Your Couple's Shared Brain?

Couples juggle Todoist for tasks, Google Calendar for events, and Splitwise for money. That's three apps, three logins, and zero shared context. Tandem replaces all three with one shared space built specifically for two people. Everything syncs in real time — check off a task, add an event, or log an expense, and your partner sees it instantly. It works offline too. No account setup friction — pair with your partner in seconds and start organising life together.