Hi Product Hunt! 👋 I’m the maker of PaSS. I built this app out of personal frustration after moving to Android 12. I realized that many of the classic 'Prefixer' apps I relied on for years had stopped working, and standard Android didn't offer the control I needed for my daily workflow. I wanted a single, privacy-focused tool that could handle both my outgoing calls and my incoming peace of mind. PaSS solves this with three core pillars: - Smart Prefixing: Automatically add carrier codes or privacy prefixes (like *31#) based on contacts, groups, or time of day. - Intelligent SIM Routing: It eliminates the "Which SIM?" pop-up by automatically selecting or redirecting calls to the correct line in the background. - Powerful Call Screening: This is the 'Focus Guard'—it filters incoming calls based on your own rules. You can block unknown numbers, send specific groups to voicemail during weekends, or change your availability based on your Calendar or Wi-Fi/Bluetooth connection. The best part? It's 100% Local. No servers, no tracking, and no data collection. Everything stays on your phone. I'd love for you to try it out! There’s a 30-day free trial so you can see if it fits your workflow. Looking forward to your feedback! 🚀

PaSS: Prefixer, SIM Selector & Screener

Smart call prefixing & Dual SIM routing for Android privacy

Smart call prefixing & Dual SIM routing for Android privacy