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Why we build local-first

Originally published on MOMUS DEV

Most apps today treat your data as their asset. It lives on their servers, it trains their models, and it disappears the day you stop paying. We build the opposite.

Every product from MOMUS DEV runs local-first: your data lives on your device or your own infrastructure, the app keeps working offline, and there are no accounts to mine. When we charge, we charge once — you buy the tool, you own the tool.

That single decision shapes everything: no advertising frameworks, no third-party trackers, no “engagement” dark patterns. The only person a solo-funded product answers to is the person who bought it. That’s not a marketing angle; it’s the architecture.

If you’ve ever been burned by a tool that got worse, got acquired, or got shut down, you already understand why we do it this way.