Android App Developer for Call/SMS Blocker - 31/03/2026 22:40 EDT

We are building a simple Android application that blocks incoming calls and SMS messages from numbers that are not saved in the user’s contact list. This is an MVP. The focus is on functionality and reliability over complex UI. Future enhancements may follow based on performance.

Timeline: MVP delivery: 2–3 weeks Budget: Open to proposals (fixed price preferred)

Ideal Candidate · Has built similar Android apps (call/SMS handling preferred) · Strong understanding of Android system-level behaviors · Can suggest the best approach for call and SMS blocking within Android restrictions

Screening Questions Please answer these in your proposal: · Have you built apps involving call or SMS handling before? Please share examples. · How will you implement call blocking without requiring the user to set this app as the default dialer? · What is the simplest working approach for SMS blocking on Android 10+? (Default SMS app implications can be noted.) · What challenges do you foresee with latest Android versions (10–14), and how will you address them?

Note to Freelancer: This is an MVP. Focus is on functionality and reliability over complex UI. We want a working product that handles the core use case cleanly. Future enhancements may follow based on performance. Budget: USD 250–750 Skills: PHP, Java, Mobile App Development, Software Development, Mobile App Testing, Kotlin, Android App Development, Android SDK, Android Studio, Android UI Design