Which framework is best for mobile app development in Bangladesh?

Flutter and React Native are the most cost-effective and high-performance frameworks for launching on both iOS and Android from a single codebase, fully compatible with local payment gateways like bKash, Nagad, and SSLCommerz.

Do you publish apps to the Google Play Store and Apple App Store?

Yes, our team handles complete store submission, guideline compliance, asset preparation, and post-launch maintenance.

iOS & Android Engineering · Dhaka, BD

Custom Mobile App Development Company in Bangladesh

We engineer high-performance Flutter and native mobile applications with offline SQLite sync, push notifications, and local bKash/Nagad payment SDK integration.

Mobile App Development in Bangladesh by Octosync Software Ltd

Architecture

Flutter 3.x + Native Bridge

Native-Grade Mobile Engineering

Zero-Lag Mobile Apps with Offline-First Architecture

Mobile connectivity in Bangladesh varies between fast urban LTE and intermittent rural 2G/3G connections. We build apps that never block the user interface, synchronizing local SQLite databases in the background whenever network is restored.

Every app includes deep hardware integration, biometric authentication (Fingerprint / FaceID), push notification services via Firebase Cloud Messaging, and direct bKash/Nagad PGW checkout flows.

Graphics Pipeline

60 FPS Fluid Animations

Hardware-accelerated Skia rendering engine delivering instant touch responsiveness.

Data Resilience

Offline SQLite Sync

Work without internet. Data syncs idempotently when connectivity is re-established.

Checkout SDK

Direct MFS Payment SDK

Native in-app bKash, Nagad, and Rocket checkout workflows without redirect loops.

Observability

OTA App Updates & Crashlytics

Real-time crash tracking, remote config flags, and instant bug fixes with Shorebird OTA.

Engineering Specs

Cross-Platform Core

Flutter 3.24+ / Dart 3, single codebase for iOS & Android.

State Architecture

BLoC / Riverpod pattern with strict dependency injection.

Local Storage

Encrypted SQLite / Hive DB with AES-256 cipher keys.

Store Publishing

Full App Store & Google Play compliance, metadata, and review management.

Have an app wireframe or feature brief ready to scope?

Request App Scope & Cost

Mobile Stack

Supported Platforms & Frameworks

Production-grade mobile technologies

Flutter

Cross-Platform Framework

Dart

Typed App Engine

Swift / iOS

Native Apple Platform

Kotlin / Android

Native Google Platform

Firebase / FCM

Cloud Push & Auth

SQLite / Hive

Encrypted Local DB

Riverpod / BLoC

Reactive State Pattern

Fastlane

Automated App Releases

bKash / Nagad

Native PGW Gateways

REST / GraphQL

Backend API Connectors

Google Maps SDK

Live Location Tracking

Shorebird

Over-The-Air Code Push

Planning an iOS or Android application?

Discuss your product roadmap, user journeys, and infrastructure with our mobile engineers in Dhaka.

Book Technical Call +8801621833839