About SumSpace

Life is shared. Your whole financial life doesn’t have to be.

SumSpace started from a simple belief: personal finance should stay personal by default, even when parts of life are shared with other people.

Clarity without complexity.

Money tools often ask people to choose between a detailed personal-finance system and a separate shared-expense tracker. SumSpace is being built to make those two parts of life work together without collapsing them into the same thing.

Personal when it is personal. Shared when it is not.

SumSpace keeps personal finance at the center of the product. Shared Spaces sit beside it as a deliberate layer for rent, utilities, trips, household expenses and other responsibilities that genuinely belong to more than one person.

A Space is scoped collaboration, not shared access to someone else’s accounts.

The principles behind the product

Clarity

Financial information should be easy to scan, understand and act on.

Agency

People should be able to choose what is connected, what is shared and what remains private.

Flexibility

Real lives do not all fit the same household model. SumSpace is designed for individuals, roommates, partners, families and groups without assuming one relationship structure.

Connection

Sharing responsibility should not require giving up independence.

Built by Kalyke LLC

SumSpace is a product of Kalyke LLC. The app is currently in pre-release development for iPhone, with a public launch planned for December 2026.