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06Mobile App Development

Native and cross-platform apps with polished, reliable experiences.

Overview

In a mobile-first world, your app is your most direct channel to customers. ErrorX builds for both iOS and Android — natively with Swift and Kotlin, or cross-platform with Flutter and React Native.

Our team brings a decade of experience in custom mobile app development, with 5+ years average experience per developer.

Technologies We Use

Swift Kotlin Flutter React Native Java Python Objective-C Dart

What We Deliver

  • Custom Mobile App Development — A decade of experience building custom apps from consumer-facing social platforms to enterprise tools.
  • Native App Development — Full-cycle native iOS (Swift) and Android (Kotlin, Java) development.
  • Hybrid & Cross-Platform Apps — Flutter or React Native apps that work flawlessly on both iOS and Android from a single codebase.
  • App Technology Consulting — Technology stack selection, feasibility analysis, and architecture design.
  • App Integration — Payment gateway integration, API integration, push notifications, and analytics SDKs.
  • QA and Testing Services — Comprehensive quality assurance including functional, performance, and security testing.
  • Upgradation & Migration — Migrating legacy apps to modern frameworks and upgrading to latest SDK versions.
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