Sharing without surrendering
A household's memory is only useful if the household can reach it. A renewal one person tracks is fragile; the same renewal visible to a partner, a parent, an adult child is resilient. So the app has to be shared — that is the whole point.
The usual catch is that "shared" quietly comes to mean "shared with the company too," and the family's private records become someone's dataset. Memoria is built to make the first kind of sharing possible without the second ever following from it.
Encrypted, and kept per household
Memoria is encrypted and family-shared, with each household's records held separately from every other. The documents are visible to the people in that household and isolated from everyone outside it — a boundary set by how the app stores data, not by a promise it makes about behaviour.
This mirrors the pattern across Ekarche: configuration and data live in a per-household encrypted store, so the isolation is structural. It is enforced by where the records sit, not by a policy that could be quietly changed later.
Never the product
The plainest part is the most important. The household's data is never sold and never the product — the business does not run on turning your family's paperwork into someone else's dataset, and it was never designed to.
That is the bet the whole company is built on, and Memoria is one demonstration of it. Memoria is production-ready, with its public launch arriving on iOS and Android; the reasoning is spelled out in the case against selling your data.