IN DEVELOPMENT · iOS & ANDROID

Life together.
Money, a little
clearer.

Keep your own records. Share the living costs.
Make room for the life behind the numbers.

Prelaunch. General downloads are not open yet.

MINE
& OURS
Jalsseum showing separate personal and shared ledgers
Actual app · sample data

KEEP WHAT’S PERSONAL, PERSONAL.

A shared budget.
Space for yourself.

A shared ledger for shared costs. A personal ledger for your own spending. Choose the right place before you record.

A CLOSER LOOK

Four ways to make it yours.

Your own records.
A budget together.

Keep your personal ledger separate from the shared one. Invite others to record household costs, with viewing and editing permissions you can check.

Korean & English UI · KRW budgets · sample data

Jalsseum showing separate personal and shared ledgers

FIRST LOOK / 00:30

Less typing.
More living.

Thirty seconds of Jalsseum in use, with Korean captions and real app screens. No sound is needed.

  1. 00:05Review a message
  2. 00:13Personal and shared ledgers
  3. 00:18Check the budget
Watch on YouTube ↗Download the preview ↓

BUILDING JALSSEUM

Follow the making.

Small improvements, real app screens, and what we are preparing next.

Read the devlog ↗
2026.10.13 · 01

A first look at everyday money, together.

Screens, a short film, and our next steps →

YOUR EVERYDAY, OUR NEXT STEP

What would make
your budget easier?

Tell us what you want to try and which device you use. We will explain current early-access availability by email.

Ask about early accessFollow Jalsseum on YouTube ↗Follow on Instagram ↗Join the conversation on Threads ↗Follow updates via RSS

Korean & English interface. Budgets are currently based in KRW. Country availability and pricing will be announced when ready.