Perch: Packing List for Trips

Every business trip, something ends up in your bag that was already waiting for you at the other end. Perch works differently: it remembers what's already at each place you keep going back to, then works out what this trip actually needs. To pack = (packing template × days) − (what's already there) ■ A live inventory for each base Set up "the Shanghai flat", "the dorm in Thailand" or "my parents' place" as bases, each with its own list of what's there. Add items by typing, voice or photo. Mark consumables like toothpaste or contact-lens solution and set a low-stock threshold. ■ Delta packing (the part no one else does) Pick a base and dates; the number of days is worked out for you. Per-day items scale with the trip — four days means four of each. Anything already at the base stays off your packing list and goes into a collapsible "Already there" section, so you can leave it behind with…