The problem always started the same way.
I'd be at the office. My wife would be at home with the kids. Somewhere in the afternoon, my phone would start buzzing.
A WhatsApp link to a Facebook video she thought I'd like. A minute later, "can you grab mozzarella on your way home?" Ten minutes after that, a photo of what the kids were up to. Twenty minutes later, "oh, and yogurt." Then a totally unrelated thing about her day. Then, folded somewhere in the middle: "we're out of toilet paper — really need this."
By the time I stopped at the store on my way home, I'd be standing near the entrance scrolling up through forty messages trying to figure out what actually made the list. The Facebook link. The kid photo. A half-conversation about her sister. An item somewhere in there. Another item two scrolls later. Meanwhile a cart queue formed behind me.
Sometimes I missed one. Sometimes I missed the one, got home, put the bags on the counter, and watched my wife's face fall as she asked about the toilet paper. Back to the car.
The worse version was when a message arrived while I was already inside the store. Supermarkets are concrete boxes — the signal dies somewhere between the bread aisle and the freezers. I wouldn't hear my phone over the store music, and even if I had, the message hadn't actually arrived yet. I'd check out, walk out through the automatic doors, and then my signal would come back and a delayed notification would drop in: "hey also pick up milk." Back inside.
There was nothing weird about any of this. Every couple I knew ran on some version of the same WhatsApp-plus-mental-list routine. I tried shared Notes — we never kept them in sync. I tried existing shopping list apps — the good ones required accounts for both of us and buy-in we never had the energy for, and the free ones broke the moment my phone lost signal in the dairy section.
I kept waiting for a fix and eventually realized that wasn't going to happen.
Listo does three things, and only three:
- One shared list per household, updated instantly. She adds "toilet paper" and it's on my phone within a second — not buried inside a thread, just on the list. No chat, no scrolling, no hunting.
- It works offline. If reception dies between aisles, the app still lets me check items off. When I walk out and reconnect, it syncs what I did and what she added while I was in there.
- Just groceries. No meal planner. No social feed. No calendar. Open the app, see the list, shop, check things off, done.
That's the whole pitch.
I'm a solo developer. Listo isn't backed by a team, a VC, or a growth person. It's one guy who got tired of U-turning on the way home from the store. Every design choice is mine, every bug is mine, every email reply is mine. I kind of like that — there's no product committee to convince that "remembering toilet paper" is worth shipping.
If you've ever been the person at the cart trying to reconstruct a shopping list from a WhatsApp thread, I think you'll like Listo. It's free, works on iPhone and Android, and the whole thing fits in your pocket without opinions about what you eat for dinner.
If something doesn't work the way you'd expect, email me at support@rolisto.com. I read every message.
— Andrei