I will build linphone app,esim app, virtual phone number app, mobile data app,textnow

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zionrobbin
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zionrobbin
Zion R
build linphone app,esim app, virtual phone number app, mobile data app,textnow
Full Screen
build linphone app,esim app, virtual phone number app, mobile data app,textnow
Full Screen
build linphone app,esim app, virtual phone number app, mobile data app,textnowbuild linphone app,esim app, virtual phone number app, mobile data app,textnow

About this gig

Are you looking to develop a powerful communication or telephony app like TextNow, Linphone, or an eSIM mobile data app?

You're in the right place! I specialize in building custom VoIP, SIP, and eSIM-based mobile applications tailored to your specific needs from sleek design to full backend integration.

What I Offer

  • Custom Linphone App Development (VoIP & SIP integration)
  • eSIM App with mobile data plan activation and API integration
  • Virtual Phone Number App with calling and texting features
  • TextNow Clone App (Voice, SMS, Video, Subscription system)
  • Secure Backend Development (Node.js, Firebase, or custom API)
  • Twilio / Vonage / Linphone SDK Integration
  • User authentication, admin dashboard & subscription management

️ Key Features You Can Get

  • HD voice and video calling
  • Real-time messaging (chat & SMS)
  • Contact sync and call logs
  • Voicemail and call recording
  • Multi-language support
  • Push notifications
  • Subscription or credit system


 Have a unique idea in mind? Send me a message Id love to discuss your project and help bring it to life

  • App type

    • Hybrid

  • Programming language

    • React Native
    • Python
    • Java
    • PHP
    • Kotlin
    • JavaScript
    • Swift

  • Frameworks

    • Flutter
    • Ionic
    • Laravel
    • Angular
    • SwiftUI
    • Node.js
    • React Native

  • Purpose

    • Chat
    • Dating
    • Delivery
    • Streaming
    • Shopping
    • Social networking
    • Entertainment
    • IoT
    • Productivity tools
    • Custom

  • Tools

    • Xamarin
    • Flutterflow
    • Expo
    • Android Studio
    • Xcode
    • Firebase
    • Visual Studio

  • Expertise

    • Cross browser/Device compatibility
    • Localization
    • Performance
    • Design
    • Data storage
    • Firebase

Get to know Zion R

Zion R

Professional Mobile App Developer, Custom Android and IOS Apps

  • FromUnited Kingdom
  • Member sinceOct 2025

  • Languages

    English, German, Spanish, French
Hi! I’m a Professional Mobile App Developer with 7+ Years of Experience I specialize in creating custom Android & iOS cross-platform apps that are fast, reliable, and user-friendly. Whether you need a business app, e-commerce app, or a tracking solution, I can turn your idea into a fully functional, scalable mobile application. What I Offer: 1)Native Android Apps (Java, Kotlin) 2)IOS Apps (Swift) 3)Cross-Platform Apps (Flutter & Dart) 4)Website-to-App Conversion 5)GPS Tracking & Geo-fencing Apps 6)E-Commerce & Business Applications Let’s build your dream app and bring your idea to life!

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