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Mobile App Development

Android, iOS & Cross-Platform

Build high-performance mobile apps tailored to your business goals. From Android and iOS to cross-platform .NET MAUI development — we deliver scalable, user-friendly apps that drive engagement and growth.

ASTGD Raba App
Raba App Dashboard
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Android App Development

We help in custom Android app development by using tools like Kotlin, Java, and Dart.

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.NET MAUI App Development

The power of .NET MAUI to craft rich, native user experiences for every screen your users care about.

ASTGD Hajj Guide App Dashboard
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iOS App Development

Our high-quality mobile apps use Swift and Objective-C for their iOS app development.

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Web App Development

Our web app development services that run directly in your browser; no downloads are needed.

Empowering Your App Journey with Trusted Expertise

We build custom apps and provide ongoing support you can rely on.

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19+

Years of Excellence

4.8/5

Rating out of 5

24/7

Live Technical Support

10K+

App Download

99.9%

Uptime Guarantee

Android App Development

Reach billions of Android users with powerful, scalable apps

We offer a complete range of Android app development services — from designing and building your app to testing, quality assurance, and ongoing support. Everything you need to bring your idea to life.

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app

Native Android Development

We build fast, reliable Android apps using Kotlin and Java. Enjoy smooth performance and full compatibility across all Android devices.

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Consistent UI/UX Design

We design clean, user-friendly interfaces that ensure a smooth and consistent experience across all Android phones and tablets.

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App Store Deployment

We handle Google Play Store setup, submission, and updates to ensure your app stays live, optimized, and compliant with Google’s policies.

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Maintenance & Support

We’re here to help with post-launch bug fixes, feature enhancements, and ongoing technical support whenever you need it.

Cross-platform App Development

Build one app, run it everywhere — Android, iOS, Windows, and macOS.
Leverage our expertise in .NET MAUI (Multi-platform App UI) to create cross-platform applications with a single codebase. It's ideal for businesses wanting to reduce development time and cost while maintaining a native-like experience across all platforms.
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.NET MAUI Icon
Custom UI/UX

Why Choose .NET MAUI?

  • One project, multiple platforms (iOS, Android, Windows, macOS)
  • Unified UI/UX across devices
  • Deep integration with Microsoft ecosystem
  • Faster time to market with shared code
App Development

Ongoing Support & Maintenance

We offer post-launch support, updates, and maintenance to keep your .NET MAUI app fast and reliable.

IOS App Development

Craft sleek, responsive, and high-performing iOS apps for Apple users

We specialize in developing robust iPhone and iPad apps using Swift and Objective-C that align with Apple's latest design and performance standards. From ideation to App Store deployment, we ensure seamless user experience and security.

What You Get:
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Native iOS app development in Swift
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Smooth navigation with intuitive UX
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App Store compliance and deployment
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Scalable codebase with future upgrade support
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IOS App Development

How To Get Started - 4 Simple Steps

We combine speed, quality, and reliability to deliver custom software that scales with your vision

1
Idea

Idea & Planning

We listen to your app idea and create a strategy tailored to your goals and users.

2
Design

UI/UX Design

We design clean, intuitive interfaces to ensure a smooth user experience and strong branding.

3
Development

App Development

Our developers turn design into a functional, scalable, and secure application across all platforms.

4
Launch

Launch & Support

We deploy your app, publish it to stores, and offer continuous support for updates and improvements.

Ready to Turn Your App Idea into Reality?

Let our expert team design, develop, and launch your app — the right way, from idea to App Store.

Features that keep you connected always

App Features

UI/UX Design

Beautiful and intuitive user interface tailored for better user engagement.

High Performance

Optimized code and assets for blazing fast load time and performance.

Secure System

Built-in encryption, secure API endpoints and user data protection.

Push Notification

Get real-time alerts and updates right on your mobile device.

Cloud Sync

All your data synced in real-time across all your devices instantly.

24/7 Support

Always-on customer support team to assist you whenever needed.

Our Recent Projects

Explore a few mobile apps we’ve designed and developed for clients across various industries and needs

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Bar Association Management App

Empowering Legal Excellence

Directly call Advocates from detail view. Fixed downloads and notice bindings.

Member List
News & Files
EC & Staff
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Bar association Raba

Hajj Guide In Bangla

Your complete Hajj companion, now in Bangla.

Learn every step of Hajj easily, with clear instructions, duas, and maps — all in your language.

Step-by-Step Guide
Essential Duas
Offline Maps
Download App →
Hajj-guide app

BMC Mentorship Management

Centralized Student Mentorship System.

A lightweight platform that enables mentors to track progress, maintain records, and support academic growth efficiently.

Tracking
Records
Insights
Download App →
BMC Mentorship Management

Have a project in mind? Let’s get to work

Tailored apps that match your unique needs

Need something special? We build your app just the way you want — add features, change content, or redesign the look to match your needs.

Custom Features
Flexible Design
Your Branding
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customized plan
ASTGD App Development

Create Your Own Custom App With ASTGD  

From idea to reality, we help you build a powerful mobile experience that fits your goals.No coding skills required—just your vision.

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FAQ

Frequently Asked Questions

What is "Custom App Development"  and how is it different from off-the-shelf apps?

Custom app development means designing and building a mobile or web app around your exact workflow, features, and brand—rather than forcing your business to fit a generic template. It gives you scalable architecture, a tailored UI/UX, and full control over integrations, compliance, and future roadmap.

Which platforms do you develop for (Android, iOS, web, cross-platform)?

We build native Android (Kotlin/Java), native iOS (Swift/Objective-C), cross-platform with .NET MAUI (single codebase for Android, iOS, Windows, macOS), and modern web apps that run in the browser.

 Native vs cross-platform (.NET MAUI): which should I choose?

If you need the absolute best device-level performance or platform-specific features, native can be ideal. If speed-to-market and shared code matter more, .NET MAUI delivers a near-native experience across platforms with faster development and unified UI/UX. We’ll recommend the best approach after scoping.

What does your end-to-end app development process look like?

Our 4 steps:

  1. Idea & Planning
  2. UI/UX Design
  3. App Development
  4. Launch & Support
We handle everything from strategy and design to development, app store submission, and ongoing improvements.

Do you help with Google Play and Apple App Store deployment?

Yes. We prepare store assets, handle submissions, policy compliance, and version updates so your app goes live smoothly and stays compliant.

Do you provide ongoing maintenance and 24/7 support after launch?

Absolutely. We offer post-launch bug fixes, enhancements, security updates, monitoring, and 24/7 technical support to keep your app fast and reliable.

Which app features can you build (notifications, cloud sync, integrations)?

Common requests include push notifications, cloud sync across devices, secure authentication, analytics, and third-party API integrations (payments, maps, messaging, etc.). We’ll tailor features to your use case.

How do you ensure performance, security, and scalability?

We optimize code and assets for speed, use encrypted communication and secure APIs, follow platform security best practices, and design scalable architectures that grow with your user base.

What industries do you serve?

We’ve delivered apps in legal, health/medical, and education, among others—for example, a Bar Association management app and a Hajj guide app. We’ll adapt the workflow and UI/UX to your sector.

Can you redesign, migrate, or rescue an existing app?

Yes. We frequently take over existing codebases to improve performance, refactor UX, add features, or migrate to .NET MAUI/native stacks—while keeping downtime minimal.

How much does custom app development cost?

Cost depends on scope (features, platforms, integrations), complexity, and timeline. After a brief discovery call, we’ll provide a transparent estimate with phased milestones. (Tip: a lean MVP first can reduce risk and time-to-value.)

How long does it take to build a custom app?

Small MVPs may take 6–10 weeks; larger, multi-platform builds take longer. We share a detailed roadmap at kickoff with sprint timelines and clear deliverables.

Who owns the code and IP? Do you sign NDAs?

Your business owns the app, code, and IP as defined in the contract. We’re happy to sign NDAs and follow your security/compliance requirements.

Do you also offer UI/UX design and branding?

Yes—our design team creates intuitive, consistent interfaces (and can align with your brand guidelines) to boost adoption, retention, and conversion.

Where are you based, and do you work with global clients?

We serve clients globally with presence in the USA and Bangladesh, and collaborate online across time zones.

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