Split Bills Fairly in
3 Seconds
From couple finances to international travel, automatically calculate complex settlements. No more calculators or note apps needed!
Struggling withmoney matters?
Tateca solves it all!
Perfect for These Moments
Tateca solves "who pays what?" in various situations. Find yours below.
Couples & Marriage
Transparent financesMake rent, utilities, and groceries transparent. See at a glance "How much more did I pay this month?"
Friend Groups
Dinners, BBQs, parksInstantly solve complex splits for dinners, BBQs, and outings. Calculate "who pays what?" in 3 seconds.
International Travel
161 currenciesManage local payments in yen with 161 currencies. Auto-convert Won or Euro—solve "how much do I pay?" anywhere.
Roommates
Shared expensesVisualize expense balance for shared costs. Instantly see who's paying for utilities, supplies, and groceries.
Event Organizers
Participant settlementsEfficiently settle expenses with minimum transactions. Instantly calculate and display "who pays whom how much?"
And More
Any situationSports clubs, office farewells, wedding receptions—solve "who pays what?" in any scenario.
Solve your "who pays what?" in 3 seconds too
Download Free NowYour Friends Already Use It
Whether you have an invite link or not, joining is easy.
I have an invite link
Just tap the link your friend sent you to join their group instantly.
- 1Download the app
- 2Tap the invite link your friend sent you
- 3Auto-join the group and view settlements
I don't have a link yet
Download the app first, then ask your friend to send you an invite link.
- 1Download the app
- 2Ask your friend to open Tateca
- 3Have them send you an invite link via "Invite Members"
3 Simple Steps
Share expenses with Tateca in 3 easy steps
Create a Group
Create groups by purpose—travel, family, friends. Set up 2-10 people freely.
Enter Expenses
Tap "+" on home screen → Enter expense details.
Auto Calculate & Display
Tap "Create" at top right → Expense instantly added to list. Repayment amounts like "○○ pays △△ $X" displayed in real-time.
What Users Say
App Store
“夫婦での割り勘に使っています。非常に使いやすく、助かっています！今回は、旅行先での支払いで特に役立ちました。グループ名の変更ができるようにしてほしいという問い合わせをしたらすぐに実装してくれました。”
八尾日な花ラメや彩陽様かにかや
App Store
“姉妹で立て替えをよくやっていました。LINEでアナウンスしてやってたんですが自分で計算して打たないといけなかったのが無くなり神です‼ 共有して使えるところも最高（どっちもが入力できるから）”
WR0620
App Store
Still Calculating Manually?
It's Tateca Time
Tateca has managed 34K++ shared expenses. Download the magic app that solves money worries in 3 seconds—free now.