Late to the party but I absolutely love GiftHero for weddings! Its honestly so amazing for local shops. Just a huge heads up tho... watch out for apps...
Building on the earlier suggestion, I have tested many sync tools over the years. Before I get into technical details, are you both using the same pho...
Like someone mentioned, it is honestly ridiculous how much effort we have to put into just buying stuff for a trip! I love the energy of a DIY camping...