Blog

Thoughts on personal finance, building in public, and the story behind Collie.

ProductStoryJune 2026 · 5 min read

Why we built Collie

Most finance apps assume you have one bank account, a fixed salary, and no loans. Real life is messier. Here's why we built something different.

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FinanceGuideJune 2026 · 6 min read

Zero-based budgeting without the spreadsheet

Every euro you earn should have a job before the month starts. We explain the zero-based budgeting method and how Collie makes it effortless.

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FinanceGuideJune 2026 · 4 min read

Sinking funds: the secret to stress-free big expenses

Car repairs. Annual insurance. Holiday flights. These don't have to catch you off guard. A simple monthly reserve makes them painless.

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More articles coming soon. Drop us a line if there's a topic you'd like us to cover.