Yes. Invite them as a member and they can pack, check off, and edit. Viewers can see the trip without changing lists, and can claim a packing list when that’s enabled.
No. Accounts are for adults. Kids and guests are traveler profiles on the trip — packing lists and medical cards, not extra sign-ins.
Yes. Packed lists, documents, and medical cards stay on the device. Changes queue and sync when you’re back online. Photo uploads still need a connection.
The owner shares a link. If Did We Pack is installed, the trip opens. If it isn’t, this website explains how to download the app and come back to the same link.
Free is a solo trial: 1 trip, your packing list, 8 items, bags, a leave-home list, a starter checkout sweep, print or PDF, and 1 overnight stay. Plus adds invites, import itinerary (photo or PDF), extra travelers, unlimited lists, reminders, weather, documents, medical cards, calendar, budget, auto-build, always-pack kit, web pack, driving time, and the home-screen widget, at $1.99/week, $3.99/month, or $24.99/year through the App Store. See pricing.