SumlaOpen Sumla

A shared cash book for people and places

Keep the money legible.

Expenses on the left, who owes what on the right, and every settlement in its proper place.

Open Sumla

One book, two kinds of place

A group is a table.
A direct ledger is a conversation.

Keep a household or trip together, while one-to-one spending stays exact about the two people involved.

Group ledger

The Shore House

Four people, one weekend, every share visible.

MALEJOYU
Friday market
€126.80
Cab fare
€34.00

Direct ledger

Mara & you

A two-person line of account, only live once both agree.

WaitingLiveboth names accept the same book
Tickets
€42.00
Dog sitter
€36.00

No mystery totals

Every balance has its sources.

Open a number and see the contribution, allocation, and confirmed settlement that make it up. Signed amounts show plainly whether a line adds to or reduces the position.

MARA’S SIGNED POSITIONEUR
Mara contribution · Sunday dinner
€68.00
Your allocation · Sunday dinner
€22.67
Confirmed settlement
€30.86
Mara’s signed position€14.47
€10.00 ÷ 3Exact split
MA€3.34
LE€3.33
YU€3.33

One cent is assigned visibly. Nothing drifts.

Exact to the cent

The book has no “close enough.”

Sumla divides using integer cents. The preview shows where the unavoidable remainder goes before an expense is recorded.

A settlement is a small ceremony

Request → sent → confirmed.

Sumla records a clear handoff: request what is owed, mark it sent, then confirm it together. The book stays clear while you settle in the way you choose.

SETTLEMENT STATUS€14.47

  1. 1REQUESTED€14.47 is waiting for a response.
  2. 2SENTThe payer marks it sent.
  3. 3CONFIRMEDThe recipient closes the line.

One clear account

Open a book for the people in it.

Start with a household, a trip, or a two-person tab. Keep every entry, share, and settlement in its proper place.

Open Sumla