Plan the trip
together.
Remember all of it.
Stay Until Sunday turns a group chat and a dozen half-made plans into one shared trip — decide where to go together, get an AI-drafted itinerary your crew shapes, pack smart, and split every expense fairly.
Free to plan your first trip · iOS & Android
Itinerary
Big Sur, CA · 3 days planned
Sunrise at Pfeiffer Beach
8:30Pfeiffer Beach · 45 min
Nepenthe brunch
10:00Reserved for 4
McWay Falls hike
1:00Big Sur · easy trail
One app for the whole trip
From the first idea to the final receipt, every part of planning together lives in one calm, shared place.
Not sure where to go? Decide it together
Start a trip before you’ve picked a place. Tell Stay Until Sunday your dates and who’s coming, and it suggests destinations that actually fit — then the whole crew votes one up. Once it’s locked in, the itinerary builds itself.
- AI destination picks for your dates
- Crew votes, then the plan generates
Where should we go?
AI picks for your dates · crew votes
Big Sur, CA
LeadingCoast drives, redwoods, cliffside dinners
Santa Fe, NM
Art, high-desert hikes, green chile
Sedona, AZ
Red rocks, easy trails, stargazing
A day-by-day plan, drafted in seconds
Once the destination’s set, Stay Until Sunday drafts a realistic itinerary — timed stops, meals, and travel — that your crew votes on together.
- Smart, time-aware scheduling
- Ask for a change and it redrafts
Itinerary
Big Sur, CA · 3 days planned
Sunrise at Pfeiffer Beach
8:30Pfeiffer Beach · 45 min
Nepenthe brunch
10:00Reserved for 4
McWay Falls hike
1:00Big Sur · easy trail
Every trip gets its own room
No more scattered texts. Each trip has a dedicated chat, so plans, links, and “we’re here” moments all live in one place the whole crew can find — and a tap adds an emoji reaction to any message.
- One thread per trip
- Emoji reactions on any message
Big Sur, CA
4 members
Maya added Nepenthe to the itinerary
Maya
Just landed! Uber to the house?
On my way — grabbing snacks 🥨
Dev
Vote is up for dinner spot 👀
Decide together, not in the group chat
Put it up for a vote anywhere the crew makes a choice — the dinner spot, a restaurant on the shortlist, a recipe to cook, the departure time. Everyone weighs in with one tap, notes keep the context, and the plan reflects what the crew actually wants.
- One-tap voting on plans, restaurants & recipes
- Notes on itinerary plans keep the why attached
Itinerary
The crew shapes the plan together
Dinner at Nepenthe
7:00Cliffside · $$$
Dev M.
Nepenthe books out — let’s lock it tonight.
Maya
Cliff table if we can! 🌅
Pack for the forecast, plan the meals
A shared checklist that reads the weather for your dates and nudges the right gear. Planning meals too? Type a dish and get a full recipe with its ingredients on a shared grocery list — and anyone can claim an item, so nobody brings two coolers.
- Forecast-driven packing suggestions
- Claim grocery items so nothing is bought twice
Packing & Meals
Essentials
Shared
Scan a receipt, settle up fairly
Snap a photo of the receipt and Stay Until Sunday reads the total and splits it across the crew automatically — so everyone knows exactly who owes what by the time you get home.
- Receipt scanning → auto-split
- Running balance for the whole trip
Receipts & Splits
Big Sur, CA
Settle up
Maya owes you
$30.70Scan a receipt
Snap it — we split it automatically
Groceries
You paid · $35.70 each
Gas
Maya paid · $15.35 each
Find the good stuff, swipe to shortlist
Discover restaurants and activities near your trip with a swipe deck and map. Saved places land on a shared shortlist the whole crew can vote up or down — so the list is built by everyone, not just the planner.
- Swipe deck + map view
- Vote crew picks up or down together
Dining & activities
Swipe right to save, or search
Sunset Point Grill
Seafood · $$ · 0.4 mi
From group chat to great trip in four steps
Set it up in minutes. The planning that used to take a week of back-and-forth happens in one shared place.
Start a trip
Set the dates — even if you haven’t picked a place. Know where you’re going? Add it. Not yet? Let the crew decide together first.
Invite your crew
Send an email invite. One tap opens the app and drops them straight into the trip.
Plan together
Chat, vote on the details, build the packing list, and shortlist places — as a group, in real time.
Split it fairly
Scan receipts as you go. Everyone leaves knowing exactly who owes what — no spreadsheet.
Is Stay Until Sunday free?
You can create your first trip and plan with your crew for free. We’re still finalizing the details of any premium features — there’s nothing to pay to get started.
What platforms is it on?
Stay Until Sunday is a mobile app for iPhone and Android, and it’s live on both — download it on the App Store or Google Play.
What if we haven’t decided where to go yet?
That’s fine — you can start a trip with just the dates. Stay Until Sunday suggests destinations that fit your dates and crew, everyone votes on the options, and once you lock one in it drafts the itinerary from there.
How many people can join a trip?
It’s built for groups — couples, families, and larger crews alike. Invite everyone by email and they can join with a single tap.
Do my friends need the app to join?
Yes — invites open the Stay Until Sunday app so everyone plans in the same place. If they don’t have it yet, they’ll need to install it first and then open the invite link again.
How does expense splitting work?
Snap a photo of a receipt and the app reads the total and splits it across your crew automatically. You get a running balance for the whole trip, so settling up at the end is effortless.
How does the AI itinerary work?
Once your destination is set — whether you picked it or the crew voted on it — tell it your dates and who’s coming, and it drafts a realistic day-by-day plan. Everything is a starting point: your crew edits, votes, and reshapes it, and the plan adapts.
Is my trip data private?
Your trips are visible only to the crew you invite. See our Privacy page for how data like trips, receipts, and photos is handled.
Your next trip is waiting
Gather the crew, plan it together, and split it fairly. Stay Until Sunday keeps the whole trip in one calm place.