See where life goes
A clear monthly story, organized around the things that matter—not accounting jargon.
A calmer relationship with money
Spend with intention. Live with ease.
KakeiMate brings the mindful Japanese art of household budgeting into a beautifully simple shared space.
Private by design · Closed beta by invite
Spent this month
¥186,720
Income can wait. This is the story of where it went.
Income
Not recorded
Vs last month
−8%
Overall budget
68%
Progress
¥186,720 spent¥53,280
Free Japan tax calculator
Japan tax calculator
Estimate 2026 take-home pay, income tax, resident tax, pension and insurance. No login.
One gentle rhythm
Clarity, without the spreadsheet feeling.
Build dreams gradually
Turn savings into visible, achievable milestones you can celebrate together.
Share without friction
One household view, fair contributions, and less mental load for everyone.
From daily life to clear decisions
One simple flow for your whole financial life.
Capture what happened, keep everyone aligned, understand the patterns, and decide what comes next.
Tuesday, September 8, 2026
ESeptember overview
Welcome back, Emi.
PersonalHouseholdAll
Spent this month
¥186,720
Income can wait. This is the story of where it went.
Income
Not recorded
Vs last month
−8%
Overall budget
68%
Progress
¥186,720 spent¥53,280
Last 6 months
Spending over time
Latest entries
Recent activityGroceriesHousehold−¥4,280
UtilitiesHousehold−¥8,900
Quick capture
New transaction
ExpenseIncome
AmountJPY
¥4,280
Category
Groceries
Context
Household
This repeatsEvery month
Coming later · AI preview
Ask before you buy
See the impact first. Then decide how to pay.
A future KakeiMate assistant will be trained and optimized for household money—not generic chat. It can check a purchase against this month’s leftover budget, savings goals, and daily spending, then show whether paying now or splitting it is gentler.
Ask if a purchase fits this month
Compare paying now vs. splitting
See the effect on budgets and goals
Trained to optimize spending, not just answer questions
The model will be trained specifically for expense optimization: leftover budget, payment timing, and the ripple effect on your goals.
KakeiMate
Coming later · AI preview
You ask
I want to buy a Switch this month. How would that hit my finances? Should I pay all at once or split it?
KakeiMate explains
A ¥39,980 Switch fits, but paying all at once would use 86% of your leftover ¥46,320 and leave only ¥6,340 this month. Splitting into 3 payments of ¥13,327 keeps a calmer buffer and delays your Kyoto fund by just 2 weeks.
Pay now
¥6,340 left
Tight month. The emergency fund stays on track, but there is little room for dining or surprises.
Split into 3
¥13,327 / month
Softer impact. You keep ¥32,993 this month and still finish the goal in October.
Future feature · No AI is active in this POC · You choose what may be analyzed
Monthly budget
¥186,720
Spend consciously
A budget that feels like permission, not punishment.
Set calm, flexible guides for each part of life. KakeiMate shows progress at a glance and leaves room for real life.
- Soft alerts before limits
- Personal and shared budgets
- Reflection built into every month
Better together
Your home has one financial story.
Keep your independence while understanding the whole. Switch between personal, household, and combined views in one tap.