90% of businesses have their own mobile apps today.

To establish, customize, and deploy operational applications for all leading mobile operating systems, share your requirements with our proficient developers and get it delivered in days.

As a top mobile app design agency in Bangladesh, Dcastalia delivers complete services including extensive business research and analysis, human-centered design (HCD), updated user interface (UI) and user experience (UX) design, and deployment of the application.

We employ the latest technologies, rational algorithms, and proven methods to convey value-added services and meet clients’ expectations.

Being the best app development company in Bangladesh, we will guide you from beginning to end, even after the deployment. 


Years of Experience


Clients Worldwide


Completed Projects

Case studies

Building optimized and value driven products

Pickaboo, the pioneering e-commerce platform in Bangladesh, collaborated with us to elevate their digital presence.


Pickaboo Android & iOS Apps

  • Software Development
  • Ecommerce Development
  • UX/UI Design
  • Technical Support

We revamped Lube Solutions' E-Commerce app to make it more user-friendly and efficient.


Lube Solutions Mobile Apps

  • Mobile App
  • UX/UI Design
  • Technical Support

We partnered with the United Nations Development Programme (UNDP) on their initiative to combat domestic and gender-based...



  • Mobile App
  • Technical Support

Duronto Television is a Bangladesh-based satellite television channel that is one of its kind. They specialize in...


Duronto Quiz Mobile App

  • UX/UI Design
  • Mobile App
  • Custom Software Development

Hadith is an integral part of Islamic education. Bangla Hadith is a platform whose main objective was to deliver authentic...


Bangla Hadith Mobile App

  • UX/UI Design
  • Mobile App
  • Technical Support

Foodpeon is Bangladesh’s #1 on-demand homemade food ordering and delivery service. It’s an online platform where you...



  • UX/UI Design
  • Mobile App
  • Technical Support

Our clients

Our reputation branches across different industries and far beyond the borders

Why Tech Managers build their mobile application with us

Deep technical knowledge

Experienced in design, estimation, implementation, debugging, testing, and deployment.

Strategies in place

When the team is experienced, it enhances security of any project.

Sincerity and transparency

Making clients front and center throughout the whole project by involving them in each phase.

Big-picture focus

Planning ahead and understanding the right strategy is important to proceed in the right direction.

Play store and App-store experts

Developing applications for long-term scalability, powerful performance, and sustainability.

Learner mentality

Passion to learn the latest capabilities and technological growth ensures innovative delivery.


Hire a dedicated mobile application development team or let us build your product from scratch.

Book Free Consultation

Mobile Application Development With Lasting Impacts

Mobile applications can play an important role in delivering technology solutions, but these must be simple, efficient, and intelligent. Allow us to collaborate with you to create your ideal mobile application solution.



With the increasing number of mobile and tab users, android app development has become a base for businesses in engaging more consumers, enhancing sales, strengthening the brand image, and establishing a satisfied customer base.

Dcastalia's complete android application development services start with a series of comprehensive research considering the business obligations, design trends, user experience, and app functionality.



There are more than 900 million iPhones active across the globe at this moment. However, you must develop iOS applications not only for this huge number of iPhone users but also for the other offerings of Apple’s devices.

To create a mobile app with an interactive user experience (UX), our qualified iOS developers offer you custom apps with modern technologies which work seamlessly on iOS platforms along with the latest iOS versions and devices.

Cross Platform

Cross Platform

Cross-platform apps are highly beneficial to uplift business reach to the customers with only one app that can operate on several operating systems in lieu of building various app editions for each platform.

Hence, Dcastalia’s group of professionals develops cross-platform applications with technologies including React Native, Xamarin, Flutter, PhoneGap, to reach diverse users operating different OS (Operating System) devices.

How our development process differs from the rest

With us, you are guaranteed to work with some of the expert web and mobile app developers in Bangladesh who have experienced the use of modern technologies and innovative application development processes.

Being the leading app design agency in Bangladesh, we understand your industry, communicate your language, and champion your cause to create a mobile application that actually serves your needs.

This is how we do it.

  • Conceptualization - Firstly, we discuss with our clients and try to know more about their business process to understand and create a strategy for evolving their ideas into a successful app.

  • Delegation - After talking to our client, identify the project goals, and it gets distributed to each member of the team whether it is the designing phase, development phase, or functionality with robust teamwork of testing, security, or other team members.

  • Designing - In this phase, the designers start designing innovative UI / UX to make the app interactive, intuitive, and user-friendly.

  • Developing - Once the design is ready, the development team fully focuses on the system and implements the functionalities of three integral parts: back-end/server technology, API(s), and the mobile app front-end.

  • Testing - To perform a thorough quality assurance testing, the app should undergo several testing methods including User Experience Testing, Performance Testing, Security Testing, and Device and Platform Testing.

  • Deployment and Support - To deploy, the app must be submitted to the app stores, Apple App Store for iOS apps, and Google Play for Android apps.



Mobile applications function as a direct pipeline between businesses and their customers by offering the best and smooth communication speed possible.

Customers get constant notifications on their devices and if they find it relevant, they can easily get attached through the app instead of searching for it on other platforms.

Increase Brand

Apps account for 89% of mobile media time, hence, you can leverage this platform to strengthen your brand awareness by using the right brand elements.

Designing an appealing and informative mobile app will keep your customers coming back to your brand frequently which eventually enhances brand recognition.


An interactive mobile app helps brands to boost their accessibility over their customers. They can send notifications anytime about any offers directly to their customers.

Conversely, customers can log in with only their contact information to access the products or services through a dedicated mobile app from their devices.

Cultivate Customer

Mobile apps have the power to generate a loyal customer base by creating a reliable and sincere connection with users by engaging them with less effort.

The more convenient, seamless, and satisfying your app functions, the higher the customer satisfaction rate and eventually the higher the success rate is for your product and service.

Provide Unique

A dedicated mobile app provides multiple benefits. Customers get updated news through direct notifications and keep track by click-to-call and click-for-direction buttons.

Businesses can track useful data of users, their demographics such as age, gender, device type, etc, downloads and uninstalls, retention rates, and many more.

Easy Customers'

Mobile apps ensure higher feedback rates in lower maintenance costs, and so, this has become easier for brands to conduct surveys or get a rating from users.

The ‘Rate my app’ option does not only convey the user’s satisfaction information but also helps the brands improve their offerings as per market demand.

Check out our 30+ reviews

What our clients say about us.


they created a successful app

Within the first 3 months of launching the app on the Play Store, our app was downloaded 5000 times. Also, they were quite impressive with their knowledge of the App and website market and with their insights into food delivery companies. Dcastalia was smart enough to lead us to choose the right decision to increase our app downloads.

Mahdy Hasan

Founder & CEO, Food Peon Limited

Asked Questions

What types of apps do you develop?

We develop apps for both Web and Mobile platforms.

Is it necessary for me to test my app?

We have an in-house testing team that will work with the developers to validate the device. Your feedback is very important to ensure the best quality for the app.

What if I need assistance on the app after it is launched?

We provide help with maintaining the app even after it is launched to help you to be on board and take control, and this is what makes us the leading app design agency in Bangladesh. 

Will I own the source code?

Yes. After the development process is complete, we will provide you with the source code if you need it.

What does it cost to develop an app?

The cost will depend on the technical requirements and specifications, the technology to be used etc. However, it can also be customized according to your budget.

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