Live edits for everyone
Two people change the same cart at once. Adds, bags, and skips show up instantly — true cart share.
Shared grocery list app · iOS & Android
The Shared Grocery List App for Couples & Small Households
CartTogether keeps one live cart for the weekly shop — so partners and households stop juggling separate notes. Add at home, bag in the aisle, stay in sync on iPhone and Android.
“One of us shops while the other still adds from the couch — and the cart updates before the next aisle.”
Launching soon on iOS and Android.
Instant Sync. Zero Friction.
Built so the person at home and the person in the aisle share the same live cart — not three half-finished notes.
Same cart on every phone
iPhone in the dairy aisle, Android at home — the cart stays identical across devices.
Shop card by card
In the store, swipe one item at a time instead of hunting a long checklist.
Built for Shared Living, Group Gifting & Couples
Couples splitting the weekly shop, roommates sharing household groceries, or friends stocking a trip — one invite, one cart everyone can edit.
Couples
For two phones, one cart
Add from the couch, shop from the aisle — no duplicate avocados, no “I thought you got tomatoes.”
See how it works →Roommates
Household shopping, without the group chat
Everyone contributes what they need. See what’s already covered before anyone hits the store.
See how it works →Group trips
Cabin snacks, party ice, picnic runs
The whole crew feeds one cart in real time — so the person at the supermarket isn’t guessing.
See how it works →How the shared list stays in sync
You don’t merge later. You start cart share once, then both phones stay on the same groceries for the whole shop.
01
Start cart share
Name the cart, add this week’s groceries, and invite a partner, roommate, or trip crew with a link.
02
Everyone contributes
As people add items, the cart updates live. No more screenshots of a notes app.
03
Shop from one place
In the store, bag what you picked up. Everyone watching sees it go in real time.
Why a Shared Grocery List App Beats a Notes App
| Capability | Notes apps | Checklist apps | CartTogether |
|---|---|---|---|
| Live two-person edits | Merge conflicts / duplicates | Often delayed sync | Same cart, instant |
| iPhone + Android | Often locked to one OS | Varies by app | Mixed households OK |
| In-store bag / skip | Manual checkboxes | List-style only | Card-by-card shop |
| Recipe / pantry weight | None | Often heavy | Cart share first |
Guides: why a shared grocery list app is worth it
How two-phone households actually shop — and why notes, Keep, and group chats are the wrong tool for a live list.
A shopping list for couples, not a group chat
Pinned texts fall apart the moment both of you edit. One live shopping list for couples replaces “did you already get milk?”
What “best shared grocery list app” actually means
Live edits on two phones, card-by-card shopping, no recipe or pantry stack. Up to three people on one cart.
iPhone in the store, Android at home
Mixed-phone households can’t share Apple Notes. A shared grocery list app has to work on iPhone and Android together.
A collaborative grocery list everyone can edit
Roommates and small households need more than a shared doc. One collaborative grocery list stays current while people add from different rooms.
Google Keep vs a shared grocery list app
Keep is a notes app. It does not bag, skip, or stay usable while one of you is already walking the store.
Apple Notes vs a live household cart
Notes is great on Apple. Couples and roommates on mixed phones need one cart that is not locked to iPhone.
Most households still coordinate groceries through a notes app, a pinned text thread, or a photo of handwriting. That works until two people edit at once — then you get duplicate avocados, forgotten oat milk, and the classic “I thought you got tomatoes.” A shared grocery list app fixes that by keeping one live cart everyone can edit at the same time.
CartTogether is built for cart share. When your partner adds dish soap from the couch, you see it in the parking lot. When you bag croissants in the bakery aisle, they see the item marked done before checkout. It’s not an export-and-merge workflow — it’s one cart, always current.
That matters for couples splitting the weekly shop, roommates sharing household basics, and small groups planning a trip. Instead of asking “did anyone add ice?” in a group chat, everyone looks at the same place. Up to three people can join, mix iPhone and Android, and stay aligned from planning through the last aisle.
In the store, CartTogether shows items as swipeable cards — one at a time — so you shop the aisle instead of scrolling endlessly. At home, the same cart works like a living document: add during the week, adjust quantities, mark items out of stock, and reuse templates for recurring shops.
If you want a shared grocery list app on iOS and Android, leave your email and we’ll tell you when CartTogether is live in the stores.
Looking for an easier alternative to Bring! or Out of Milk? CartTogether focuses on real-time sync for two — one live cart, without a heavy recipe or pantry workflow.
FAQ
Straight answers if you want groceries you can share — and a cart where two people edit at the same time.
What is CartTogether?
CartTogether is a real-time shared shopping list app for couples, roommates, and small groups. Everyone joins one live cart, then adds, edits, bags, or skips items at the same time on iOS and Android — not a notes app merge, and not a store admin cart tracker for Shopify or WooCommerce.
How to share a shopping cart in real-time?
Create a cart in CartTogether, then share the invite link or join code. Everyone who joins sees the same live cart. Add milk on your phone; it shows up on theirs before you reach the dairy aisle.
Is there an app where two people can edit a cart at the same time?
Yes. CartTogether is a collaborative cart: two or three people can add, edit, bag, skip, or mark items out of stock at the same time. Everything stays in sync live — no texting photos of notes.
Is CartTogether a shared grocery cart for couples?
That’s the core use. Couples keep one shared grocery cart instead of two notes apps. You both add during the week, then shop together — or one person shops while the other still adds from home.
Can roommates share household groceries?
Yes. Roommates share one household cart, add what they need, and see what’s already covered so you don’t buy a third bottle of oat milk.
Is this a shared cart app for iOS and Android?
CartTogether is a shared cart app for iOS and Android. Mix of iPhone and Android in the same household is fine — the collaborative cart syncs across both.
How does group shopping cart live sync work?
Everyone joins the same cart with a code or invite link. Edits stream in as they happen — for weekly groceries, group gifting, or a trip supply run. Up to three people can be on a cart at once.
How does live sync handle two people editing at once?
Each change is applied to the shared cart as it happens—adds, quantity edits, bags, skips, and out-of-stock marks. There is no export-and-merge step. If two people touch different items, both updates appear for everyone. If they change the same field close together, the latest write wins and the cart stays one list, so nobody is left shopping from a stale notes screenshot.
Is CartTogether the same as Cart Together on Google Play?
No. CartTogether is a real-time shared cart app for iOS and Android at carttogether.app. Cart Together on Google Play is a different product made by someone else.
Is CartTogether an alternative to Bring! or Out of Milk?
Looking for an easier alternative to Bring! or Out of Milk? CartTogether focuses on real-time sync for two (or up to three) people on one shared grocery cart — live adds, bags, and skips on iPhone and Android, without a heavy recipe or pantry workflow.
Product updates
Get occasional notes on CartTogether — new features, store updates, and tips for sharing a live grocery cart.
Get launch email
CartTogether is coming to iOS and Android. We’ll email you when store links are live — no ads.