Start from the calculator
Calculate an expense, save the final amount, or turn parenthesized formulas into expense items before the bill is even created.
Fast mathExpense saveFormula transform
Calculator-first bill splitting
Split bills
with friends,
brighter.
Octer makes sharing expenses effortless. Calculate first, save expenses in seconds, split bills with friends, and settle up without awkward math.
NPTKPRLS
158 bills tracked in Octer
OcterNew Bill+ Group
Bill ViewGroup View
Dinner at Khao Soi
by You
YNT
Grab to Doi Suthep
by Nim
YN
The Nimman Resort
by You
YNTP
Graph Cafe
by Tae
YNT
You're owed
฿3,705.50
Bills
Finance
Settings
FinanceMay 2026
You are owed
฿3,705.50
from completed bills
By Category
Food฿1,840
Stay฿5,800
Transport฿450
Drinks฿840
To Settle
NNim→ You
฿1,050TTae→ You
฿1,575PPrae→ You
฿1,080Bills
Finance
Settings
158
Bills Created
From saved bills
฿222,121
Total Amount Shared
From saved items
198
Shared Bills
Visible bill spaces
Core Features
Everything you need to
share costs with ease
Five powerful tools that make Octer the friendliest way to split any expense.
Fast bill entry for quick sharing
Type an amount, choose who paid, and save. Octer splits it before you put your phone down, with categories and notes when you need them.
Instant splitCategoriesQuick entry
Import expenses into bills
Select saved expense items, add them to a split bill, and keep source differences reviewable before syncing.
Expense importReview changesOne-tap sync
Finance totals
See total expenses and income, then save fixed bill payments or received money back into finance when a bill completes.
Expense totalIncome totalBill exports
Split your way
Every expense is different, so Octer gives you four ways to split. Divide equally, set percentages, enter exact amounts, or assign portion weights.
EqualPercentExactPortion
÷EqualDivide the total evenly across all members
%PercentSet a custom percentage for each person
฿ExactEnter a precise baht amount per person
2xPortionAssign share weights for different appetites
Start for free
Ready to split smarter
with Octer?
Join friends already using Octer to track 158 bills. Your first expense is free and takes under 30 seconds to save.
No credit card required · Cancel anytime