Blog

Notes from building it.

Decisions, trade-offs and the occasional bug worth explaining. Written for people who want to know why the app behaves the way it does.

Product
5 min read
Why we didn't connect to your bank
Automatic import looks strictly better on a feature list. It isn't, and the reason is about attention rather than technology.
Engineering
4 min read
The bug that moved your rent to the 28th
A short story about date arithmetic, and why a rule anchored to the 31st quietly drifts in almost every app that has one.
Product
3 min read
Why the free plan allows five recurring transactions, not three
Three covered rent, salary and one subscription exactly — which turned out to be the problem, not the feature.