I will develop softphone app, linphone app, calling apps, voip app, esim app with sip

J
johnbrockk
J
johnbrockk
John Brock

About this gig

Looking to build a powerful, modern communication app?

I specialize in developing high-quality Linphone and VoIP-based applications tailored for seamless voice and video communication across Android and iOS.

From custom softphone apps to advanced calling platforms, I deliver secure, scalable, and user-friendly solutions designed for real-time communication.

What you'll get:

  • Custom Linphone/VoIP softphone app (Android & iOS)
  • SIP account & SIP trunk integration
  • eSIM integration for modern connectivity
  • HD voice & video calling
  • Secure messaging and encryption
  • User-friendly UI/UX design
  • Push notifications & call management
  • Auto-dialer and contact sync
  • Reliable backend & API integration

Why choose me:

  • Clean, professional UI/UX
  • Scalable and secure architecture
  • Fast delivery & clear communication
  • Ongoing support and updates

Let's bring your communication app idea to life with a reliable and feature-rich solution.

Contact me before placing an order to discuss your project requirements.


Get to know John Brock

John Brock

App Development Expert

  • FromUnited Kingdom
  • Member sinceApr 2026
  • Languages

    English
I am a passionate and detail-oriented App Developer specializing in building high-quality, user-friendly mobile and web applications. I turn ideas into fully functional digital products that are fast, scalable, and visually appealing. With experience across Android, iOS, and cross-platform development, I focus on creating seamless user experiences backed by clean, efficient code. Whether it’s a startup idea, business solution, or custom app feature, I bring creativity, technical expertise, and problem-solving skills to every project.