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Dream it. Stack it.
Book it. Share it.

The social travel savings app that takes your trips from Someday to Stacked.

Coming to Android soon.

🇯🇵

Tokyo Trip

$4,000 goal

Remaining

$1,200

Stax Rewards

$150

Family & Friends Chip In

$800

Your Savings

$1,850

Travel Never Had a Savings System

Retirement has the 401(k). College has the 529. Healthcare has the HSA. Each makes saving systematic: automatic contributions, employer matching, tax incentives. Travel has none of that. Saving for travel has come down to willpower and workarounds, mostly alone. But the trips themselves are anything but alone. The people you love want to help fund, cheer on, and be part of the trip. They've never had a real way to do any of it.

Retirement
401(k)
College
529
Healthcare
HSA
Travel
stax

How It Works

Dream it

Build your Wanderlist of dream destinations

Stack it

Get an AI cost estimate. Save toward the goal — friends and family chip in too.

Book it

Book through Stax partners. Earn cashback on eligible bookings.

Share it

Your Stax Passport at stax.cash/@you. Stamps, map, stacks — your travel résumé in one link.

Everything you need to make trips happen

From dreaming to booking, Stax helps you every step of the way.

Smart AI Estimator

An accurate budget for any destination, broken down by flights, hotels, food, and activities and tuned to your travel style. Built with live price data, not guesswork.

Track Your Stacks

Link your bank and Stax tracks every dollar moving toward your goal. Every contribution from you and your squad, shown in real time.

Cash Rewards

Earn Cash Rewards on every booking you make through Stax partners. Earn more when you refer friends. Apply your Rewards toward any Stack to fund your next trip faster.

Social Savings

Save Out Loud. Share your Stack with family and friends, who contribute toward your goal and watch your progress build. Trips funded together tend to happen.

Booking Autopilot

Forward your booking emails to Stax. We pull out the details, link them to the right Stack, and track your spend vs. budget.

Stax Passport

Countries visited, your wanderlist of dream destinations, and the trips you've actually funded. Your travel life in one place, shareable on your profile.

Built for Trust. Stax never holds your money and never moves it without your say-so. Built on Plaid and Stripe — the same infrastructure powering Venmo, Robinhood, Amazon, and Chase.

What a Year of Talking to Travelers Told Us

90%

Couldn't easily estimate trip cost

5 → 1

Replace up to 5 apps with one

100%

Want easy way for crew to chip in

What is Stax

Stax is a free Social Travel Savings app for iPhone. Pick any destination and get a trip cost estimate in minutes. Create a Stack to save toward it, let family and friends chip in, and earn cashback when you book through Stax partners. Your Stax Passport maps everywhere you have been and everywhere you are going.

Questions about Stax

What is Social Travel Savings?

Social Travel Savings is a way to save for a specific trip with help from the people around you. You set a real cost for the trip, save toward it, and let family and friends contribute along the way. Stax is the app built for it, because travel never had a savings system of its own.

Is Stax free?

Yes. Stax is free to download on the App Store. The free plan includes trip cost estimates, Stacks, contributions from family and friends, and your Stax Passport. Premium adds a detailed estimator, up to 2% booking rewards, and unlimited Stacks for $4.99 a month or $49.99 a year.

Does Stax hold my money?

No. Stax never holds your money and never moves it without your say so. Your savings stay in your own bank account. Stax links to your bank through Plaid to track progress toward each Stack, and that link can only read, never move money. Contributions are paid through Stripe straight to your bank.

How can family and friends chip in for my trip?

Share your Stack with a link. Anyone can contribute from the web page with no app needed, and the money lands in your bank account tagged to that trip. You see who chipped in and how close you are to your goal. Stax takes no platform fee on contributions, only standard card processing applies.

How does the trip cost estimator work?

Pick a destination and how you like to travel, from lean to comfortable. Stax estimates flights, lodging, food, and activities using live price data, then turns the total into a savings plan for your Stack. It takes a couple of minutes, and you never have to book anything to see the number.

What is the Stax Passport?

Your Stax Passport is your travel résumé in one link. It maps every country you have visited, the trips you are saving for, and your bucket list on a map and globe you can share at stax.cash/@yourname. It is free for everyone.