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How we build, ship and host our utility apps and casual games: Expo, React Native, store submission, ads and the web.

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Tutorial October 3, 2026

How We Build and Deploy grisu.co: Astro on Cloudflare Workers

The setup behind grisu.co: Astro builds every page in five languages to static HTML, Cloudflare Workers serves it from the edge, and a merge to master is the whole deploy. Here is the config, and the reasons behind each line.

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Development Insight January 20, 2026

Why We Build Our Mobile Apps with React Native and Expo

How a small studio ships dozens of utility apps on React Native and Expo: one skeleton every app shares, strict TypeScript, pure logic covered by tests, native config kept in app.json, and release builds made locally with Xcode and Gradle.

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Grisú Studio makes about 60 apps and games for iOS and Android: a QR code maker, a debt payoff planner, daily Stoic quotes, emoji quizzes and more. Free to download, with fair ads, and your data stays on your device.

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