Dev Tools · 2h ago
How a solo dev built a React Native SDK for a super-app with 800K daily users
Kwaaka embedded a restaurant-coupons module into Onay, a Kazakhstan super-app with 800K daily active users, using React Native. The SDK runs as a third-party component with no root navigation, using Effector for state management and a custom OTA update system via Cloudflare R2. A single unhandled exception could crash the host app, so the developer implemented SHA-256 verification and tiered update checks every 5-30 minutes.
Meridian48 take
The OTA update system bypassing App Store review is clever, but the real story is the engineering discipline required to make React Native safe inside a mission-critical host app.
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Building a React Native SDK Inside a Super-App with 800K Daily Users →
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