Building PrivacyVault: A Cross-Platform SaaS for Personal Data Privacy (Next.js + Expo/React Native)
Language English اردو العربية Deutsch Français Español 中文 ◐ Dark mode Most privacy tools solve one piece of the problem. Password managers do not scan app permissions. VPNs do not tell you when your email shows up in a breach. So I built PrivacyVault , a full-stack SaaS that does all three in one place: scans for trackers, stores sensitive data, and alerts you to breaches. It runs as a Next.js web dashboard and an Expo React Native mobile app that share auth logic and theming. This is the full write-up, from the idea through to a working MVP. Published March 2026. Updated September 2026. The problem I wanted to solve Three things happen to the average person's data every day, and almost nobody has visibility into any of them: Installed apps hold permissions for location, microphone, and conta...