Mobile Development

Our team specializes in developing native apps for iOS and Android platforms, utilizing programming languages such as Flutter, Swift, Objective-C, Java, and Kotlin.

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Full-cycle iOS and Android app development

We offer cost-effective solutions tailored to your specific business domain and budgetary needs. Our services encompass custom development for businesses, MVP development to validate startup ideas and accelerate product launches, as well as dedicated development teams to support and enhance existing products.

We develop fully functional applications compatible with all Apple devices.

We create sophisticated applications specifically designed for Android-powered devices.

Custom mobile apps

We assist startups and businesses in developing mobile solutions that align with their brand identity, cater to market demands, and foster business growth and expansion.

Typically, on-demand taxi apps comprise two distinct in-app roles or apps: the Driver’s app and the Passenger’s app. In addition to essential features, taxi apps necessitate the integration of map APIs (such as Google Maps or MapKit), payment gateways (such as Stripe or PayPal), and in-app calling capabilities (such as Twilio or Bandwidth).

2200 hours

Average development time

6 months

Average project length

In the development of media streaming apps, we prioritize seamless content delivery and collaborate with reliable media processing platforms (such as Livestream or Brightcove). Furthermore, streaming apps necessitate the inclusion of essential components like data storage (such as Cassandra or MySQL), geolocation services (such as Google Maps or MapKit), and more.

2300 hours

Average development time

7 months

Average project length

To meet user expectations, booking apps must be data-driven and packed with features. They require a powerful search engine (such as Elastic Search), flexible push notification capabilities (using services like Amazon SNS or Firebase Cloud Messaging), and seamless integration of payment gateways (such as Stripe or Braintree), among other essential functionalities.

1800 hours

Average development time

4 Months

Average development time

Delivery applications typically comprise two distinct apps: one for customers and another for couriers. Essential features for delivery apps include geolocation services (such as Google Maps or MapKit), email messaging integration (using SendGrid), secure payment processing (via Braintree or Stripe), comprehensive analytics (with tools like Mixpanel), and various other functionalities.

2500 hours

Average development time

7 Months

Average development time

Our engineers specialize in developing diverse fitness applications, ranging from nutrition and personal workout to activity-tracking apps designed for both Android and iOS platforms. Key features of these applications may include seamless integration with native health services (such as HealthKit or GoogleFit), geolocation functionalities (using Google Maps or MapKit), and more.

800 hours

Average development time

4 Months

Average development time

Marketplace apps typically serve as intermediaries between buyers and sellers of goods or services. These solutions require high performance, ensuring lightning-fast operations, and leveraging powerful analytics capabilities enhanced by machine learning technologies (such as Amazon ML).

1500 hours

Average development time

4 Months

Average development time

Easily determine the cost of your software project using our interactive and efficient solution, which enables you to swiftly select the desired functionality.

Cost for the application

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Tech stack for custom mobile apps


It is a versatile general-purpose language, that finds extensive applications in various domains, including Android app development. It offers notable advantages such as portability, scalability, and exceptional performance, making it an ideal choice for building complex enterprise applications that require flexibility and potential for future expansion.

devices run Java
0 B
more performance
0 %


An open-source programming language embraced by Google as a Java alternative for Android app development boasts a concise syntax and seamless compilation to JavaScript or JVM bytecode. Its smooth integration with existing Java frameworks and libraries accelerates the app development process, equipping developers with a broader set of tools to create native Android applications efficiently.

More maintainable functionality
0 %
of all app downloads in Google Play
0 %


Swift, supported by Apple, is a powerful programming language that enables the creation of high-quality and efficient applications for all Apple operating systems. With its focus on safety, simplicity, and consistent performance improvements, Swift is an ideal choice for developing iOS apps of any complexity.

faster than Objective-C
0 x
faster than Python
0 x


Objective-C, an object-oriented programming language, has been a staple in iOS app development for over 30 years. Its longstanding presence and widespread usage demonstrate its reliability, with millions of lines of code written in Objective-C. Moreover, Objective-C offers the advantage of being backward compatible with C and C++, further expanding its capabilities and versatility.

apps built
0 M+
apps built
0 %


Dart provides a unique advantage for mobile app development by allowing developers to write code once and use it for both Android and iOS platforms. This is achieved through the use of the Flutter framework, which is also developed by Google and utilizes Dart as its primary programming language.

apps built on it
0 M
More Efficient
0 %


Firebase, a Backend-as-a-Service platform, liberates developers from the burdens of server management and API development, enabling them to concentrate on crafting exceptional user experiences. As a comprehensive backend solution, Firebase significantly accelerates the process of iOS native app development.

developers use Firebase
0 M+
developers’ efficiency
+ 0 %


It is a lightweight database designed to eliminate the need for server-client architecture by storing app data directly on mobile devices. Leveraging a file-based approach, this database offers developers diverse capabilities. With its serverless nature, SQLite delivers enhanced power and speed, as it eliminates the need for server requests.

top database
0 th
Faster Than The Filesystem
0 %


Realm, a widely-used mobile database, is a go-to choice for iOS app development and Android platforms. It boasts remarkable speed, surpassing SQLite in performance, and offers cross-platform compatibility. With its thread-safe nature and user-friendly API, developers find it a modern and dependable alternative to native Apple databases.

app performance
+ 0 %
apps worldwide


MongoDB, a Backend-as-a-Service platform, alleviates developers from the burdensome tasks of server management and API creation, allowing them to concentrate on crafting a superior user experience. Serving as a comprehensive backend solution, MongoDB significantly accelerates the development process of native iOS apps.

apps built
0 M+
apps built
0 %


Developed by Google, Flutter is an automation tool specifically designed for writing concise and dependable UI tests. Boasting numerous advantages for developers and QA engineers, this framework significantly expedites the development process. It seamlessly integrates with popular IDEs, offers convenient testing annotations and assertions, and proves to be user-friendly.

developers use Firebase
0 M+
developers’ efficiency
+ 0 %


Robolectric, an open-source Android unit test framework, empowers QA specialists to conduct tests for Android apps using the local JVM. This framework facilitates a black-box testing approach, enhancing the efficiency of tests during refactoring while enabling a thorough examination of the app's behavior. With Robolectric, the testing process becomes faster and more streamlined.

Faster testing process
0 %
Higher efficiency
0 %


JUnit, an open-source unit testing framework for Java, offers developers a remarkable opportunity to write and test code simultaneously. This powerful framework enables the creation of comprehensive test suites, allowing thorough tracking of all possible side effects. With its user-friendly graphical interface, JUnit simplifies the entire testing process.

Faster testing
+ 0 %
improved bug detection
0 %


Mockito is a powerful mocking framework designed for efficient unit testing of Java applications. This tool simplifies the creation of mock objects and enables programmers to verify the behavior of the system under test without pre-establishing expectations. The result is cleaner test code that is easier to read and modify.

stars on GitHub
0 K
faster testing process
0 %

Socket.IO is a versatile framework that facilitates real-time data exchange and communication, enhancing the integration of chat and video chat functionality into iOS apps. With its automated processes, simplifies the integration of communication features. flexibility and straightforward customization options enable iOS app development agencies to implement their tasks more efficiently.

websites worldwide
0 K+
faster chat integration
0 %

Questions you might have/FAQs

Explore further details about our workflow for mobile app development.

Cross-platform development refers to the creation of mobile apps that can run on various platforms and devices, utilizing a single code base.

For our cross-platform app development, we rely on Google’s Flutter. By leveraging Flutter, we can expedite the development process for both iOS and Android apps without compromising performance. Moreover, Flutter aids in reducing overall development costs.

With the Time and Material or Fixed Price contract models, we assign an experienced Project Manager to oversee the process, provide regular reports, and gather your valuable feedback.

In the case of the Dedicated Team contract model, the management of the team will be entirely in your hands.


Our mobile app development services encompass the entire development cycle. This includes conducting thorough business analysis, crafting UI/UX design, and developing your mobile app from concept to launch on App Store or Google Play. Additionally, we offer ongoing maintenance and scalable solutions as per your requirements.

Custom app development involves the creation of mobile applications with tailored functionality and user interface/user experience (UI/UX) design. It encompasses developing apps from scratch to meet specific requirements or enhancing the functionality of an existing application.

Programming languages that are used by our development team:

  • Java
  • Kotlin
  • Swift
  • Objective-C


  • Firebase
  • SQLite
  • Realm
  • CoreData


  • Roboelectric
  • RXJava
  • ReactiveCocoa
  • Alamofire
  • Moya, etc.

Our mobile app development services include:

  • Business analysis.

    We carefully gather and assess all project requirements, ensuring comprehensive documentation.

  • UI/UX design.

    We create wireframes, meticulously design each app screen, and develop interactive prototypes.

  • Development.

    Our skilled team builds custom Android and/or iOS apps using platform-specific programming languages such as Swift, Objective-C, Java, and Kotlin.

  • Release.

    We oversee the seamless publication of apps on the App Store and  Google Play.

  • Maintenance.

    Upon request, we provide ongoing support and further enhancements for existing products.

Why Us


Our cutting-edge technology and software solutions enable you to streamline processes, enhance productivity, and stay ahead of the competition.


We foster a culture of innovation, constantly seeking new ideas and approaches to drive your business forward and seize new opportunities.


We are pioneers in the agile process approach, we place a strong emphasis on flexibility, collaboration, and iterative development.


We set ourselves apart through our dedication to excellence. Our goal is to surpass your expectations in all aspects of our service.


AssortTech is committed to helping you achieve your goals by providing comprehensive strategies and support to convert your idea into an incredible product.


Choosing AssortTech, you can access valuable insights and strategic guidance that align your business with emerging trends. This knowledge equips you to make informed decisions.

Why AssortTech

We have greatest impact you hire us.

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