Blog
Notes on expense tracking, freelance and autónomo finances, and building this app.
2026-08-05 · 5 min read
Stop maintaining a spreadsheet just to split business from personal spending
Why the spreadsheet habit breaks down for freelancers and small business owners, and a simpler way to keep business and personal expenses cleanly separated as you go.
2026-08-05 · 6 min read
Modelo 130 for autónomos: what actually counts as a deductible expense
A practical walkthrough of what Spanish freelancers need to track for their quarterly IRPF filing — and the record-keeping habit that makes it painless.